nsdl/harvestsmete/cstc-122.xml - view

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SMETE side harvest code for LON-CAPA

<?xml version="1.0" encoding="UTF-8"?> <ListRecords xmlns="http://www.openarchives.org/OAI/1.1/OAI_ListRecords" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/1.1/OAI_ListRecords http://www.openarchives.org/OAI/1.1/OAI_ListRecords.xsd"> <responseDate>2002-05-06T18:38:07-05:00</responseDate> <requestURL>http://www.cstc.org:80/cgi-bin/OAI/CSTC.pl?verb=ListRecords&metadataPrefix=ims1_2_1</requestURL> <record> <header> <identifier>oai:CSTC:60</identifier> <datestamp>1999-06-20</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Number System Conversion Tool</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">60</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> This tool uses JavaScript to implement a number system conversion tool that can be used to teach the concepts of different number systems as part of an introductory math or computer science course. Users can convert numbers from decimal to another base, and from other bases to decimal, and the conversion process is explained. There is also a quiz feature which allows students to test their ability to convert numbers on their own.</langstring></description> <keyword> <langstring xml:lang="en"> number system </langstring> </keyword> <keyword> <langstring xml:lang="en"> binary </langstring> </keyword> <keyword> <langstring xml:lang="en"> decimal </langstring> </keyword> <keyword> <langstring xml:lang="en"> hexadecimal </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Chaya Gurwitz N:Gurwitz;Chaya EMAIL;INTERNET:gurwitz@sci.brooklyn.cuny.edu END:vCard </vcard> </centity> <date> <datetime>1999-06-20</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Chaya Gurwitz N:Gurwitz;Chaya EMAIL;INTERNET:gurwitz@sci.brooklyn.cuny.edu ORG:Brooklyn College;Computer and Information Science END:vCard </vcard> </centity> <date> <datetime>1999-06-20</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=60 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">HTML Browser</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Numerical and Symbolic Computation</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">General Literature</langstring></entry> <taxon> <entry><langstring xml:lang="en">General</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Hardware</langstring></entry> <taxon> <entry><langstring xml:lang="en">General</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:4</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">HSU CIS 492 - Project for a Senior-level Team Database Programming Course (a CIS senior capstone course)</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">4</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> This is a senior project for a senior-level Computer Information Systems capstone course. It is a team project, writing a large database project using Oracle.</langstring></description> <keyword> <langstring xml:lang="en"> team programming project </langstring> </keyword> <keyword> <langstring xml:lang="en"> database programming project </langstring> </keyword> <keyword> <langstring xml:lang="en"> software engineering </langstring> </keyword> <keyword> <langstring xml:lang="en"> senior capstone course project </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Sharon Tuttle N:Tuttle;Sharon EMAIL;INTERNET:st10@axe.humboldt.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Sharon Tuttle N:Tuttle;Sharon EMAIL;INTERNET:st10@axe.humboldt.edu ORG:Humboldt State University;Computing Science END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=4 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Database and Information Retrieval</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Software Methodology and Engineering</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Software Engineering</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Miscellaneous</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Information Systems</langstring></entry> <taxon> <entry><langstring xml:lang="en">Miscellaneous</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:158</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Reusability and adaptability of interactive resources in web-based educational</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">158</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> The production of interactive multimedia content is in most cases an expensive task in terms of time and cost. Hence, optimizing production by exploiting the reusability of interactive multimedia elements is mandatory. Reusability can be triggered by a combination of resuable multimedia components and the appropriate use of metadata to control the components as well as their combination. In this article, we discuss the reusability aspects of interactive multimedia content in web-based learning systems. In contrast to existing approaches, we extend a component-based architecture to build interactive multimedia visualization units with the use of metadata for reusability and customizability. In the three-tier model, the lowest layer of the paradigm corresponds to the programmer (code reusability). The user interface of an educational visualization is located at the top layer where the interaction with the end-user (student) takes place. The educator is located between the top and the bottom layers. This medium layer allows adapting interactive multimedia content according to the needs of the user, applying a predefined set of metadata. The teacher can both adjust the level of explanation and the level of interactivity of an animation, and influence the presentation and the results of the algorithms being illustrated (program reusability). After a theoretical overview, we explain our architecture by giving an example of an application.</langstring></description> <keyword> <langstring xml:lang="en"> Design </langstring> </keyword> <keyword> <langstring xml:lang="en"> Theory </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Abdulmotaleb El Saddik N:El Saddik;Abdulmotaleb EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Stephan Fischer N:Fischer;Stephan EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Ralf Steinmetz N:Steinmetz;Ralf EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Hussein Suleman N:Suleman;Hussein EMAIL;INTERNET:hussein@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=158 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Software Methodology and Engineering</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Information Systems</langstring></entry> <taxon> <entry><langstring xml:lang="en">Information Interfaces and Presentation</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Milieux</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computers and Education</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:103</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Turing Machine Applet</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">103</langstring></entry> </catalogentry> <description><langstring xml:lang="en"> The following Java applet animates a Turing Machine that can add or multiply numbers. The animation shows the flow of events in the calculation (the writing and reading of symbols on an endless tape) and the decision rules used to process each step in the calculation.</langstring></description> <keyword> <langstring xml:lang="en"> turing </langstring> </keyword> <keyword> <langstring xml:lang="en"> machine </langstring> </keyword> <keyword> <langstring xml:lang="en"> addition </langstring> </keyword> <keyword> <langstring xml:lang="en"> multiplication </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Alan Sommerer N:Sommerer;Alan EMAIL;INTERNET:forrest@warthman.com END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Forrest Warthman N:Warthman;Forrest EMAIL;INTERNET:forrest@warthman.com END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Vikram Narula N:Narula;Vikram EMAIL;INTERNET:vnarula@vt.edu ORG:Virginia Tech;CS END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=103 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <copyrightandotherrestrictions> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">yes</langstring></value> </copyrightandotherrestrictions> <description><langstring xml:lang="en">Copyright © 1996-2001 Warthman Associates. All rights reserved.</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Numerical and Symbolic Computation</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Theory of Computation</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computation by Abstract Devices</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:52</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Sparse Matrix - A Case Study in Layered Abstraction</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">52</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> In the described laboratory assignment, the mechanism of the sparse matrix is an array (row index) of linked lists storing only the nonzero values within a row, together with the column index of the saved element. The educational goals of the described lab are to (1) gain appreciation of, and experience with, a layered approach to the implementation of a relatively complex structure; (2) stress the distinction and separation between the public interface (as seen by the client, or user of a class) and the implementation; and (3) stress the importance of designing a clear, complete, and intuitive public interface to a class.