Proposed responsed to Dan Brickley concerning owl:Class and rdfs:Class

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Hi Dan

Thanks for your comment

http://lists.w3.org/Archives/Public/public-webont-comments/2003Sep/0009

We had an earlier similar comment from RDF Core WG, to which the official 
reply was:

http://lists.w3.org/Archives/Public/public-webont-comments/2003Jul/0052

Assuming that you were familiar with this, we decided to further clarify the 
use of owl:Class and rdfs:Class by means of additional test cases.

The first is in the published Candidate Rec and can be found at:

http://www.w3.org/TR/2003/CR-owl-test-20030818/byFunction#imports-008

and this is targeted at OWL DL and OWL Lite users wanting to reuse RDFS 
schema.

Further tests, targeted at the OWL Full user are found in the editors draft 
at:
http://www.w3.org/2002/03owlt/editors-draft/draft/proposedByFunction#Class-001
http://www.w3.org/2002/03owlt/editors-draft/draft/proposedByFunction#Class-002
http://www.w3.org/2002/03owlt/editors-draft/draft/proposedByFunction#Class-003
http://www.w3.org/2002/03owlt/editors-draft/draft/proposedByFunction#Class-004

The first shows that owl:Class and rdfs:Class are equivalent as classes in OWL 
Full.
The second and third spell this out, by showing that a type triple using 
owl:Class means exactly the same as a type triple using rdfs:Class.

The fourth ones shows the remaining distinction between the two classes in OWL 
Full, that annotations concerning one are distinct from annotations 
concerning the other.

We do not intend to make other changes in response to your comment.

The earlier response to RDF Core WG motivates having two concepts, but OWL 
Full users can use either largely interchangeably.

Please reply copying public-webont-comments@w3.org whether the changes made in 
response to your comment are sufficient.

Jeremy Carroll
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Received on Monday, 22 September 2003 07:59:20 UTC