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Re: [TF-ENT] Querying datasets with default plus named graphs

From: Steve Harris <steve.harris@garlik.com>
Date: Thu, 8 Oct 2009 13:04:19 +0100
Message-Id: <892E1075-5579-4797-AF1A-E76DC73EA41F@garlik.com>
To: "public-rdf-dawg@w3.org Group" <public-rdf-dawg@w3.org>
On 8 Oct 2009, at 12:39, Birte Glimm wrote:
>> But, I would have thought you could tell the store to apply RIF to  
>> some
>> graph(s) - just like you would apply OWL/RDFS/whatever, using an  
>> external
>> mechanism. Then query over those graphs as you would for any other
>> entailment regime.
> But where do the RIF rules come from and how do you tell the store
> that it should please apply a certain set of rules to a graph? In the
> query? In the protocol?

OK, so this is the bit I didn't understand :) I thought they would be  
configured as per OWL-x/RDFS inferences, i.e. it's some external  
mechanism that SPARQL has no direct control over. Perhaps that's not  
how RIF is used in practice though?

I have to admit I'm not as familiar with RIF as I'd like.

- Steve

Steve Harris
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Received on Thursday, 8 October 2009 12:07:27 UTC

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