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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 16:24:45 -0400
Message-ID: <4A80820D.3060704@openlinksw.com>
To: Kingsley Idehen <kidehen@openlinksw.com>
CC: Tim Finin <finin@cs.umbc.edu>, "public-lod@w3.org" <public-lod@w3.org>, dbpedia-discussion@lists.sourceforge.net
Kingsley Idehen wrote:
> 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 ?
>   
Meant to say: owl:equivalentClass re. the above :-)


Kingsley
>> 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 20:25:23 UTC

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