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by earl, 5796 days agoOWL Web Ontology Language
"The first level above RDF required for the Semantic Web is an ontology language [an ORL] that can formally describe the meaning of terminology used in Web documents. If machines are expected to perform useful reasoning tasks on these documents, the language must go beyond the basic semantics of RDF Schema (RDF-S).
OWL is a vocabulary extension of RDF. OWL (which is based on [create DAML+OIL]) is not a single language, but a specification of three sublanguages:
- OWL Lite
- OWL DL (based on Description Logics)
- OWL Full
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