</langstring></description> <keyword> <langstring xml:lang="en"> data structures </langstring> </keyword> <keyword> <langstring xml:lang="en"> abstraction </langstring> </keyword> <keyword> <langstring xml:lang="en"> sparse matrix </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Thomas Hain N:Hain;Thomas EMAIL;INTERNET:HAIN@go.cis.usouthal.edu END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Thomas Hain N:Hain;Thomas EMAIL;INTERNET:HAIN@go.cis.usouthal.edu ORG:University of South Alabama;School of Computer & Info Sciences END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=52 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring 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All rights reserved.</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Numerical and Symbolic Computation</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computer Systems Organization</langstring></entry> <taxon> <entry><langstring xml:lang="en">Performance of Systems</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:47</identifier> <datestamp>1999-05-13</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Applets for teaching computer graphics concepts</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">47</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> These java applets allow students to explore bezier curves, 2D transformation operations, ligting models, and 3D viewing operations.</langstring></description> <keyword> <langstring xml:lang="en"> bezier curves </langstring> </keyword> <keyword> <langstring xml:lang="en"> transformations </langstring> </keyword> <keyword> <langstring xml:lang="en"> lighting model </langstring> </keyword> <keyword> <langstring xml:lang="en"> computer graphics </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Patrick Min N:Min;Patrick EMAIL;INTERNET:min@princeton.edu END:vCard </vcard> </centity> <date> <datetime>1999-05-13</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Patrick Min N:Min;Patrick EMAIL;INTERNET:min@princeton.edu ORG:Princeton University; 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Students run the program, collect results, graph the results, and answer questions about the algorithms. The two algorithms used are FCFS and SSTF.</langstring></description> <keyword> <langstring xml:lang="en"> disk scheduling </langstring> </keyword> <keyword> <langstring xml:lang="en"> operating systems </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Daniel Joyce N:Joyce;Daniel EMAIL;INTERNET:joyce@vill.edu END:vCard </vcard> </centity> <date> <datetime>1999-05-12</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Daniel Joyce N:Joyce;Daniel EMAIL;INTERNET:joyce@vill.edu ORG:Villinova University; END:vCard </vcard> </centity> <date> <datetime>1999-05-12</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=46 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Programming Language</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Pascal</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Algorithms and Data Structures</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Hardware</langstring></entry> <taxon> <entry><langstring xml:lang="en">Control Structures and Microprogramming</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:72</identifier> <datestamp>1999-09-22</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">JFLAP</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">72</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> JFLAP is a package of graphical tools which can be used as an aid in learning the basic concepts of Formal Languages and Automata Theory. The 3.1 version of JFLAP is written in Java using JDK 1.2 and JDK 1.1.5 and contains several new features and bug fixes. Using JFLAP, one should be able to design and simulate several variations of finite automata (FA), pushdown automata (PDA), one-tape Turing machines (TM) and two-tape Turing machines (TTM). The user draws the transition diagram of the desired automaton and, once the picture is complete, the user enters an input string and then "runs" the automaton, being able to view all the generated configurations. 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All rights reserved.</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Architecture Methods</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computer Systems Organization</langstring></entry> <taxon> <entry><langstring 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<catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">94</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> This applet belongs to the context of Multimedia or Signal Procesing. It simulates the one dimensional discrete cosine transform and the one dimensional discrete Fourier transform. Both transforms are a basis for modern signal processing algorithms like the JPEG image compression standard. When confronted with the mathematical formulas, most students show difficulties in understanding the notion of "time domain" and "frequency domain", or of "superposition of different frequencies". The applet simulates the transformation of a 1 dimensional signal. The amplitudes of the different frequency components can be modified, and the effect on the signal will get clearer. The user interface of the applet has been built to stimulate the user to play around with the tool. The applet is highly interactive and very flexible. One can choose between a number of given input signals or the user can build a signal by himself. Of course, a solution for every input is provided.</langstring></description> <keyword> <langstring xml:lang="en"> Applet </langstring> </keyword> <keyword> <langstring xml:lang="en"> Simulation </langstring> </keyword> <keyword> <langstring xml:lang="en"> 1-D DCT </langstring> </keyword> <keyword> <langstring xml:lang="en"> 1-D DFT </langstring> </keyword> <keyword> <langstring xml:lang="en"> Transform </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Claudia Schremmer N:Schremmer;Claudia EMAIL;INTERNET:schremmer@informatik.uni-mannheim.de END:vCard </vcard> </centity> <date> <datetime>2000-09-26</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Christoph Kuhmuench N:Kuhmuench;Christoph EMAIL;INTERNET:kuhmuench@informatik.uni-mannheim.de END:vCard </vcard> </centity> <date> <datetime>2000-09-26</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Holger Wons N:Wons;Holger EMAIL;INTERNET:holger.wons@gmx.de END:vCard </vcard> </centity> <date> <datetime>2000-09-26</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Claudia Schremmer N:Schremmer;Claudia 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xml:lang="en">89</langstring></entry> </catalogentry> <language>Spanish</language> <language>German</language> <language>English</language> <description><langstring xml:lang="en"> Interactive visualization of the JPEG compression algorithm.</langstring></description> <keyword> <langstring xml:lang="en"> Interactive </langstring> </keyword> <keyword> <langstring xml:lang="en"> visualization </langstring> </keyword> <keyword> <langstring xml:lang="en"> JPEG </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Abdulmotaleb El Saddik N:El Saddik;Abdulmotaleb EMAIL;INTERNET:abed@multibook.de END:vCard </vcard> </centity> <date> <datetime>2000-06-12</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Abdulmotaleb El Saddik N:El Saddik;Abdulmotaleb EMAIL;INTERNET:elsaddik@site.uottawa.ca ORG:University of Ottawa;SITE END:vCard </vcard> </centity> <date> <datetime>2000-06-12</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=89 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Java Virtual Machine, HTML Browser</langstring></value> </name> </requirement> 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<title><langstring xml:lang="en">Interactive Execution of Distributed Algorithms</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">98</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> DAJ is a framework for writing Java programs to implement distributed algorithms. The programs display the data structures at each node and enable the user to interactively construct scenarios. Active interactive execution is preferable in a learning situation to passively watching an animation. Programs have been implemented for commonly taught algorithms, including the Byzantine generals, mutual exclusion, termination and snapshots. Adding a program for another algorithm requires only general Java programming experience as the GUI aspects are encapsulated.</langstring></description> <keyword> <langstring xml:lang="en"> Distributed algorithms </langstring> </keyword> <keyword> <langstring xml:lang="en"> Byzantine generals </langstring> </keyword> <keyword> <langstring xml:lang="en"> mutual exclusion </langstring> </keyword> <keyword> <langstring xml:lang="en"> Java </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Mordechai Ben-Ari N:Ben-Ari;Mordechai EMAIL;INTERNET:ntbenari@wis.weizmann.ac.il END:vCard </vcard> </centity> <date> <datetime>2002-02-15</datetime> </date> 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</catalogentry> <language>English</language> <description><langstring xml:lang="en"> This is the talk I gave at SIGCSE 2001 in Charlotte.