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Re: [Dbpedia-discussion] Fwd: Your message to Dbpedia-discussion awaits moderator approval

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Mon, 10 Aug 2009 16:16:13 -0400
Message-ID: <4A80800D.30103@openlinksw.com>
To: Tim Finin <finin@cs.umbc.edu>
CC: Anja Jentzsch <anja@anjeve.de>, "public-lod@w3.org" <public-lod@w3.org>, dbpedia-discussion@lists.sourceforge.net, Kavitha Srinivas <ksrinivs@gmail.com>
Tim Finin wrote:
> Kingsley Idehen wrote:
>> Your dbpedia --> freebase type link mappings are now live re. the 
>> public DBpedia instance.  Very very cool stuff!
>> Graph IRI: <http://dbpedia.org/freebase_type_links#>
>> ...
>
> I thought that this would be super useful, but when I looked at the
> example in the message
>
>  http://dbpedia.org/describe/?url=http%3A%2F%2Fdbpedia.org%2Fclass%2Fyago%2FNewYorkCityMusicians&urilookup=1 
>
>
> I noticed that the yago:Musician is declared to be owl:equivalentClass
> freebase:people/person.
Hmm.
>   This can't be right.  Greping through the NT
> dump I find more than 20K yago classes defined to be the equivalent of
> Freebase's people/person, including Uyghurs, murdered children and
> Norwegian Eurovision contestants.  Given the semantics of
> owl:equivalentClass, all 20K of these yago classes are asserted to
> have the same extent.

Kavitha: Where has  <http://freebase.com/people/person> come from? 
Shouldn't it be: <http://rdf.freebase.com/ns/people.person> which is 
owl:equivalent foaf:Person ?
>
> Now *that's* irrational exuberance!
>


-- 


Regards,

Kingsley Idehen	      Weblog: http://www.openlinksw.com/blog/~kidehen
President & CEO 
OpenLink Software     Web: http://www.openlinksw.com
Received on Monday, 10 August 2009 20:17:06 UTC

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