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O rdf:type owl:Ontology optional?

From: Bijan Parsia <bparsia@isr.umd.edu>
Date: Fri, 8 Aug 2003 13:36:20 -0400
To: public comments <public-webont-comments@w3.org>
Message-Id: <D2CEEE21-C9C6-11D7-9419-0003939E0B44@isr.umd.edu>

http://www.daml.org/2002/06/webont/owl-ref-proposed#OWLDocument,  
section 2.1 reads:
	"An OWL document consists of optional ontology headers (generally at  
most one).."

Yet  
http://www-db.research.bell-labs.com/user/pfps/owl/semantics/ 
mapping.html, section 4.1, the first two lines in the table require an  
O rdf:type owl:Ontology triple. Shouldn't there be a few [opt]s  
scattered in there? (I take that 4.1 of S&AS is the normative section  
and would trump the reference.)

Tricky reading that table backwards, btw :)

Cheers,
Bijan Parsia.
Received on Friday, 8 August 2003 13:34:23 GMT

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