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Re: SPARQL vnext new feature? cascadedQueries

From: Dan Connolly <connolly@w3.org>
Date: Sat, 03 Nov 2007 23:56:52 -0400
Message-ID: <472D4304.7020603@w3.org>
To: Alan Ruttenberg <alanruttenberg@gmail.com>
Cc: public-sparql-dev@w3.org

Alan Ruttenberg wrote:
> 
> SELECT ?a ?b
>   FROM ( CONSTRUCT { ?d <b> ?b }
>                           FROM < http://example.com/sparql?>
>                         WHERE { ?b <b> ?d } )
>  WHERE { ?a <b> ?b }


Yes... the Data Access WG considered this sort of thing briefly;
we didn't see any particular reason not to do it but we...

RESOLVED 2005-01-20: to postpone cascadedQueries; while federation use 
cases are interesting, the designs don't seem mature and the use cases 
are not urgent; with KendallC abstaining.
http://www.w3.org/2001/sw/DataAccess/issues#cascadedQueries

I'm happy to see people playing around with it; I hope the
designs get mature soonish.


-- 
Dan Connolly, W3C http://www.w3.org/People/Connolly/
Received on Sunday, 4 November 2007 03:56:50 GMT

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