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Re: rdf dataset parameters in protocol for sparql update

From: Axel Polleres <axel.polleres@deri.org>
Date: Sun, 21 Aug 2011 11:56:53 +0100
Cc: "SPARQL Working Group" <public-rdf-dawg@w3.org>
Message-Id: <3418CB72-2BAA-427A-993B-75D9797FF122@deri.org>
To: Lee Feigenbaum <lee@thefigtrees.net>
sounds ok to me.

best,
Axel

On 21 Aug 2011, at 05:33, Lee Feigenbaum wrote:

> If there are no questions or comments, I'd like to propose on Tuesday
> that we resolve this question as per the below email.
> 
> So please let me know what you think!
> 
> Lee
> 
> On 8/15/2011 10:11 PM, Lee Feigenbaum wrote:
> > 1/ The parameters are called using-graph-uri and using-named-graph-uri
> >
> > 2/ If at least one value for one of the parameters is present, then the
> > protocol parameters fully define the RDF dataset that is used for the
> > query pattern matching (WHERE clause) of all operations in the update
> > request. That is, they fully replace all USING and USING NAMED clauses
> > in the request's operations.
> >
> > A third way of stating this: the semantics of including at least one of
> > using-graph-uri and using-named-graph-uri is the equivalent of doing the
> > following:
> >
> > A) Remove all USING clauses from the request.
> > B) Remove all USING NAMED clauses from the request.
> > C) For each using-graph-uri=u in the protocol request
> > For each INSERT/DELETE/INSERT DELETE operation in the request
> > Add "USING u" to the operation
> > D) For each using-named-graph-uri=u in the protocol request
> > For each INSERT/DELETE/INSERT DELETE operation in the request
> > Add "USING NAMED u" to the operation
> >
> >
> > Protocol says nothing further about the semantics of these parameters --
> > everything else is based on the semantics already given for USING and
> > USING NAMED in SPARQL 1.1 Update. This includes things like whether
> > "USING x" mentioned repeatedly in an update request refers to a mutable
> > graph or a graph as retrieved from the Web; this includes things like
> > the interaction between these parameters and WITH.
> >
> > Our options at this point:
> >
> > + Discuss any questions
> > + Consider any alternative proposals
> > + Consider dropping these parameters altogether
> > + Consider adopting this proposal
> >
> > Lee
> 
> 
Received on Sunday, 21 August 2011 10:57:33 GMT

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