- From: Alistair Miles <alistair.miles@zoo.ox.ac.uk>
- Date: Wed, 30 Jul 2008 11:13:09 +0100
- To: <public-swd-wg@w3.org>
We propose the following resolution to [ISSUE-123]: PROPOSED: Add a new property skos:topConceptInScheme to the SKOS vocabulary. Add two new statements to the SKOS data model: skos:topConceptInScheme is a sub-property of skos:inScheme, and skos:topConceptInScheme is the owl:inverseOf skos:hasTopConcept. == Rationale == The resolution [1] to [ISSUE-83] includes an entailment which must follow from the SKOS data model, involving skos:inScheme and skos:hasTopConcept. However, the resolution [1] does not give the precise logical connection between skos:inScheme and skos:hasTopConcept, nor does it specify how that connection should be stated in the SKOS Reference. We propose that the entailment in [1] follows because the inverse of skos:hasTopConcept is a sub-property of skos:inScheme. It has been suggested [2] that this condition be expressed using OWL axioms involving an anonymous property. However, there are known issues with anonymous properties in RDF [3]. Hence we propose to coin a new URI in the SKOS vocabulary, skos:topConceptInScheme, naming a property which is the inverse of skos:hasTopConcept and a sub-property of skos:inScheme. It has also been suggested that this new property be named skos:topConceptOf [4]. Naming is always an inherently subjective issue, and it is hard to predict how a name will appeal to a wide audience. We propose skos:topConceptInScheme to make it intuitively clear that this property is a refinement (specialisation) of skos:inScheme. Kind regards, Alistair Sean [1] http://lists.w3.org/Archives/Public/public-swd-wg/2008May/0068.html [2] http://lists.w3.org/Archives/Public/public-swd-wg/2008Jul/0043.html [3] http://dx.doi.org/10.1016/j.websem.2005.06.001 [4] http://www.w3.org/2008/07/29-swd-minutes.html [ISSUE-83] http://www.w3.org/2006/07/SWD/track/issues/83 [ISSUE-123] http://www.w3.org/2006/07/SWD/track/issues/123 -- Alistair Miles Senior Computing Officer Image Bioinformatics Research Group Department of Zoology The Tinbergen Building University of Oxford South Parks Road Oxford OX1 3PS United Kingdom Web: http://purl.org/net/aliman Email: alistair.miles@zoo.ox.ac.uk Tel: +44 (0)1865 281993
Received on Wednesday, 30 July 2008 10:13:48 UTC