Hi James, the OWL namespace itself adds this triple to declare rdfs:label (and some others) annotation properties.
But may I ask: why are you concerned that leaving OWL DL is a bad thing? Thanks Holger On Jan 26, 2009, at 9:49 AM, James A Miller wrote: > > I don't know if this is a TBC question or not, but I will ask it > here first... > > In the OWL spec, > http://www.w3.org/TR/2004/REC-owl-ref-20040210/#AnnotationProperty-def > , it states: > Annotation properties must not be used in property axioms. Thus, in > OWL DL one cannot define subproperties or domain/range constraints > for annotation properties. > > And the definition of rdfs:label, according to > http://www.w3.org/2000/01/rdf-schema#label > is: > > <rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#label"> > <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema# > "/> > <rdfs:label>label</rdfs:label> > <rdfs:comment>A human-readable name for the subject.</rdfs:comment> > <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource > "/> > <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal > "/> > </rdf:Property> > > Of course, it does not have an OWL annotation property type in an > RDFS definition. > > But in TBC, I see that rdfs:label is an owl:AnnotationProperty, > which is not in the rdfs definition. I'm not sure where that came > from (TBC?), but I'm OK with that (I think), except it still has the > domain and range definition, which seems to be in conflict with OWL- > DL. > > I am not getting OWL Species of OWL-Full because of this, but I > don't understand why not. Is this a hard-coded special case? Or am > I misunderstanding something? > > Jim > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "TopBraid Composer Users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/topbraid-composer-users?hl=en -~----------~----~----~----~------~----~------~--~---
