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version 1.2, 2002/07/18 15:52:27 version 1.3, 2005/02/15 14:10:58
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 \index{Metadata}\label{What Is Metadata?}\emph{Metadata} is \emph{data about data}. Metadata can often be thought  \index{Metadata}\label{What Is Metadata?}\emph{Metadata} is \emph{data about data}. Metadata can often be thought
 of as a label on some bit of information that can be useful to people or  of as a label on some bit of information that can be useful to people or
 computer programs trying to use the data. Without metadata, the person or  computer programs trying to use the data. Without metadata, the person or
 computer trying to use the original information would have to just guess  computer trying to use the original information would have to guess
 what the original data is about. For instance, if you create a problem and  what the original data is about. For example, if you create a problem and
 neglect to say in the title or subject of the problem what it is about, then  neglect to say in the title or subject of the problem what it is about, then
 a human who wants to use that problem would have to read the problem itself  a human who wants to use that problem would have to read the problem itself
 to see what it was about, which is much more difficult than just reading  to see what it was about, which is much more difficult than just reading
 a title. A computer trying to do the same thing would just be out of luck;  a title. A computer trying to do the same thing would be out of luck;
 it is too stupid to understand the problem statement at all.  it is too stupid to understand the problem statement at all.
   
 One example of metadata is the <title> of a web page, which usually shows  One example of metadata is the <title> of a web page, which usually shows
 up in the title bar of the browser. That's information about the web page  up in the title bar of the browser. That is information about the web page
 itself, not actually part of the web page. People use the title information  itself and is not actually part of the web page. People use the title information
 when they bookmark a page, so they know what the page is. Search engines  when they bookmark a page. Search engines
 use it as a clue about the content of the web page.  use it as a clue about the content of the web page.
   
Removed from v.1.2  
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  Added in v.1.3

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