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Re: rdfSemantics null hypothesis: punt/postpone

From: Seaborne, Andy <andy.seaborne@hp.com>
Date: Tue, 04 Oct 2005 13:09:29 +0100
Message-ID: <434270F9.1080301@hp.com>
To: RDF Data Access Working Group <public-rdf-dawg@w3.org>

Correction.

Seaborne, Andy wrote:
. . .
> Dan Connolly wrote:
> 
. . .
> 
>>I was going to say that we have a spec, tests and
>>implementations, but I'm not at all sure that our test
>>harness captures this aspect of the design; I think
>>our tests would say that a minimal answer passes,
>>since the test harness is based on graph matching,
>>and a lean graph matches a redundant graph.
> 
> 
> A result set is encoded as a graph then the equivalence test is applied.  It 
> does mean SELECT/SELECT DISTINCT are the same.

Not true.  The result set encoded as a graph format can distingish this.  We 
just arrange that tests don't depend on it the fact unless explicitly 
intended.  A SELECT auto-DISTINCT implementation is correct.

	Andy
Received on Tuesday, 4 October 2005 12:09:50 GMT

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