SKOS Core enquiry

Dear all,

I was wondering if you could explain why skos:broader and skos:narrower 
properties have been added as part of the SKOS vocabulary. My query is 
based on the fact that generalization/specification can already be 
represented by properties such as rdfs:subClassOf.

Furthermore,  the Semantic Web tend to claim that reuse is very 
important. However, properties such as skos:subject or 
skos:primarySubject are already present in other languages such as 
foaf:topic and foaf:primaryTopic respectively in FOAF 
<http://xmlns.com/foaf/0.1/>.

The W3C have proposed a draft for Wordnet in RDFS and OWL 
<http://www.w3.org/2001/sw/BestPractices/WNET/wordnet-sw-20040713.html> 
and I was wondering if there was any plans to represent WordNet in SKOS.

Regards,

Quentin
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Quentin H. Reul
Computing Science
University of Aberdeen

01224 272485
qreul@csd.abdn.ac.uk
http://www.csd.abdn.ac.uk/~qreul <http://www.csd.abdn.ac.uk/%7Eqreul>
<http://www.csd.abdn.ac.uk/%7Eqreul>