Hi Richard,
In my eyes, it's completely ok to use skos:exactMatch or skos:closeMatch in a
situation like this (I did it myself for the STW Thesaurus for Economics
mapping to dbpedia).
Thesauri and classifications are not restricted to abstract concepts. Some
thesauri deal explicitly with individual things, e.g. the widely used Getty
"Thesaurus of Geographic Names" or "Union List of Artist Names". Other thesauri
(like STW) have sections (or facets, as Leonard put it) on geografic names
along with others containing "pure" concepts. SKOS, as I understand it, is
intended to cover all this and to be used beyond strict class hierarchies or
class/individual dichotomies.
By the way, some of the SKOS properties (especially the
prefLabel/altLabel/hiddenLabel semantics) can be useful in a broad range of
applications. Eg. dbpedia itself could be used as a great source for synonym
candidates by mapping the resources to skos:Concept and the labels for
dbpedia:redirect resources to skos:altLabel.
Cheers, Joachim
________________________________
Von: Richard Cyganiak [mailto:rich...@cyganiak.de]
Gesendet: Mi 04.11.2009 01:56
An: dbpedia-discussion@lists.sourceforge.net; SKOS
Cc: Pat Hayes
Betreff: [Dbpedia-discussion] Using DBpedia resources as skos:Concepts?
Hi,
I want to get some broader feedback and opinion on this question.
There is a use case where an external dataset is modelled in SKOS, and
we want to map it to DBpedia. Something like:
<http://mydataset/433256>
a skos:Concept;
owl:sameAs <http://dbpedia.org/resource/Michelle_Obama>;
.
I've used owl:sameAs here. Now the problem is that my:433256 is a
skos:Concept, while dbp:Michelle_Obama is a foaf:Person. I wonder
wether that's a problem. I can't see any immediate contradiction
arising from that, but I'm uncertain.
Another option would be to use skos:closeMatch or skos:exactMatch, but
these are intended for use between skos:Concepts, while I'm trying to
connect a skos:Concept to a foaf:Person.
The main question, I guess, is wether people in the DBpedia project
would consider the assertion
<http://dbpedia.org/resource/Michelle_Obama> a skos:Concept .
to be acceptable or erroneous, or wether SKOS folks tell me that
skos:Concept is obviously disjoint from foaf:Person.
I know that this is a complex issue, so I'm not really looking for a
"right" or "wrong" answer. I'm more interested in getting all the pros
and cons and pitfalls and caveats on the table, so please, if you have
any opinion on the issue, I want to hear it.
I'm cc'ing Pat Hayes, because he said he's interested in that kind of
question.
All the best and thanks for your time,
Richard
--
Linked Data Technologist * Linked Data Research Centre
Digital Enterprise Research Institute (DERI), NUI Galway, Ireland
http://linkeddata.deri.ie/
skype:richard.cyganiak
tel:+353-91-49-5711
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