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Re: [semanticweb] Ontology of interests

From: Martin Hepp <martin.hepp@deri.org>
Date: Mon, 31 Jul 2006 21:05:26 +0200
Message-ID: <44CE5476.6000800@deri.org>
To: Bernard Vatant <bernard.vatant@mondeca.com>
CC: Hamish Harvey <hamish@hamishharvey.com>, Danny Ayers <danny.ayers@gmail.com>, semantic-web@w3c.org

Dear all:

As a side remark: in our paper [1], we have provided some quantitative 
evidence that Wikipedia URIs are reliable, authoritative identifiers for 
  everyday concepts.

Best
Martin


[1] Harvesting Wiki Consensus - Using Wikipedia Entries as Ontology 
Elements, Proceedings of the 1st Workshop: SemWiki2006 - From Wiki to 
Semantics, co-located with the 3rd Annual European Semantic Web 
Conference (ESWC 2006) , June 12, 2006, Budva, Montenegro.
Available at
http://www.heppnetz.de/files/SemWiki2006-Harvesting%20Wiki%20Consensus-LNCS-final.pdf
or http://www.heppnetz.de


Bernard Vatant wrote:
> 
> Hamish
>> Besides, what's wrong with saying, without using another URI:
>>
>> <http://en.wikipedia.org/wiki/Resource_Description_Framework> 
>> foaf:topic _:rdf .
>> <http://www.w3.org/RDF/> foaf:topic _:rdf .
>>
> This is an option I've been pushing here and there for months, without 
> much feedback so far. I think this is the best one can do in RDF to 
> capture the fact that two resources deal with the same 
> thing/topic/subject, whereas keeping agnostic about what this thing 
> actually "is".
> The argument against it, that _:rdf is only a local node and therefore 
> limits the usability of the declaration to the local file is moot IMO.
> 
> Suppose I have in another RDF file
> 
> <http://xmlfr.org/documentations/tutoriels/041015-0001> foaf:topic  _:b
> <http://www.w3.org/RDF/> foaf:topic _:b .
> 
> Agreed in this case I cannot infer that _:b and _:rdf are the same, 
> because foaf:topic bears no cardinality constraint.
> But one can use some functional property instead, like 
> skos:primarySubject, so if I have somewhere :
> 
> <http://en.wikipedia.org/wiki/Resource_Description_Framework> 
> skos:primarySubject     _:b1
> <http://www.w3.org/RDF/> skos:primarySubject     _:b1
> 
> And in another RDF graph
> 
> <http://xmlfr.org/documentations/tutoriels/041015-0001> 
> skos:primarySubject     _:b2
> <http://www.w3.org/RDF/> skos:primarySubject     _:b2
> 
> An agent can reasonably infer that _:b1 and _:b2 are the same and merge 
> the three resources in a third file
> 
> <http://en.wikipedia.org/wiki/Resource_Description_Framework> 
> skos:primarySubject     _:b
> <http://www.w3.org/RDF/> skos:primarySubject     _:b
> <http://xmlfr.org/documentations/tutoriels/041015-0001> 
> skos:primarySubject     _:b
> 
> More about it at [1]
> 
> [1] 
> http://universimmedia.blogspot.com/2006/04/more-use-cases-for-nondescript.html
> 
> 
> -- 
> 
> *Bernard Vatant*
> 
> Knowledge Engineering
> 
> ----------------------------------------------------* *
> 
> *Mondeca **
> *3, cité Nollez 75018 Paris France
> 
> Web: www.mondeca.com <http://www.mondeca.com>
> 
> ----------------------------------------------------
> 
> Tel. +33 (0) 871 488 459 
> 
> Mail: bernard.vatant@mondeca.com <mailto:bernard.vatant@mondeca.com>
> 
> Wikipedia user <http://en.wikipedia.org/wiki/User:Universimmedia>
> 

-----------------------------------------------------
martin hepp
e-mail: martin.hepp@deri.org
web:    http://www.heppnetz.de
skype:  mfhepp
office: +43 512 507 6465

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Received on Monday, 31 July 2006 19:07:33 GMT

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