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Re: SKOS comment

From: Alistair Miles <alistair.miles@zoo.ox.ac.uk>
Date: Tue, 30 Sep 2008 15:34:45 +0100
To: Lourens van der Meij <lourens@cs.vu.nl>
Cc: public-swd-wg@w3.org
Message-ID: <20080930143443.GA8222@skiathos>

Dear Lourens van der Meij,

The Semantic Web Deployment Working Group kindly acknowledges receipt
of your last call comment. We hope to respond by Friday 10 October.

Your comment will be tracked as ISSUE-129. The SWD Issue Tracker is


With thanks and apologies for the delay in responding,

Alistair Miles

On Fri, Sep 05, 2008 at 10:27:59AM +0200, Lourens van der Meij wrote:
> A comment on
> "S9 skos:ConceptScheme is disjoint with skos:Concept "
> I have considered modelling complex thesauri containing sub thesauri  
> describing different aspects of objects (persons,subjects,..) as
> a general concept scheme having sub thesauri as top concepts.
> (often the pre-skos version is organized as a tree with top level
> children nodes that are the aspects themselves).
> ct:complex_thesaurus rdf:type skos:ConceptScheme
> ct:complex_thesaurus skos:hasTopConcept ct:subjects
> ct:complex_thesaurus skos:hasTopConcept ct:persons
> ct:complex_thesaurus skos:hasTopConcept ...
> then,
> ct:subjects rdf:type skos:Concept,
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> but I would also like
> ct:subjects" rdf:type skos:ConceptScheme
> I would put all ct:complex_thesaurus concepts skos:inScheme ct:complex_thesaurus
> ct:subject1 rdf:type skos:Concept
> ct:subject1 skos:broader ct:subjects
> ct:subject1 skos:inScheme ct:subjects
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> ct:subject1 skos:inScheme ct:complex_thesaurus
> Then, ct:complex_thesaurus would be a proper conceptscheme with tree
> but its subtree ct:subjects would also be a proper conceptscheme.
> Why? Because I would dislike having to define two distinct URIs for
> the subject that is a topconcept of ct:complex_thesaurus and
> the subject that is a Conceptscheme that defines all subjects concepts that are
> descendants of the ct:subjects concept. I would then need to define some 
> ad hoc property linking both subject uris. 
> Thanks,
> Lourens van der Meij
> (allowing skos:Collection and skos:Concept to not be disjunct could also possibly make
> skos:Collection more useful)

Alistair Miles
Senior Computing Officer
Image Bioinformatics Research Group
Department of Zoology
The Tinbergen Building
University of Oxford
South Parks Road
United Kingdom
Web: http://purl.org/net/aliman
Email: alistair.miles@zoo.ox.ac.uk
Tel: +44 (0)1865 281993
Received on Tuesday, 30 September 2008 14:35:22 UTC

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