</langstring></description> <keyword> <langstring xml:lang="en"> SIGCSE luncheon talk </langstring> </keyword> <keyword> <langstring xml:lang="en"> Generations </langstring> </keyword> <keyword> <langstring xml:lang="en"> CSE resources </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Lillian Cassel N:Cassel;Lillian EMAIL;INTERNET:cassel@acm.org END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring 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Also, most of the Internet compressions standards for video (Motion JPEG, H.261, H.263) are based on the Discrete Cosine Transform (DCT) which splits an image up into blocks of 8x8 pixels. Our applet tries to clear out the problems with the 2 dimensional DCT by invoking the "play instinct" of students: The user can chose discrete 8x8 (2-D) input values in the range 0 to 255 for the grey value of the pixels. In the frequency domain, rulers allow to adjust the amplitudes of the different frequencies. A backward transform plots the resulting grey values from the chosen ampitudes over the initial input values. The task is to find the "correct" amplitudes in the frequency domain to recover the initial signal. Of course, we have included a solution to the problem...</langstring></description> <keyword> <langstring xml:lang="en"> simulation </langstring> </keyword> <keyword> <langstring xml:lang="en"> signal processing </langstring> </keyword> <keyword> <langstring xml:lang="en"> 2-dimensional DCT </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Holger Wons N:Wons;Holger EMAIL;INTERNET:holger.wons@gmx.de END:vCard </vcard> </centity> <date> <datetime>2001-10-29</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> 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Evaluator</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">109</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> Builds and evaluates binary expression trees</langstring></description> <keyword> <langstring xml:lang="en"> expression tree </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Michael Goodrich N:Goodrich;Michael EMAIL;INTERNET:: goodrich@jhu.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring 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</langstring> </keyword> <keyword> <langstring xml:lang="en"> binary </langstring> </keyword> <keyword> <langstring xml:lang="en"> genetic </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Craig Beattie N:Beattie;Craig EMAIL;INTERNET:coneman@mindless.com END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Vikram Narula N:Narula;Vikram EMAIL;INTERNET:vnarula@vt.edu ORG:Virginia Tech;CS 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<taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Data</langstring></entry> <taxon> <entry><langstring xml:lang="en">Data Structures</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:115</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Travelling Salesman Problem solver</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">115</langstring></entry> </catalogentry> <description><langstring xml:lang="en"> The travelling salesman problem is the problem of how to visit a number of towns and travel the shortest possible distance. This particular solution is based on an evolutionary approach using a genetic algorithm. Much of it is customizable.</langstring></description> <keyword> <langstring xml:lang="en"> genetic </langstring> </keyword> <keyword> <langstring xml:lang="en"> algorithm </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Craig Beattie N:Beattie;Craig EMAIL;INTERNET:coneman@mindless.com END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Vikram Narula N:Narula;Vikram EMAIL;INTERNET:vnarula@vt.edu ORG:Virginia Tech;CS END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=115 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Algorithms and Data Structures</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Miscellaneous</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:116</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Interactive Binary Tree</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">116</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> Animates a binary tree. Insertion, search and deletion are shown.</langstring></description> <keyword> <langstring xml:lang="en"> binary tree </langstring> </keyword> <keyword> <langstring xml:lang="en"> visualization </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Michael Goodrich N:Goodrich;Michael EMAIL;INTERNET:goodrich@cs.jhu.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Roberto Tamassia N:Tamassia;Roberto 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for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Data</langstring></entry> <taxon> <entry><langstring xml:lang="en">Data Structures</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:117</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">XFS Demo (RW1-1)</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">117</langstring></entry> </catalogentry> <description><langstring xml:lang="en"> Demo of key features of the xFS distributed file system.</langstring></description> <keyword> <langstring xml:lang="en"> file </langstring> </keyword> <keyword> <langstring xml:lang="en"> system </langstring> </keyword> <keyword> <langstring xml:lang="en"> network </langstring> </keyword> <keyword> <langstring xml:lang="en"> distributed </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Randy Wang N:Wang;Randy EMAIL;INTERNET:rywang@cs.berkeley.edu END:vCard </vcard> 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</intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Software Methodology and Engineering</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> 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Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Algorithms and Data Structures</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Data</langstring></entry> <taxon> <entry><langstring xml:lang="en">Data Structures</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:119</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Neural Networks with Java (JF1-1)</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">119</langstring></entry> </catalogentry> <description><langstring xml:lang="en"> This applet demonstrates a Kohonen Feature Map neural net in three-dimensional space.</langstring></description> <keyword> <langstring xml:lang="en"> algorithm </langstring> </keyword> <keyword> <langstring xml:lang="en"> problem </langstring> </keyword> <keyword> <langstring xml:lang="en"> Kohonen Feature Map </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> 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Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Artificial Intelligence and Robotics</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Methodologies</langstring></entry> <taxon> <entry><langstring xml:lang="en">Artificial Intelligence</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> 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<value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Paton Lewis N:Lewis;Paton EMAIL;INTERNET:pjl@symbolcraft.com END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Vikram Narula N:Narula;Vikram EMAIL;INTERNET:vnarula@vt.edu ORG:Virginia Tech;CS END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=125 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <copyrightandotherrestrictions> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">yes</langstring></value> </copyrightandotherrestrictions> <description><langstring xml:lang="en">Copyright © 1998-2001 by Paton J. Lewis. All rights reserved</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Algorithms and Data Structures</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Data</langstring></entry> <taxon> <entry><langstring xml:lang="en">Data Structures</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:126</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">VisualOS Operating System Visualization Program</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">126</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> VisualOS is an educational visual simulator of operating system. Its purpose is to help understand how an operating systems and the algorithms involved work by showing visual representations of the different aspects of an operating system.</langstring></description> <keyword> <langstring xml:lang="en"> Operating System </langstring> </keyword> <keyword> <langstring xml:lang="en"> simluator </langstring> </keyword> <keyword> <langstring xml:lang="en"> linux </langstring> </keyword> <keyword> <langstring xml:lang="en"> unix </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Manuel Estrada Sainz N:Estrada Sainz;Manuel EMAIL;INTERNET:ranty@users.sourceforge.net END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Mike Belanger N:Belanger;Mike EMAIL;INTERNET:mbelange@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=126 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">PC</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Operating System</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">UNIX</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Programming Language</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">C++</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <copyrightandotherrestrictions> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">yes</langstring></value> </copyrightandotherrestrictions> <description><langstring xml:lang="en">GPL</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Operating Systems</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Operating Systems</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:127</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Simple Model Automatic Computer</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">127</langstring></entry> </catalogentry> <description><langstring xml:lang="en"> A simple automatic computer simulator. Equipped with a program editor, an assembler, a simulator, a tracer, and a memory viewer.