Re: SPARQL vnext new feature? cascadedQueries

Alan Ruttenberg wrote:
> SELECT ?a ?b
>   FROM ( CONSTRUCT { ?d <b> ?b }
>                           FROM <>
>                         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.

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

Dan Connolly, W3C

Received on Sunday, 4 November 2007 03:56:50 UTC