- From: Seaborne, Andy <andy.seaborne@hp.com>
- Date: Fri, 11 Mar 2005 17:44:57 +0000
- To: Geoff Chappell <geoff@sover.net>
- Cc: public-rdf-dawg-comments@w3.org
Geoff Chappell wrote:
> Are graph labels lost when assembling a background graph with WITH clause?
> E.g. what would I get for this query?
>
> SELECT ?src
> WITH <http://example.org/foaf/aliceFoaf> <http://example.org/foaf/bobFoaf>
> WHERE
> GRAPH ?src
> {
> ( ?x ?y ?z )
> }
>
> and what about this one - will it return any results?
>
> SELECT ?x
> FROM <http://example.org/foaf/aliceFoaf>
> WHERE
> ( ?x ?y ?z )
>
>
> If the graph labels are maintained, I see no distinction between FROM and
> WITH. If they're not, then example queries such as in 8.1 and 8.2 are pretty
> confusing and I'd suggest using explicit FROM/WITH.
>
> Geoff
>
Brief update: At the face-to-face meeting in Boston, the working group decided
to remove WITH and FROM from the query language. All matters relating to the
specification of the target dataset for the query is part of the protocol or
local API.
Andy
Received on Friday, 11 March 2005 17:45:11 UTC