</langstring></description> <keyword> <langstring xml:lang="en"> computer </langstring> </keyword> <keyword> <langstring xml:lang="en"> SIMAC </langstring> </keyword> <keyword> <langstring xml:lang="en"> simulator </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Yanto Suryono N:Suryono;Yanto EMAIL;INTERNET:yanto@fedu.uec.ac.jp END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Vikram Narula N:Narula;Vikram EMAIL;INTERNET:vnarula@vt.edu ORG:Virginia Tech;CS END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=127 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Software Methodology and Engineering</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Hardware</langstring></entry> <taxon> <entry><langstring xml:lang="en">General</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computer Systems Organization</langstring></entry> <taxon> <entry><langstring xml:lang="en">General</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:129</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Unix Sortdemo</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">129</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> Sortdemo is a program to visualize various types of sorting algorithms. It generates a sequence of image files, that can be converted to an animation suitable for demonstrations.</langstring></description> <keyword> <langstring xml:lang="en"> Sorting </langstring> </keyword> <keyword> <langstring xml:lang="en"> demo </langstring> </keyword> <keyword> <langstring xml:lang="en"> unix </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Anuradha Ratnaweera N:Ratnaweera;Anuradha EMAIL;INTERNET:anuradha@gnu.org END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Mike Belanger N:Belanger;Mike EMAIL;INTERNET:mbelange@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=129 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">PC</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Operating System</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">UNIX</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Programming Language</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">C++</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <copyrightandotherrestrictions> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">yes</langstring></value> </copyrightandotherrestrictions> <description><langstring xml:lang="en">GNU GPL</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Algorithms and Data Structures</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Programming Techniques</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:133</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Jeliot, Interactive Algorithm Animator</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">133</langstring></entry> </catalogentry> <description><langstring xml:lang="en"> This is a quite complicated applet/servlet combination to interactively animate almost any Java application or algorithm. The basic idea is to animate user's code interactively. First You write the code, send it to the server and wait a while. Then You can watch Your own code in action. The system is able to animate almost any algorithm written in Java, exact details of the restictions can be found in the user's manual. Major features: user's own code (with or without errors :), interactive, line-by-line</langstring></description> <keyword> <langstring xml:lang="en"> algorithm </langstring> </keyword> <keyword> <langstring xml:lang="en"> code animation </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Tommi Terasvirta N:Terasvirta;Tommi EMAIL;INTERNET:Tommi.Terasvirta@cs.helsinki.fi END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Vikram Narula N:Narula;Vikram EMAIL;INTERNET:vnarula@vt.edu ORG:Virginia Tech;CS END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=133 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Algorithms and Data Structures</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Theory of Computation</langstring></entry> <taxon> <entry><langstring xml:lang="en">Analysis of Algorithms and Problem Complexity</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:134</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Xtango</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">134</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> XTANGO is a general purpose algorithm animation system, developed by John Stasko of Georgia Tech, that supports programmers developing color, real-time, 2 & 1/2 dimensional, smooth animations of their own algorithms and programs. The focus of the system is on ease-of-use. XTANGO utilizes the path-transition animation paradigm which helps move animation design to an abstract, high level. Programmers need not be graphics experts to develop their own animations. XTANGO is implemented on top of UNIX and the X11 Window System. 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Each version uses the same abstract model to represent the state of an undirected graph and the same kernel operations to manipulate the state of that undirected graph. The implementation strategy changes for each version. The first five versions utilize the "classic" strategies (adjacency list, adjacency matrix, and edge list) in a variety of ways. The final version employs a novel data structure that allows each operation to execute in constant time, which dominates the other strategies.</langstring></description> <keyword> <langstring xml:lang="en"> 2001 ACM International Student Research Contest </langstring> </keyword> <keyword> <langstring xml:lang="en"> 3rd place Undergraduate </langstring> </keyword> <keyword> <langstring xml:lang="en"> graphs </langstring> </keyword> <keyword> <langstring xml:lang="en"> components </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Shawn Craft N:Craft;Shawn EMAIL;INTERNET:craft.51@osu.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Shawn Craft N:Craft;Shawn EMAIL;INTERNET:craft.51@osu.edu ORG:The Ohio State University;Computer and Information Science END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=139 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">HP, HTML Browser, PC</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Operating System</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Windows 95/98, Windows NT</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Algorithms and Data Structures</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Software Methodology and Engineering</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Programming Techniques</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Software Engineering</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Data</langstring></entry> <taxon> <entry><langstring xml:lang="en">Data Structures</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Data</langstring></entry> <taxon> <entry><langstring xml:lang="en">Data Storage Representations</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Theory of Computation</langstring></entry> <taxon> <entry><langstring xml:lang="en">Analysis of Algorithms and Problem Complexity</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:140</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Building An Interactive, 3D Virtual World</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">140</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> Consumer-level computer hardware is quickly growing in its capability to handle high quality three-dimensional graphics in real time. Three-dimensional graphics programming is also quickly becoming the standard for data visualization and entertainment media. This project serves to explore different techniques and approaches for programming in three dimensions, and manifests them in a virtual world that can be rendered and navigated in real time.</langstring></description> <keyword> <langstring xml:lang="en"> 2001 CCSCNE Student Research Poster Contest </langstring> </keyword> <keyword> <langstring xml:lang="en"> 2st place Undergraduate </langstring> </keyword> <keyword> <langstring xml:lang="en"> graphics </langstring> </keyword> <keyword> <langstring xml:lang="en"> computer graphics </langstring> </keyword> <keyword> <langstring xml:lang="en"> simulation </langstring> </keyword> <keyword> <langstring xml:lang="en"> computer game </langstring> </keyword> <keyword> <langstring xml:lang="en"> 3d </langstring> </keyword> <keyword> <langstring xml:lang="en"> three-dimensional </langstring> </keyword> <keyword> <langstring xml:lang="en"> virtual </langstring> </keyword> <keyword> <langstring xml:lang="en"> world </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Raymond Mazza N:Mazza;Raymond EMAIL;INTERNET:rhmazza@colby.