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Re: owl:sameAs use/misuse/abuse Re: homonym URIs

From: Ian Davis <lists@iandavis.com>
Date: Thu, 14 Jun 2007 21:02:34 +0100
Message-ID: <46719EDA.3090605@iandavis.com>
To: Pierre-Antoine Champin <swlists-040405@champin.net>
CC: Dan Brickley <danbri@danbri.org>, Bernard Vatant <bernard.vatant@mondeca.com>, semantic-web@w3.org

On 14/06/2007 16:11, Pierre-Antoine Champin wrote:
> Consider that I work for two different companies (in the morning and in
> the afternoon).
> Both have a URI for me. Company 1 would state
> 
> comp1:champin emp:name "Champin" ;
>               emp:salary "1000€" .
> 
> Company 2, on the other hand, would state
> 
> comp2:champin emp:name "Champin" ;
>               emp:salary "2000€" .
> 
> using the same standardized properties, which happen to be functional.
> 
> It would seem legitimate to state that
> 
> comp1:champin owl:sameAs comp2:champin .
> 
> But that would lead to inconsistency (two different values for a
> functional property).
> 
> Both URIs denote me, but not the same "me", only the "me" I am from the
> point of view of each company.

You modelled it such that each person may have only a single salary, yet 
you found someone with two. Either the data is wrong or your model is 
wrong. That's all the inconsistency tells you.

Ian
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Received on Thursday, 14 June 2007 20:03:40 UTC

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