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Semantic Web for the Working Ontologist, 2nd Edition by James Hendler, Dean Allemang

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RDF Parser/Serializer

How does an RDF-based system get started? Where do the triples come from? There are a number of possible answers for this, but the simplest one is to find them directly on the Web.

Google can find millions of files with the extension .rdf. Any of these could be a source of data for an RDF application. But these files are useless unless we have a program that can read them. That program is an RDF parser. RDF parsers take as their input a file in some RDF format. Most parsers support the standard RDF/XML format, which is compatible with the more widespread XML standard. An RDF parser takes such a file as input and converts it into an internal representation of the triples that are expressed in that file. At this point, the ...

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