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Web Ontology Language (OWL)
- RDFS has a number of Limitations:
- Only binary relations
- Characteristics of Properties, e.g. inverse , transitive , symmetric
- Local range restrictions, e.g. for class Person , the property hasName has range xsd:string
- Complex concept descriptions, e.g. Person is defined by Man and Woman
- Cardinality restrictions, e.g. a Person may have at most 1 name
- Disjointness axioms, e.g. nobody can be both a Man and a Woman
- The Web Ontology Language (OWL) provides an ontology language, that is a more expressive Vocabulary Definition Language for use with RDF
- Class membership
- Equivalance of classes
- Consistency
- Classification
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