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Re: fed query doc ready to review

From: Carlos Buil Aranda <cbuil@fi.upm.es>
Date: Fri, 28 Jan 2011 16:21:09 -0300
Message-ID: <4D431725.9030104@fi.upm.es>
To: Andy Seaborne <andy.seaborne@epimorphics.com>
CC: SPARQL Working Group <public-rdf-dawg@w3.org>

> Sure - what would you want to see added (the example is comparable in 
> size to that in the federated query doc).
>
> The evaluation is more directly than the service document which seems 
> to mix translation of synatx (e.g.
I was thinking in adding more about the semantics definition or formal 
syntax, but it does not fit with the current shape of the query 
document. And you also point that it is in the algebra section, so no need.
>
>  and I'd like to know if it is good to leave it as it is or it
>> is better to add something more.
>
> As far as I can see, there is no need for an explicit operation to 
> evaluate bindings - the query doc does the work during translation to 
> the algebra:
>
> http://www.w3.org/2009/sparql/docs/query-1.1/rq25.xml#sparqlAlgebraBindings 
>
>
> and there is special evaluation necessary because join() already works 
> on multisets.
Thanks and sorry, I did not see that.
>
>     Andy
>
>>
>> cheers,
>>
>> Carlos
>>
>
> BTW: The link 3.2 BINDINGS operator syntax points to the wrong place.
> and
>   4.4 BINGINGS Evaluation Semantics => BINDINGS
>
Fixed

Carlos
Received on Friday, 28 January 2011 19:22:11 GMT

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