- From: Chris Purcell <cjp39@cam.ac.uk>
- Date: Wed, 22 Sep 2004 08:27:20 +0100
- To: David Menendez <zednenem@psualum.com>
- Cc: Hamish Harvey <david.harvey@bristol.ac.uk>, www-rdf-interest@w3.org
> 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 UTC