April 2009
Beginner to intermediate
352 pages
9h 33m
English
Content preview from Semantic Web for the Working Ontologist
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CHAPTER 6 RDF Schema
Just as Semantic Web modeling in RDF is about graphs, Semantic Web modeling in the RDF Schema Language (RDFS) is about sets. Some aspects of set membership can be modeled in RDF alone, as we have seen with the rdf:type built-in property. But RDF itself simply creates a graph structure to represent data. RDFS provides some guidelines about how to use this graph structure in a disciplined way. It provides a way to talk about the vocabulary that will be used in an RDF graph. Which individuals are related to one another, and how? How are the properties we use to define our individuals related to other sets of individuals and, indeed, to one another? RDFS provides a way for an information modeler to express the answers to these ...
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