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Raymond Mazza N:Mazza;Raymond EMAIL;INTERNET:rhmazza@colby.edu ORG:Colby College;Computer Science, Physics END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=140 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">PC</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Operating System</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Windows 95/98</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Programming Language</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">C++</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Human-Computer Communication</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Software Methodology and Engineering</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Methodologies</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computer Graphics</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Methodologies</langstring></entry> <taxon> <entry><langstring xml:lang="en">Simulation and Modeling</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:141</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Ast and secure distributed read-only file system</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">141</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> The self-certifying read-only file system enables secure distribution of public, read-only content. It is similar to anonymous FTP or the Web, except that it serves integrity-protected content. That is, an adversary cannot trick a user into accepting unauthentic content. The read-only file system pushes the cost of cryptography entirely onto clients, allowing servers to scale to many clients. To publish content, an administrator creates off-line a signed database of a local file system. Untrusted replicas then serve the content to clients. We demonstrate how to use the read-only file system to implement certificate authorities and securely distribute software.</langstring></description> <keyword> <langstring xml:lang="en"> security </langstring> </keyword> <keyword> <langstring xml:lang="en"> file systems </langstring> </keyword> <keyword> <langstring xml:lang="en"> cryptography </langstring> </keyword> <keyword> <langstring xml:lang="en"> </langstring> </keyword> <keyword> <langstring xml:lang="en"> hash trees </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Kevin Fu N:Fu;Kevin EMAIL;INTERNET:fubob@mit.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Frans Kaashoek N:Kaashoek;Frans EMAIL;INTERNET:kaashoek@lcs.mit.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:David Mazieres N:Mazieres;David EMAIL;INTERNET:dm@cs.nyu.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Kevin Fu N:Fu;Kevin EMAIL;INTERNET:fubob@mit.edu ORG:MIT; END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=141 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Alpha, PC, Sun Sparc</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Operating System</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">UNIX</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Programming Language</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">C++</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <copyrightandotherrestrictions> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">yes</langstring></value> </copyrightandotherrestrictions> <description><langstring xml:lang="en">system is open-source. poster includes images which may or may not be subject to fair use.</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Operating Systems</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Data</langstring></entry> <taxon> <entry><langstring xml:lang="en">Data Encryption</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Data</langstring></entry> <taxon> <entry><langstring xml:lang="en">Files</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:142</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">The Old World Meets the New: Utilizing Java Technology to Re-vitalize and Enhance NASA Scientific Legacy Code</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">142</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> A general purpose client/server architecture has been developed to effect the modernization of legacy code. This technique utilizes platform independent graphical user interfaces and interactive visualizations. The client/server configuration exploits a content-taggable data stream which allows seamless integration with the legacy application. This allows the client to orchestrate the collection of data in a more graphically interactive manner than was present in the original legacy interface. Application of this architecture to a NASA Global Scientific Model was demonstrated. The enhanced model incorporating this architecture will support data interpretation for NASAs TIMED satellite mission, including distributed investigations managed via a remote server.</langstring></description> <keyword> <langstring xml:lang="en"> 2001 ACM International Student Research Contest </langstring> </keyword> <keyword> <langstring xml:lang="en"> first Place Undergraduate </langstring> </keyword> <keyword> <langstring xml:lang="en"> 1st Place Undergraduate </langstring> </keyword> <keyword> <langstring xml:lang="en"> Java </langstring> </keyword> <keyword> <langstring xml:lang="en"> Distributed </langstring> </keyword> <keyword> <langstring xml:lang="en"> Application Wrapper </langstring> </keyword> <keyword> <langstring xml:lang="en"> Visualization </langstring> </keyword> <keyword> <langstring xml:lang="en"> Legacy </langstring> </keyword> <keyword> <langstring xml:lang="en"> Modernization </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Michael Elder N:Elder;Michael EMAIL;INTERNET:michael.elder@acm.org END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Michael Elder N:Elder;Michael EMAIL;INTERNET:michael.elder@furman.edu ORG:Furman University;Computer Science END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=142 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Java Virtual Machine, PC, SGI, Sun Sparc</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Operating System</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">All</langstring></value> </name> </requirement> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Programming Language</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Fortran, Java, XML</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <copyrightandotherrestrictions> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">yes</langstring></value> </copyrightandotherrestrictions> <description><langstring xml:lang="en">Copyright (C) 2001 by Michael D. Elder</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Architecture Methods</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Miscellaneous</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:157</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">A framework to support teaching in distributed systems</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">157</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> Computer networks and distribute systems are characterized by highly dynamic, concurrent, and complex processes. Thus, training in this area requires great effort from both teachers and learners. Teachers are disatisfied with available methods for presentation, explanation, and exercises, and they are looking for better methods to support learners. We have developed and architecture called Highly interactive simulation of algorithms and Protocols (HiSAP), consisting of a framework to build simulations and generate applets from formally specified algorithms or protocols. By modifying this specification and observing the resulting behavior, teaching and learning in a constructive manner is enabled. The framework is open to plug-in tools to show various aspects of HiSAP's behavior. 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xml:lang="en">Computer Systems Organization</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computer-Communication Networks</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Methodologies</langstring></entry> <taxon> <entry><langstring xml:lang="en">Simulation and Modeling</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Milieux</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computers and Education</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:156</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Greetings from the guest editor</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">156</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> Introduction to special issue on multimedia</langstring></description> <keyword> <langstring xml:lang="en"> JERIC </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Rachelle S. Heller N:Heller;Rachelle S. EMAIL;INTERNET:sheller@seas.gwu.edu END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Hussein Suleman N:Suleman;Hussein EMAIL;INTERNET:hussein@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=156 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Other</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">General Literature</langstring></entry> <taxon> <entry><langstring xml:lang="en">Introductory and Survey</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:155</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Editorial: Introducing the ACM Journal on Educational Resources in Computing</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">155</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> Introduction to first issue of JERIC</langstring></description> <keyword> <langstring xml:lang="en"> JERIC </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Edward A. Fox N:Fox;Edward A. EMAIL;INTERNET:fox@vt.edu END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Lillian N. Cassel N:Cassel;Lillian N. EMAIL;INTERNET:cassel@acm.org