Re: Mapping Relations

Hi Andrew, your approach sounds very sensible, good practice.

Cheers 

Alistair

On Tue, Jul 13, 2010 at 11:11:07AM +0200, Andrew Gibson wrote:
> Hi, this is an interesting topic that I have some interest in
> myself, one comment inline below
> 
> Alistair Miles wrote:
> >Hi Helmut
> >
> >On Mon, Jul 12, 2010 at 09:18:29PM +0200, Helmut Nagy wrote:
> >>Hi,
> >>
> >>e.g i got an Concept "Vienna" and i want to make the following mapping:
> >>
> >>"Vienna" skos:exactMatch http://dbpedia.org/resource/Vienna
> >
> >Possibly a reasonable thing to do. Personally, if it's useful for you to
> >do this, then I would just go for it. If it turns out to have unexpected
> >consequences, then you can always change later. Might also be worth asking
> >the dbpedia folks if and how they use SKOS.
> Being a bit of a pedant, I do not like to use the skos matching
> relations unless I can already see that the resource I am linking my
> concept to is of rdf:type skos:Concept, skos:inScheme to a concept
> scheme, has a skos:prefLabel and preferrably at least one
> broader/narrower relationship. Unfortunately this means I rarely use
> matching relations to anything other than skos resources that I have
> created myself ;-). In the real world Im not sure this makes any
> difference, and the Semantic Web will probably survive either way,
> but I think it gives other people more confidence in your vocabulary
> modelling if its clear some care has been taken.
> 
> DBPedia asserts no skos relations for any resource I have seen
> (which is not necessarily a bad thing, and I havent checked
> everything), and so in the absence of anything more specific, I just
> link from my concepts to dbpedia with rdfs:seeAlso, which "is used
> to indicate a resource that might provide additional information
> about the subject resource", so for example, its rdfs:labels or
> rdfs:comments might be useful to a semantic web application, but do
> not expect any directly relevant skos relationships that it could do
> skos things with.
> 
> Cheers,
> Andrew
> >>skos:it? t-shirts? :)
> >
> >Sorry, Danbri and I had a discussion a while back about ideas for a new inverse
> >property pair in SKOS that would be used for linking from SKOS concepts to
> >"real things" like people, mountain ranges, etc., and back again. Danbri wanted
> >to call the properties skos:it and skos:as, e.g., <mySkosConceptOfVienna>
> >skos:it <http://dbpedia.org/resource/Vienna>. Danbri also thought this would
> >be a great marketing ploy, as you could print t-shirts with "skos:it!" on the
> >front (meaning like, if you've got a thesaurus, SKOS it!) ... unfortunately
> >there wasn't enough desire for something like this in the SKOS reference
> >at the time, and it was hard to figure out what the semantics should be,
> >so we left it.
> >
> >It would be interesting to see if anyone else is doing this kind of linking
> >into and out of SKOS concept schemes, and if so, what properties they're
> >using. Anyone?
> >
> >Cheers
> >
> >Alistair
> >
> >>Cheers
> >>hel.
> >>
> >>
> >>>Hi Helmut,
> >>>
> >>>On Mon, Jul 12, 2010 at 04:51:38PM +0200, Helmut Nagy wrote:
> >>>>Hi,
> >>>>
> >>>>i got one question, should skos:mappingRelations only be used to map to skos:Concepts of a different skos:conceptScheme or would it also be consistent to use skos:mappingRelations to map to linked data like DBpedia or FreeBase?
> >>>I'm not sure, I think it depends what type of resource you want to map
> >>>to. What assertions are made by DBpedia and FreeBase for the resources you
> >>>want to map to?
> >>>
> >>>Danbri: the return of skos:it? (we should have printed those t-shirts,
> >>>then it would have definitely gone in the spec... :)
> >>>
> >>>Cheers
> >>>
> >>>Alistair
> >>>
> >>>>Thanks,
> >>>>hel.
> >>>>
> >>>>| Helmut Nagy, Consultant
> >>>>| Semantic Web Company GmbH
> >>>>| Lerchenfelder Guertel 43/5
> >>>>| A - 1160 Wien, Austria
> >>>>
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> >>>>
> >>>>PERSONAL INFORMATION
> >>>>| h.nagy@semantic-web.at
> >>>>
> >>>-- 
> >>>Alistair Miles
> >>>Centre for Genomics and Global Health <http://cggh.org>
> >>>The Wellcome Trust Centre for Human Genetics
> >>>Roosevelt Drive
> >>>Oxford
> >>>OX3 7BN
> >>>United Kingdom
> >>>Web: http://purl.org/net/aliman
> >>>Email: alimanfoo@gmail.com
> >>>Tel: +44 (0)1865 287669
> >
> 

-- 
Alistair Miles
Centre for Genomics and Global Health <http://cggh.org>
The Wellcome Trust Centre for Human Genetics
Roosevelt Drive
Oxford
OX3 7BN
United Kingdom
Web: http://purl.org/net/aliman
Email: alimanfoo@gmail.com
Tel: +44 (0)1865 287669

Received on Tuesday, 13 July 2010 12:24:32 UTC