W3C home > Mailing lists > Public > public-rdf-dawg@w3.org > July to September 2010

Re: SPARQL Update - meta data?

From: Lee Feigenbaum <lee@thefigtrees.net>
Date: Tue, 14 Sep 2010 09:15:39 -0400
Message-ID: <4C8F757B.2030802@thefigtrees.net>
To: Andy Seaborne <andy.seaborne@epimorphics.com>
CC: SPARQL Working Group <public-rdf-dawg@w3.org>
On 9/14/2010 5:11 AM, Andy Seaborne wrote:
>  From work in the UK Government Linked Data Project, there is discussion
> of sending around changes to graphs. Part of this is to include
> information to describe the change.
>
> One way is to use TriG files as bundles of graphs. Another is to use
> SPARQL Update but SPARQL Update is missing the ability to include meta
> data about the update request, or even link to meta about the request.
>
> Comments have traditionally been one way to do this but having a
> standard machine accessible way would be useful.
>
> Proposal:
>
> Add to the SPARQL Update format:
>
> META { ... }
>
> where an operation can go. All the META in a request are accumulated
> into a single graph (or dataset?). This RDF is just carried with the
> request and does not affect the execution.
>
> The contents of the META are grammar rule "TriplesBlock" without
> variables (or "Quads" without variables if it's a dataset.)
>
> Linking could be as simple as
>
> META { <> rdfs:seeAlso <http://example/other> }
>
> The choice of the word META was just taken from the style of HTML and RDFa.

This is not totally unlike: 
http://www.w3.org/2009/sparql/wiki/Feature:Pragmas right?

I'm hesitant to add something new at this point, though I think it is 
useful.

Lee


> Andy
Received on Tuesday, 14 September 2010 13:16:21 GMT

This archive was generated by hypermail 2.3.1 : Tuesday, 26 March 2013 16:15:43 GMT