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Re: [Fwd: major technical: no subqueries]

From: Seaborne, Andy <andy.seaborne@hp.com>
Date: Fri, 13 Jan 2006 20:37:21 +0000
Message-ID: <43C80F81.3060304@hp.com>
To: Dan Connolly <connolly@w3.org>
Cc: RDF Data Access Working Group <public-rdf-dawg@w3.org>



Dan Connolly wrote:
> This seems like a reasonably coherent argument for a new requirement,
> complete with rationale and use case.
> 
> If you support this requirement and would like to see us add it
> to the critical path, please say so.
> 
> If not, please help me come up with justification that might
> satisfy the commentor.


The query :

SELECT ?name
WHERE { ?x foaf:givenName ?name .
        FILTER ( ! ( ASK ?date WHERE { ?x dc:date ?date } ) ) }

is very much like:

SELECT ?name
WHERE { ?x foaf:givenName ?name .
        UNSAID { ?x dc:date ?date }
       }

Close issue:
http://www.w3.org/2001/sw/DataAccess/issues#unsaid

Closed at Helsinki:
http://www.w3.org/2001/sw/DataAccess/ftf4.html#item04

	Andy
Received on Friday, 13 January 2006 20:37:39 GMT

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