END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Hussein Suleman N:Suleman;Hussein EMAIL;INTERNET:hussein@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=155 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Other</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">General Literature</langstring></entry> <taxon> <entry><langstring xml:lang="en">Introductory and Survey</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:148</identifier> <datestamp>2001-09-06</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Empirical Study of Course Scheduling Methods</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">148</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> Authors: Prakash Ojha Abigail Walker Jennifer Wanner Hope College Xavier University Computer Science Mathematics and Computer Science Holland MI 49423 Cincinnati OH 45207-4441 ojha@cs.hope.edu awalker@cerebro.xu.edu wanner@cerebro.xu.edu Research advisor: Gary Lewandowski, Xavier University, lewandow@cerebro.xu.edu Poster Title: Empirical Study of Course Scheduling Methods Category: Undergraduate Extended Abstract: Problem and Motivation Course scheduling involves building a timetable for courses such that the students who want to take courses can successfully take every course they would like. There are many variations to this problem, including inclusion of faculty constraints, room constraints, and multiple sections. The problem is known to be NP-Complete, thus many researchers have worked on approximation solutions to the problem. Researchers have generally focused on one solution method, one unique version of the problem definition, and one set of data based on local needs. This localization of the problem has resulted in many studies but no general consensus of the best method available. In this study, we explore several methods from the literature on a single definition of the problem, and on a common set of data. Our goals are two-fold. First, we provide a problem statement, data, and a random data generator to facilitate easy benchmarking of methods and techniques. Second, we explore the best method for those who may be non-experts and need to schedule courses. Background and Related Work While a great deal of research has been done on scheduling methods, our study concentrates on two of the most promising efforts: iterative improvement and linear programming. Iterative improvement methods for scheduling including faculty constraints have been studied in particular by Glover [3], and Chahal and DeWerra [1]. Hertz's use of Tabu search considers many different constraints [4]; we have adopted many of these constraints in our benchmark formulation of the problem. Our modification to the problem and our new data provides a different testbed for this algorithm and allows it to be compared against other methods. Linear programming allows one to formulate an equation for the optimal solution to the problem; practical solutions involving this method are infrequent [2], and do not consider many of the constraints we consider. Approach and Uniqueness We address the problem of comparing results from the literature in two ways. First, we define one statement of the course scheduling problem, involving faculty, students, and multiple sections, and adapt several of the approaches from the literature to this problem. Thus, any comparison of the approaches will start from the same problem definition. Second, we provide a random data generator that generates student course requests in such a way that an optimal solution must exist. Finally, we have studied five methods for course scheduling in our study: A greedy algorithm that simply schedules courses to the first available time (results from this simple method give some idea as to the usefulness of more complex methods), iterative improvement algorithms following a hill-climbing philosophy and following a "random improvement" philosophy in which a solution with a poorer evaluation may be used to continue the search for an improved solution, linear programming, and an algorithm that creates a bipartite matching problem for scheduling each student based on the times available for each course requested. Our formulation of the course scheduling problem used is as follows: We are given information about the courses (number of sections, faculty members teaching the course, times at which the course can be taught), lists of desired student courses, and the number of timeslots in which to schedule the courses. Courses are grouped into departments and for each department we have information on how many courses from that department may be scheduled concurrently (representing room availability constraints). The goal of the problem is to build a timetable and schedule for students' courses minimizing student conflicts while satisfying constraints on faculty and room availability. This study provides a repeatable and expandable comparison of scheduling methods. The algorithms were tested on random data and on data from a DIMACS benchmark for graph coloring that involves course scheduling. The generator and benchmark data are publically available, thus other methods can be tested on the same or very similar data. Results and Contributions We have developed a data generator that generates student course requests given the description of a timetable (the number of courses in the table, and the number of sections of each course), the section bound for each course, and the number of schedules desired. The generator builds a random timetable, and then generates student course requests using a backtracking technique that ensures the student can get each course requested. Information on which section the student would attend and the time of each course is stripped from the data so the data appears real to the algorithms. We conducted a study of the methods described above on thirteen sets of randomly generated data. Each method was run five times and we used the median to compare how close each method comes to scheduling courses optimally. (The Linear Programming method could not be tested because our formulation resulted in so many variables that our machines ran out of memory.) We have drawn the following conclusions from our empirical study. First, the greedy algorithm is not competitive with other approximation methods, meaning the time spent developing and using these methods is worthwhile. Second, iterative improvement is currently the best practical method for course scheduling when the courses have only a single section each. Third, when courses have multiple sections each, bipartite matching is very competitive with the iterative improvement algorithms while running much faster. References [1] N. Chahal and D. deWerra. An interactive system for constructing timetables on a PC, European Journal of Operations Research, 40, 1989, 32-37. [2] T. Franklin, E. Jenkins, and K. Woodson. A case study in scheduling courses, UMAP Journal, 15, no. 2, 1995, 115-122. [3] F. Glover, Tabu Search, part 1, ORSA Journal on Computing,1,1989, 190-206. [4] A. Hertz. Finding a feasible course schedule using tabu search, Discrete Applied Mathematics, 35, 1992, 255-270.</langstring></description> <keyword> <langstring xml:lang="en"> 2001 ACM International Student Research Contest </langstring> </keyword> <keyword> <langstring xml:lang="en"> 2nd Place Undergraduate </langstring> </keyword> <keyword> <langstring xml:lang="en"> scheduling </langstring> </keyword> <keyword> <langstring xml:lang="en"> experimental algorithms </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Abigail Walker N:Walker;Abigail EMAIL;INTERNET:awalker@cerebro.cs.xu.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Jennifer Rizzo N:Rizzo;Jennifer EMAIL;INTERNET:wanner@cerebro.cs.xu.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Prakash Ojha N:Ojha;Prakash EMAIL;INTERNET:ojha@cs.hope.edu END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Gary Lewandowski N:Lewandowski;Gary EMAIL;INTERNET:lewandow@cerebro.cs.xu.edu ORG:Xavier University; END:vCard </vcard> </centity> <date> <datetime>2001-09-06</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=148 </location> <requirement> <type> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Operating System</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">All</langstring></value> </name> </requirement> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <copyrightandotherrestrictions> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">yes</langstring></value> </copyrightandotherrestrictions> <description><langstring xml:lang="en">Copyright the authors, distribution allowed as long as the work is attributed to them.</langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Algorithms and Data Structures</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Artificial Intelligence and Robotics</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">Miscellaneous</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Theory of Computation</langstring></entry> <taxon> <entry><langstring xml:lang="en">Analysis of Algorithms and Problem Complexity</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:159</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Course and exercise sequencing using metadata in adaptive hypermedia learning</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">159</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> <p>In the last few years the (semi-) automatic sequencing of course material has become an important research issue, particularly the standardization of metadata for educational resources. Sequencing can help to generate hypermedia documents which, at their best match the learner's needs. To perform (semi-) automatic course sequencing, a knowledge library as well as modular resources can be used. Both must be described by metadata.