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Re: [ALL] agenda telecon 24 Jun - 1500 UTC

From: Antoine Isaac <aisaac@few.vu.nl>
Date: Tue, 24 Jun 2008 16:38:59 +0200
Message-ID: <48610703.8020205@few.vu.nl>
To: SWD WG <public-swd-wg@w3.org>


If we want to do some action cleaning I can mention that regarding the 
following one
> ACTION: Antoine and Ed to add content to Primer about irreflexivity 
> [recorded in http://www.w3.org/2008/05/06-swd-minutes.html#action06] 

The section 2.3.1 of the Primer [1] will be added with the following 

> In a similar way, SKOS does not assume that hierarchical relations are 
> irreflexive by default. In most thesaurus design guidelines, it is 
> indeed prohibited to specify that a concept is broader than itself. 
> However, in specific cases beyond classical thesauri, some reflexive 
> skos:broader statements may occur. Consider the conversion of an 
> existing RDFS/OWL ontology into a SKOS concept scheme: in such a case, 
> it is legitimate that every rdfs:subClassOf statement will be 
> re-interpreted as a skos:broader one. However, rdfs:subClassOf is a 
> reflexive property, which means that for every class C, the statement 
> C rdfs:subClassOf C is true [OWL]! In this case every concept would 
> therefore have itself among its broader concepts.



[1] http://www.w3.org/TR/skos-primer/#sechierarchy
Received on Tuesday, 24 June 2008 14:39:36 UTC

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