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XML Topic Maps: Creating and Using Topic Maps for the Web by Jack Park, Sam Hunting

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Harvesting the Knowledge Identified in Markup

One of the benefits of XML is the ability to define a set of markup tags that explicitly label the content of a data set rather than using formatting tags such as those in HTML. By using content tagging, you can develop programs that identify certain topics within the information and harvest them to populate a topic map or semantic network. In many cases, the associations or relationships between the topics may not be explicitly stated in the markup. Tools can be developed that allow the user to define associations and topic types so that data extracted from documents can be placed into the topic map and interpreted by the computer. In fact, the inference rule model discussed above could be extended ...

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