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Re: Are you planning to use the Dataset Semantics?

From: Antoine Zimmermann <antoine.zimmermann@emse.fr>
Date: Wed, 26 Sep 2012 07:55:45 +0200
Message-ID: <506298E1.6000609@emse.fr>
To: Pat Hayes <phayes@ihmc.us>
CC: Sandro Hawke <sandro@w3.org>, W3C RDF WG <public-rdf-wg@w3.org>
Le 26/09/2012 03:54, Pat Hayes a écrit :
>
> On Sep 25, 2012, at 5:16 PM, Sandro Hawke wrote:
>
>>
>> For myself, at this point I'm 70% convinced that I can implement
>> all the dataset use cases I understand (the ones I enumerated in
>> the Federated Phonebook examples, plus SPARQL dump/restore) without
>> any standard dataset semantics beyond having a standard place for
>> metadata (eg the default graph in trig and the service description
>> graph in SPARQL).
>
> Sandro, how can you use metadata *at all* without some way to force a
> URI to denote a graph? When you use the URI in the metadata RDF, what
> (semantic or even pragmatic) constraint ensures that what it denotes
> there is the graph that you have in mind? Or indeed, that it is a
> graph at all?

Most metadata in the world are provided without any formal semantics 
that enforces denotation. You know it's metadata about something because 
it follows the specs.


>
> Pat
>
>>
>> -- Sandro
>>
>> [1] http://www.w3.org/2005/10/Process-20051014/tr#cfr
>>
>>
>
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-- 
Antoine Zimmermann
ISCOD / LSTI - Institut Henri Fayol
École Nationale Supérieure des Mines de Saint-Étienne
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Received on Wednesday, 26 September 2012 05:56:25 GMT

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