- Class (“concept”) hierarchies can be defined
- Classes can be constructed: union, intersection, complement,…
- Classes can be constructed: union, intersection,
complement,…
- Properties can be characterized: is it transitive, is it a function…
- remember the “left of” example
- Properties can be characterized: is it transitive,
is it a function…
- remember the “left of” example
- Equivalence/difference of properties and classes
- eg, if ontologies from different origins are used…
- …or to handle multilingual cases
- Other vocabularies can be imported
- Version control
- etc