</p> <p>First, metadata standards (IEEE Learning Objects Metadata, Instructional Mangement Systems Global Learning Consortium, Dublin Core) are analyzed with regard to course sequencing. As an application example, Multibook, an adaptive hypermedia system used to teach multimedia technology, is described. Multibook uses metadata to create course sequences semi-automatically. In this article we explain how a knowledge library can be used to create exercises automatically. We give an example of how courses can be sequenced in general by analyzing the creation of exercises. An evaluation of our system shows the advantages and drawbacks of the automatic sequencing approach.</p></langstring></description> <keyword> <langstring xml:lang="en"> Documentation </langstring> </keyword> <keyword> <langstring xml:lang="en"> Management </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Stephan Fischer N:Fischer;Stephan EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Hussein Suleman N:Suleman;Hussein EMAIL;INTERNET:hussein@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=159 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Database and Information Retrieval</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Information Systems</langstring></entry> <taxon> <entry><langstring xml:lang="en">Information Interfaces and Presentation</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Milieux</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computers and Education</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:160</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Using a theoretical multimedia taxonomy framework</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">160</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> <P>Multimedia (MM) is a polysemous term, a term with many definitions, and in this case, many roots. In this paper, multimedia is defined as the seamless integration of two or more media. Each ancestor brings another requirement, muddying the field and making it difficult to work through. A multimedia taxonomy based on a previous media taxonomy is proposed to help organize the discipline. The taxonomy helps to classify the space called multimedia and to draw attention to difficult issues. The paper outlines the forms contributing to multimedia--text, sound, graphics, and motion--and aligns them with probable formats--elaboration, representation, and abstraction-- and sets them within a context--audience, discipline, interactivity, quality, usefulness, and aesthetics. The contexts are more clearly defined in two areas: interactivity and the information basis for a discipline. Examples are presented describing the use of the taxonomy in the design and evaluation of student projects in a computer science-based multimedia course.<p></langstring></description> <keyword> <langstring xml:lang="en"> computer uses in education </langstring> </keyword> <keyword> <langstring xml:lang="en"> evaluation </langstring> </keyword> <keyword> <langstring xml:lang="en"> multimedia </langstring> </keyword> <keyword> <langstring xml:lang="en"> design </langstring> </keyword> <keyword> <langstring xml:lang="en"> theory </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Rachelle S. Heller N:Heller;Rachelle S. EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:C. Dianne Martin N:Martin;C. Dianne EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Nuzi Haneef N:Haneef;Nuzi EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Hussein Suleman N:Suleman;Hussein EMAIL;INTERNET:hussein@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=160 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Other</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Information Systems</langstring></entry> <taxon> <entry><langstring xml:lang="en">Information Interfaces and Presentation</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:161</identifier> <datestamp>2002-02-22</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">L3--towards an open learning environment</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">161</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> <P>This article describe the use of dedicated ontology for teaching in the context of the <I>L</i><SUP>3</sup> project, a national joint project for deploying further vocational education in Germany. The requirements for the open <I>L</i><SUP>3</sup> learning infrastructure are presented in order to motivate our approach to metamodeling learning resources and services by using dedicated ontolgies of pedagogics and didactics. The basic concepts and parts of the pedagogical ontology are outlined, and the practical implications for several of today's problems such as authoring and design, retrieval and adaptive of training resources are illustrated. An overview of the <I>L</i><SUP>3</sup> runtime architecture shows how the didactical ontology is used to deliver adaptive learning.</p></langstring></description> <keyword> <langstring xml:lang="en"> adaptive courses delivery </langstring> </keyword> <keyword> <langstring xml:lang="en"> authoring </langstring> </keyword> <keyword> <langstring xml:lang="en"> environment for web-based training </langstring> </keyword> <keyword> <langstring xml:lang="en"> didatics </langstring> </keyword> <keyword> <langstring xml:lang="en"> pedagogical ontology </langstring> </keyword> <keyword> <langstring xml:lang="en"> reuse of learning resources </langstring> </keyword> <keyword> <langstring xml:lang="en"> design </langstring> </keyword> <keyword> <langstring xml:lang="en"> human factors </langstring> </keyword> <keyword> <langstring xml:lang="en"> standardization </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Torsten Leidig N:Leidig;Torsten EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2002-02-22</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Hussein Suleman N:Suleman;Hussein EMAIL;INTERNET:hussein@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2002-02-22</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=161 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Other</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Milieux</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computers and Education</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Methodologies</langstring></entry> <taxon> <entry><langstring xml:lang="en">Artificial Intelligence</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Information Systems</langstring></entry> <taxon> <entry><langstring xml:lang="en">Information Interfaces and Presentation</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Information Systems</langstring></entry> <taxon> <entry><langstring xml:lang="en">Information Systems Applications</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Information Systems</langstring></entry> <taxon> <entry><langstring xml:lang="en">Information Storage and Retrieval</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Information Systems</langstring></entry> <taxon> <entry><langstring xml:lang="en">Models and Principles</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:162</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">IRI-h, a Java-based distance education system: architecture and performance</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">162</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> <P>We used our Original Interactive Remote Instruction (IRI) system to teach scores of university classes over the past years at sites up to 300 km apart. While this system is a prototype, its use in real classes allows us to deal with crucial issues in distributed education instruction systems. We describe our motivation and vision for a reimplementation of IRI that supports synchronous and asynchronous distance education. This new version, called IRI-h (h for hetergeneous), is coded in Java and executes on several different platforms. IRI-h extends IRI both to multiple platforms and heterogeneous network experiences with the developing prototype, including preliminary performance evaluation, and also unresolved issues still to be addressed.