W3C home > Mailing lists > Public > www-rdf-interest@w3.org > June 2001

Re: About rdfs-subPropertyOf-semantics

From: Sean B. Palmer <sean@mysterylights.com>
Date: Tue, 12 Jun 2001 02:13:16 +0100
Message-ID: <04da01c0f2dd$23c6cfe0$2cd893c3@z5n9x1>
To: <www-rdf-logic@w3.org>
> Summary: The semantics of the subPropertyOf relationship [...]

Er... I was ranting about the subClassOf rdf:Property relationship,
which is a totally different issue altogether, but there you go. [1]

As for the issue above, it's quite obvious that for:-

   :x rdfs:subPropertyOf :y .
     rdfs:range :a;
     rdfs:domain :b .

:x will have a domain that is equivalent to, or is a subClassOf :a,
and a range that is equivalent to, or is a subClassOf :b. Try it out
on some test cases and find out.

[1] The lesson is: don't expect coherant ramblings to ensue from
someone who reads RDF issues lists at 2AM :-)

Kindest Regards,
Sean B. Palmer
@prefix : <http://webns.net/roughterms/> .
:Sean :hasHomepage <http://purl.org/net/sbp/> .
Received on Monday, 11 June 2001 21:13:56 UTC

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