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6. Creating an RDF Vocabulary > 6.2. Defining the Vocabulary: Business and Scop...

Defining the Vocabulary: Business and Scope

As the Web has matured, more and more of the posted content is aging beyond usefulness. In many cases, this aged content is just deleted from a web site, resulting in “404 Page not found” errors when you click through to the content from some search engine or via a link from another web page. Hitting a missing page is particularly frustrating if you’ve come to the page because of a description associated with it that exactly fits your current interest, and you don’t even know why the page was deleted or if the resource might exist somewhere else.

A further problem with maturing web sites is that site structure doesn’t remain constant—due to the use of new technologies or new directions in content management, resources may be moved around at the site or even moved to new domains. When you access the content, the less-than-helpful sites return with something along the lines of:


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