gender: Why does vCard Ontology define class hierarchy instead of skos:Concept resources ?

The vCard Ontology uses a class hierarchy to formulate gender values
(vcard:Female, vcard:Male, vcard:None, vcard:Other and vcard:Unknown as
subclasses of vcard:Gender).

That is unusual and not really usable.

Why is no skos:ConceptScheme with skos:Concept resources used for that
purpose?

Cheers,
Andreas
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vCard Ontology - for describing People and Organizations
W3C Interest Group Note 22 May 2014
http://www.w3.org/TR/vcard-rdf/

Received on Wednesday, 4 June 2014 14:26:05 UTC