Ontologies on the Web
- Ontologies are on the Web. That means
- applications may use several, different ontologies, or ...
- ... same ontologies but in different languages
- equivalence of, and relations among terms become an issue
- For classes:
owl:equivalentClass: two classes have the same individuals owl:disjointWith: no individuals in common
- For properties:
owl:equivalentProperty: equivalent in terms of classes owl:inverseOf: inverse relationship
- For individuals:
owl:sameAs: two URI refer to the same individual (e.g., concept)owl:differentFrom: negation of owl:sameAs
