Recently, I had to read some tiles containing document metadata. Metadata, you probably recall, is data about the document rather than data that you find directly in a document. Typically metadata contact information like the documents title, date, major topics, source, copyright information and so forth. If you have a whole lot of documents with such metadata, such as a collection of technical or news articles, it is helpful to catalog the metadata so that you can find the documents that fall into whatever categories the metadata provides. Of course, if you have all this metadata, you have to put it into some sort of organized system like a database or search engine index so you can find it when you need it. Here is where we find a little object lesson in a number of good
programming techniques.
By: James W. Cooper
Published in: RC21980 in 2001
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