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Motivation
Figure 1 shows the hierarchy of different ontology languages, and from Example 1,
we know that the primitives of RDF, RDFS, and OWL are used together to define
an ontology. OWL is a replacement of DAML, OIL, and DAML+OIL, therefore
the primitives of DAML, OIL, and DAML+OIL do not appear in the definition of
an ontology which is defined with OWL. However, this is only an example which
is defined now with the OWL. In practice, before OWL appears, a lot of ontologies
have already been defined with ontology languages DAML, OIL, and DAML+OIL.
Figure 2. A Person_Ontology represented using OWL language
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:owl="http://www.w3.org/2002/07/owl#"
xmlns:xsd="http://www.w3.org/2000/10/XMLSchema#">

Person





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A Bas s for the Semant c Web and E-Bus ness
Copyright ?© 2007, Idea Group Inc.


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