</P></langstring></description> <keyword> <langstring xml:lang="en"> Design </langstring> </keyword> <keyword> <langstring xml:lang="en"> Management </langstring> </keyword> <keyword> <langstring xml:lang="en"> Performance </langstring> </keyword> <keyword> <langstring xml:lang="en"> Java </langstring> </keyword> <keyword> <langstring xml:lang="en"> heterogeneity </langstring> </keyword> <keyword> <langstring xml:lang="en"> platform independence </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:C. Wild N:Wild;C. EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:H. Abdel-Wahab N:Abdel-Wahab;H. EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:R. Maly N:Maly;R. EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Hussein Suleman N:Suleman;Hussein EMAIL;INTERNET:hussein@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=162 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Other</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Milieux</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computers and Education</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computer Systems Organization</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computer-Communication Networks</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:163</identifier> <datestamp>2001-08-21</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Web-based multimedia tools for sharing educational resources</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">163</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> <P>Many educational resources and objects have been developed as Java applets or applications, which can accessed by simply downloading them from various repositories. It is often necessary to share these resources in real time, for instance when an instructor teaches remote students how to use a certain resource explains the theory behind it. We have developed some tools for this purpose that emulate a virtual classroom, and are primarily designed for synchronous sharing of resources. They enable participants to share Java objects in real time and also allow the instructor to dynamically manage the telebearing session.</P></langstring></description> <keyword> <langstring xml:lang="en"> Design </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Nicolas D. Georganas N:Georganas;Nicolas D. EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Abdulmotaleb El Saddik N:El Saddik;Abdulmotaleb EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Shervin Shirmohammadi N:Shirmohammadi;Shervin EMAIL;INTERNET:- END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Hussein Suleman N:Suleman;Hussein EMAIL;INTERNET:hussein@vt.edu ORG:; END:vCard </vcard> </centity> <date> <datetime>2001-08-21</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=163 </location> </technical> <educational> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Learner</langstring></value> </intendedenduserrole> <intendedenduserrole> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Teacher</langstring></value> </intendedenduserrole> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Higher Education</langstring></value> </context> <context> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Secondary Education</langstring></value> </context> </educational> <rights> <description><langstring xml:lang="en"></langstring></description> </rights> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Educational Objective</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computer Science Curriculum</langstring></source> <taxon> <entry><langstring xml:lang="en">Other</langstring></entry> </taxon> </taxonpath> <description><langstring xml:lang="en">The type of class that this resource is best suited for</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Milieux</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computers and Society</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Computing Milieux</langstring></entry> <taxon> <entry><langstring xml:lang="en">Computers and Education</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:170</identifier> <datestamp>2001-11-09</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">Little Man Computer</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">170</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> A web based applet that simulates the working of a Little Man Computer, designed by Dr. Stuart Madnick</langstring></description> <keyword> <langstring xml:lang="en"> Little Man Computer </langstring> </keyword> <keyword> <langstring xml:lang="en"> LMC </langstring> </keyword> <keyword> <langstring xml:lang="en"> Hardware Concepts </langstring> </keyword> </general> <lifecycle> <status> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Final</langstring></value> </status> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Rahul Gedupudi N:Gedupudi;Rahul EMAIL;INTERNET:rahul_naidu@hotmail.com END:vCard </vcard> </centity> <date> <datetime>2001-11-09</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Larry Brumbaugh N:Brumbaugh;Larry EMAIL;INTERNET:ljbrumb@ilstu.edu END:vCard </vcard> </centity> <date> <datetime>2001-11-09</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:William Yurcik N:Yurcik;William EMAIL;INTERNET:wjyurci@ilstu.edu END:vCard </vcard> </centity> <date> <datetime>2001-11-09</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Rahul Gedupudi N:Gedupudi;Rahul EMAIL;INTERNET:rahul_naidu@hotmail.com ORG:Illinois State University;Applied Computer Science END:vCard </vcard> </centity> <date> <datetime>2001-11-09</datetime> </date> </contribute> <language>en</language> </metametadata> <technical> <location type="URI"> http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=170 </location> <requirement> <type> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Platform</langstring></value> </type> <name> <source><langstring xml:lang="x-none">CSTC</langstring></source> <value><langstring xml:lang="x-none">Java 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The study stresses the suitability of POSIX Threads (Pthreads) to resemble kernel operations in the simulation environment. It specifies the prerequisites for using Pthreads as a means to resemble embedded task execution and suggests an I/O-based representation of device information. The experience gained with a sample implementation stresses the importance of a proper match between a Pthreads implementation and an embedded kernel. It also shows the adequacy of both the simulation environment and a graphical user interface to aid program development and debugging. Furthermore, the separation of the simulation component from the user interface provides opportunities to utilize each component separately or even combine them with other components. 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<vcard> BEGIN:vCard FN:Oliver Buehn N:Buehn;Oliver EMAIL;INTERNET:oli@dtgroup.com END:vCard </vcard> </centity> <date> <datetime>2001-10-30</datetime> </date> </contribute> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Author</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Thomas Roeblitz N:Roeblitz;Thomas EMAIL;INTERNET:roeblitz@zib.de END:vCard </vcard> </centity> <date> <datetime>2001-10-30</datetime> </date> </contribute> </lifecycle> <metametadata> <contribute> <role> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Creator</langstring></value> </role> <centity> <vcard> BEGIN:vCard FN:Frank Mueller N:Mueller;Frank EMAIL;INTERNET:mueller@cs.ncsu.edu ORG:North Carolina State University;Department of Computer Science END:vCard </vcard> </centity> <date> <datetime>2001-10-30</datetime> </date> </contribute> <language>en</language> 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xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Software</langstring></entry> <taxon> <entry><langstring xml:lang="en">General</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:190</identifier> <datestamp>2001-12-24</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 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xml:lang="en">Computer Systems Organization</langstring></entry> <taxon> <entry><langstring xml:lang="en">General</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Hardware</langstring></entry> <taxon> <entry><langstring xml:lang="en">Control Structures and Microprogramming</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> <classification> <purpose> <source><langstring xml:lang="x-none">LOMv1.0</langstring></source> <value><langstring xml:lang="x-none">Discipline</langstring></value> </purpose> <taxonpath> <source><langstring xml:lang="en">ACM Computing Classification System</langstring></source> <taxon> <entry><langstring xml:lang="en">Hardware</langstring></entry> <taxon> <entry><langstring xml:lang="en">General</langstring></entry> </taxon> </taxon> </taxonpath> <description><langstring xml:lang="en">The subject classification that best describes the resource</langstring></description> </classification> </lom> </metadata> </record> <record> <header> <identifier>oai:CSTC:244</identifier> <datestamp>2002-03-12</datestamp> </header> <metadata> <lom xmlns="http://www.imsglobal.org/xsd/imsmd_v1p2" xsi:schemaLocation="http://www.imsglobal.org/xsd/imsmd_v1p2 http://www.imsglobal.org/xsd/imsmd_v1p2p2.xsd"> <general> <title><langstring xml:lang="en">GLOMAR: Adaptive Consistency Control for Distributed File Systems</langstring></title> <catalogentry> <catalog>CSTC</catalog> <entry><langstring xml:lang="en">244</langstring></entry> </catalogentry> <language>English</language> <description><langstring xml:lang="en"> With the increased heterogeneity of networked devices integrating into existing distributed file system (DFS) topologies, the ability to balance hardware constraints with user and software requirements is paramount. This is especially true for consistency control in file systems. Existing DFSs usually implement a single general-purpose consistency control approach, focusing on a specific scenario, rather than the multitude of possibilities that can arise due to heterogeneity and variability of current computing environments. The developed GLOMAR system caters for the multitude of possibilities, by providing the framework and abstraction that allows numerous consistency control mechanisms specifically built for a scenario to be implemented under the one DFS. 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Highlights of salient features and pointers for successful adaptation to the classroom. 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