- From: Alistair Miles <alistair.miles@zoo.ox.ac.uk>
- Date: Tue, 2 Dec 2008 14:34:21 +0000
- To: Sean Bechhofer <sean.bechhofer@manchester.ac.uk>
- Cc: SWD Working SWD <public-swd-wg@w3.org>
I support this proposal Regards, Alistair On Tue, Dec 02, 2008 at 12:12:59PM +0000, Sean Bechhofer wrote: > > > All, > > Here's a draft response to Jeremy on [ISSUE-175]. > Let me know what you think. Note *this is just a draft, not the actual > response* -- I'll wait for feedback from the WG before replying formally. > > Sean > > Dear Jeremy, > > thanks for your comment [1]: > > * The URI of the SKOS namespace. The current draft introduces a new > namespace for the SKOS vocabulary. Comments have been made that this may > cause > difficulty for existing SKOS implementations or vocabularies. As a > result, the > choice of SKOS namespace should be considered "at risk of change". > > Any implementators using a namespace URI in a WD have been warned of > possible > change before Rec. > Conventionally this means that the terms in the namespace or their > meaning might > change, and the namespace URI remains unchanged. So if I had been part of > the WG > when the namespace URI changed, I would have been opposed, however > that's water > under the bridge and the argument cuts both ways! > > ------------------------------------------------------------ > > This was an issue that has been debated at length in the WG (see for > example [2,3]) and the WG have seen merit in both options. The Last Call > Draft proposes a new namespace. Recent discussions [4] have seen the WG > return to a position where the SKOS vocabulary would be defined using the > existing namespace URI. > > We do not intend to change the property names of the key semantic > relations skos:broader and skos:narrower, as it was felt that this would > effectively negate any benefit from retaining the namespace. This will, > however, result in a change to the semantics of these relationships. > However, as highlighted in [5], in principle applications should be able > to make use of the machine-readable published schema. There may be impact > on previously published vocabularies, which users will need to be made > aware of. Note also that "old" vocabulary (for example skos:subject) will > no longer be defined in the skos namespace. Historical versions of the > schema will, however still be made available (although not at the SKOS > namespace URI). > > Our proposal is thus to revert to the original SKOS namespace URI, and to > add an appendix to the reference document (see [6]) discussing the issues > above. > > Are you happy with this solution? > > Cheers, > > Sean Bechhofer > Alistair Miles > > [ISSUE-175] http://www.w3.org/2006/07/SWD/track/issues/175 > [1] http://lists.w3.org/Archives/Public/public-swd-wg/2008Oct/0077.html > [2] http://lists.w3.org/Archives/Public/public-swd-wg/2008Apr/0032.html > [3] http://www.w3.org/2006/07/SWD/wiki/SkosDesign/RdfSchema > [4] http://www.w3.org/2008/10/07-swd-minutes.html#item05 > [5] http://lists.w3.org/Archives/Public/public-swd-wg/2008Oct/0036.html > [6] http://www.w3.org/2006/07/SWD/SKOS/reference/20081001/#app-namespace > > > -- > Sean Bechhofer > School of Computer Science > University of Manchester > sean.bechhofer@manchester.ac.uk > http://www.cs.manchester.ac.uk/people/bechhofer > > > > -- 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 Tuesday, 2 December 2008 14:35:00 UTC