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

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CHAPTER 7 RDFS-Plus

RDFS provides a very limited set of inference capabilities that, as we have seen, have considerable utility in a Semantic Web setting for merging information from multiple sources. In this chapter, we take the first step toward the Web Ontology Language OWL, in which more elaborate constraints on how information is to be merged can be specified. We have selected a particular set of OWL constructs to present at this stage. This set was selected to satisfy a number of goals:

Pedagogically, these constructs constitute a gentle addition to the constructs that are already familiar from RDFS, increasing the power of the language ...

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