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Re: Operational definition of SPARQL algebra

From: Eric Prud'hommeaux <eric@w3.org>
Date: Tue, 24 Oct 2006 13:21:07 +0200
To: Lee Feigenbaum <feigenbl@us.ibm.com>
Cc: RDF Data Access Working Group <public-rdf-dawg@w3.org>
Message-ID: <20061024112107.GC4149@w3.org>

On Fri, Oct 20, 2006 at 10:17:52AM -0400, Lee Feigenbaum wrote:
> Andy Seaborne wrote on 10/20/2006 09:18:02 AM:
> 
> > 
> > This message is an outline for an operational definition of the 
> > SPARQL algebra.
> > 
> > There is advocacy for this change in the working group; this message is 
> to 
> > check that with everyone; to get early feedback, and to check we 
> areagreed on 
> > what it means.  The style of approach isn't new - Fred's work embodies 
> this 
> > style as does the Chilean paper.
> 
> On my initial examination, everything here agrees with my recent thoughts 
> and understanding, and I'd be happy with it. I think we should name the 
> operators the same as the keywords wherever we can (so LeftJoin -> 
> Optional, but Join can stay).
> 
> Lee

+1 to these definitions and for Lee's naming suggestion.
-- 
-eric

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Received on Tuesday, 24 October 2006 11:20:09 GMT

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