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Re: SKOS queries

From: Quentin Reul <qreul@csd.abdn.ac.uk>
Date: Wed, 26 Sep 2007 11:48:16 +0100
Message-ID: <46FA38F0.2060704@csd.abdn.ac.uk>
To: Sean Bechhofer <sean.bechhofer@manchester.ac.uk>
CC: SWD WG <public-swd-wg@w3.org>

Hi Sean,

I understood that skos:narrower and skos:broader are inverses. And I 
guess my question is actually going to be covered as part of the f2f in 
Amsterdam [1] in a few weeks time. My personal opinion is that these 
should be transitive in a similar manner to rdfs:subClass in OWL 
especially if users want to be able to get information through inference.

Another question that comes to mind is whether SKOS is intended to be 
used as stand-alone or within an ontology. As part of the project I work 
on, we have used SKOS properties such as skos:definition to define 
concept label in OWL ontologies. But I also can see some applications 
where SKOS can be used to represent thesaurus on its own.



[1] http://www.w3.org/2006/07/SWD/wiki/AmsterdamAgenda

Sean Bechhofer wrote:
> On 24 Sep 2007, at 11:41, Quentin Reul wrote:
>> Hi,
>> I have looked at different aspects of SKOS and I have got a few 
>> questions as a result:
>> First of all, I was wondering if there was any reasoner available to 
>> create a thesaurus tree and find out all the different terms that are 
>> "broader/narrower" for a given term.
>> My understanding is that the "broader/narrower" relationship is 
>> transitive, i.e. if the user adds a term has being broader, this term 
>> would have the previous term as narrower without having to add the 
>> statement to the second term.
> Broader/narrower are intended to be *inverses*, which I think is what 
> you mean here.
> The transitivity of broader/narrower is one of the topics that's up for 
> discussion at the F2F. See "Semantic Relation Properties" in [1].
> Cheers,
>     Sean
> [1] http://www.w3.org/2006/07/SWD/wiki/AmsterdamAgenda
> -- 
> Sean Bechhofer
> School of Computer Science
> University of Manchester
> sean.bechhofer@manchester.ac.uk
> http://www.cs.manchester.ac.uk/people/bechhofer


Quentin H. Reul
Computing Science
University of Aberdeen

+44 (0)1224 27 *4485*
Received on Wednesday, 26 September 2007 10:48:38 UTC

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