Re: DAML query

Currently they are not, for a rather technical reason.

The basic difference between the two ``Speaker''s below is that the meaning
of DAML+OIL restrictions is not defined for rdf:Property, only for
daml:ObjectProperty and daml:DatatypeProperty. 

This may be modified in the future.

Peter F. Patel-Schneider
Bell Labs Research


From: "Charlie Abela" <abcharl@maltanet.net>
Subject: DAML query
Date: Thu, 11 Oct 2001 12:13:33 +0100

> Can anyone explain if the following represents the same concept
> 
> <rdf:Property rdf:ID="Speaker">
>   <rdfs:domain rdf:resource="#Talk"/>
>   <rdfs:range
> rdf:resource="http://daml.umbc.edu/ontologies/person-ont#Person"/>
>   <daml:minCardinality>1</daml:minCardinality/>
> </rdf:Property>
> 
> and
> 
> <daml:ObjectProperty rdf:ID="Speaker">
>   <rdfs:domain rdf:resource="#Talk"/>
>   <rdfs:range
> rdf:resource="http://daml.umbc.edu/ontologies/person-ont#Person"/>
>   <daml:minCardinality>1</daml:minCardinality/>
> </daml:ObjectProperty>
> 
> Since in both cases Speaker is representing a relation between the two
> classes Talk and Person, defined elsewhere.
> 
> Thanks
> 
> Charlie