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Re: subproperty question

From: Ian Horrocks <horrocks@cs.man.ac.uk>
Date: Thu, 25 Jan 2001 11:04:24 +0000 (GMT)
Message-ID: <14960.2104.105062.591569@excalibur.cs.man.ac.uk>
To: Stefan Decker <stefan@db.stanford.edu>
Cc: www-rdf-interest@w3.org, sintek@smi.stanford.edu
Stefan,

In general one wouldn't expect a sub-property of a transitive property
to be transitive itself, e.g., parent as a sub-property of ancestor.

Ian

On January 24, Stefan Decker writes:
> Dear interest group,
> 
> according to the RDF Schema specification http://www.w3.org/TR/rdf-schema/
> the rdfs:subClassOf property is transitive (see 
> http://www.w3.org/TR/rdf-schema/#s2.3.2 ).
> 
> Now: is a subproperty of rdfs:subClassOf also supposed to be transitive?
> The specification (http://www.w3.org/TR/rdf-schema/#s2.3.3) doesn't mention 
> this
> case.
> 
> Thanks and all the best,
> 
> 	Stefan
> 
> 
> 
Received on Thursday, 25 January 2001 06:27:04 GMT

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