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Re: fed query BINDINGs

From: Carlos Buil Aranda <cbuil@fi.upm.es>
Date: Tue, 26 Apr 2011 15:48:13 +0200
Message-ID: <BANLkTimmOxyJHoMZJN2Li+XGUNAy+0LnWA@mail.gmail.com>
To: Lee Feigenbaum <lee@thefigtrees.net>
Cc: Axel Polleres <axel.polleres@deri.org>, SPARQL Working Group <public-rdf-dawg@w3.org>
I think a new example in the BINDINGS section showing the possibility of
using it with SERVICE would be good, along with Lee's description. Then I
can add more tests that use BINDINGS along with SERVICE and exemplify that
in a more detailed way.


2011/4/26 Lee Feigenbaum <lee@thefigtrees.net>

> On 4/26/2011 9:06 AM, Axel Polleres wrote:
>> So, what I rather think is that this section should show, is an example
>> how BINDINGS queries are used by an implementation to implement SERVICE,
>> i.e. given the original SERVICE query and what it boils down to when the
>> non-SERVICE part has been evaluated and is rewritten to a BINDINGS query...
>> makes sense?
> Rather than give an example which might imply a particular implementation
> strategy, I think it would be better to have the section simply say one or
> two sentences about the relationship here.
> """
> SPARQL 1.1 Query includes the BINDINGS clause (ref), which can be used to
> provide an unordered solution sequence which is joined with the results of
> query evaluation. Implementers of SPARQL 1.1 Federated Query may use the
> BINDINGS clause to constrain the results received from a remote endpoint
> based on solution bindings from evaluating other parts of the query.
> """
> I think this is straightforward and is inline with the text at
> http://www.w3.org/2009/sparql/docs/query-1.1/rq25.xml#bindings .
> Lee
Received on Tuesday, 26 April 2011 13:49:00 UTC

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