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Re: differentFrom?

From: Richard Cyganiak <richard@cyganiak.de>
Date: Sun, 15 Nov 2009 01:44:32 +0000
Cc: Richard Light <richard@light.demon.co.uk>, "public-lod@w3.org" <public-lod@w3.org>
Message-Id: <A6CDC1AB-79F9-44D9-BC62-AA23BC7D9A2F@cyganiak.de>
To: Hugh Glaser <hg@ecs.soton.ac.uk>
On 14 Nov 2009, at 12:44, Hugh Glaser wrote:
> Anyone who can differentiate the two Lajos Hanzos in Mobile comms  
> (both of
> whom have been in the same group at Southampton) deserves a medal,  
> and to
> have the fruits of their labours recorded for posterity.
> Mind you, for differentFrom to have any value, the different Things  
> must
> have been given different URIs in the first place.
> So we found that it was of limited value to us, as most of our co- 
> reference
> problems came from multiple Things that had been incorrectly given a  
> single
> URI in external sources. That is why we had to republish quite a lot  
> of
> data, minting new URIs ourselves, as our sources were not  
> distinguishing
> lexically similar strings enough.

Two very insightful paragraphs. A lot of food for thought in there.  
Thanks for sharing Hugh.


> But we may be approaching a day when it would be useful.
> Anyone got any such RDF they want to point me at?
> dbpedia guys, want to start picking up the disambiguation pages?
> Best
> Hugh
> On 14/11/2009 10:20, "Richard Light" <richard@light.demon.co.uk>  
> wrote:
>> Hi,
>> Following on from the excellent Open Data and the Semantic Web  
>> meeting
>> at the London Knowledge Labs yesterday (thank you, Open Knowledge
>> Foundation), a thought occurs to me.  I don't imagine it's a new one,
>> but I would be interested to know what has been done in this  
>> direction.
>> Hugh Glaser's sameAs.org site [1] provides a facility for finding
>> multiple URIs for the same concept.  How about a site which does the
>> opposite: indicates where URIs refer to _different_ concepts?
>> Obviously, this is only helpful where you might be tempted to assume
>> that the concepts are identical, e.g. because the same word or  
>> phrase is
>> used to describe/identify both.
>> Wikipedia's disambiguation pages are doing this job for human  
>> readers:
>> is there a Linked Data equivalent?
>> Richard
>> [1] http://sameas.org/
Received on Sunday, 15 November 2009 01:45:19 UTC

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