Summary
The components described in this chapter—RDF parsers, serializers, stores, and query engines—are not semantic models in themselves but the components of a system that will include semantic models. Even the information represented in RDF is not necessarily a semantic model. These are the building blocks that go into making and using a semantic model. The model will be represented in RDF, to be sure. As we shall see, the semantic modeling languages of the W3C, RDFS, and OWL are built entirely in RDF, and they can be federated just like any other RDF data.
Where do semantic models fit into the application architecture of Figure 4.2? As data expressed in RDF, they will be housed in the RDF store, along with all other data. But semantic models ...
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