- From: Dan Connolly <connolly@w3.org>
- Date: Mon, 21 Mar 2005 16:43:22 -0600
- To: RDF Data Access Working Group <public-rdf-dawg@w3.org>
Bob write:
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First, I am assuming that the
following query returns no bindings:
SELECT ?x ?y
WHERE { ?book dc10:title ?x }
I shouldn't since it doesn't refer to OPTIONAL or UNION within the query, and the
spec cites those as prerequisites for allowing unbound values.
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http://lists.w3.org/Archives/Public/public-rdf-dawg-comments/2005Mar/0048.html
but I don't see it that way... my reading of
http://www.w3.org/2001/sw/DataAccess/rq23/#select
is that SELECT (i.e. projection) doesn't cause solutions
to get rejected. The ?y is just noise.
Would somebody please add this as a test case? EricP?
--
Dan Connolly, W3C http://www.w3.org/People/Connolly/
D3C2 887B 0F92 6005 C541 0875 0F91 96DE 6E52 C29E
Received on Monday, 21 March 2005 22:43:24 UTC