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Re: web proper names

From: Chris Purcell <cjp39@cam.ac.uk>
Date: Wed, 22 Sep 2004 08:27:20 +0100
Cc: Hamish Harvey <david.harvey@bristol.ac.uk>, www-rdf-interest@w3.org
To: David Menendez <zednenem@psualum.com>
Message-Id: <D70DF014-0C68-11D9-AC90-000A957B97EE@cam.ac.uk>

> Here's another scenario that helped shape my thinking on the subject.
> Lets say we have two URIs that identify the same resource.
>
>     <http://example.com/thing/1> owl:sameAs 
> <http://example.org/obj/58>.
>
> Effectively, that means that anywhere we see
> <http://example.com/thing/1> in an RDF graph, we can replace it with
> <http://example.org/obj/58>, and vice versa.
>
> However, it is probably the case that dereferencing those URIs gives
> different pages.
>
>     _:P1 ex:resultOfDereferencing
>             "http://example.com/thing/1"^^xsd:anyURI.
>     _:P2 ex:resoltOfDereferencing
>             "http://example.org/obj/58"^^xsd:anyURI.
>
> If we tried to represent this information like so:
>
>     _:P1 ex:resultOfDereferencing <http://example.com/thing/1>.
>     _:P2 ex:resultOfDereferencing <http://example.org/obj/58>.
>
> we wouldn't be able to distinguish the sources of _:P1 and _:P2.

An excellent point. I no longer accuse Hamish of excess pedantry :)

Chris
Received on Wednesday, 22 September 2004 07:27:27 GMT

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