- From: Dan Brickley <danbri@w3.org>
- Date: Tue, 10 Aug 2004 08:04:43 -0400
- To: Dave Beckett <dave.beckett@bristol.ac.uk>
- Cc: "Miles, AJ (Alistair) " <A.J.Miles@rl.ac.uk>, "'Supekar, Kaustubh S.'" <Supekar.Kaustubh@mayo.edu>, "'public-esw-thes@w3.org'" <public-esw-thes@w3.org>
* Dave Beckett <dave.beckett@bristol.ac.uk> [2004-08-10 12:32+0100] > On Wed, 4 Aug 2004 12:09:20 -0400, Dan Brickley <danbri@w3.org> wrote: > ... > > > Thanks, this identifies a discomfort I've had w/ interactions between > > 'top concept' notion and thesaurus mixing. At heart you're saying > > 'top concept' is a relation between a a scheme/dataset/thesaurus and > > a concept. Makes sense to me. > > This is why I suggested skos:hasTopConcept to Alistair. You can't > promote one concept to 'top' in a shared web, since it might not be > a top concept in another thesaurus in the same graph. It is a > relationship between the thesaurus and some concept(s). > > > So would this be: > > > > <owl:FunctionalProperty rdf:about="http:///....../skos/core#hasTopConcept"/> > > > > ie. anything that has a skos:hasTopConcept has only one such thing? > > No. It may be 0 or more. But if such a relationship exists it should be between > the skos:ConceptScheme and some skos:Concept. We had to pick > a direction and it is most useful if it is written down (in rdf/xml say) > near the skos:ConceptScheme where other thesaurus-specific information > is recorded since if you are considerign the thesarus itself, you want > to see the general items about it - such as top concepts - if the exist. > Hence skos:hasTopConcept rather than skos:topConceptIn OK, all makes sense to me; thanks. BTW http://danbri.org/words/skos.phps for experimental exporter of SKOS from Wordpress weblog categories, for those who didn't see it. Dan
Received on Tuesday, 10 August 2004 12:04:43 UTC