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Re: SPARQL: which features now, which features later for RDF Data Access?

From: Adrian Walker <adrianw@snet.net>
Date: Tue, 05 Apr 2005 09:55:20 -0400
Message-Id: <>
To: Dan Connolly <connolly@w3.org>
Cc: public-rdf-dawg-comments@w3.org, www-rdf-rules@w3.org

Dan --

How many of the 14 test questions in [1] does the current SPARQL spec cover ?

I ask, because it's rather easy to do that test set in an end-user-friendly 
way with rules [2].

                         Cheers,  -- Adrian

[1]  A Comparison of RDF Query Languages
              by Peter Haase, Jeen Broekstra, Andreas Eberhart, and Raphael 

[2]  http://www.reengineeringllc.com/demo_agents/RDFQueryLangComparison1.agent

At 05:20 PM 3/25/2005 -0600, you wrote:

>Thanks for all the careful review and comments on the SPARQL
>drafts, everybody. But several of them are more about
>requirements than design... we should add this feature because
>it's really important... or drop that one because our design
>isn't cooked and we should try again later. So before we claim
>victory (i.e last call) on the design, we'd like to get another round
>of comments on the use cases and requirements...
>RDF Data Access Use Cases and Requirements
>W3C Working Draft 25 March 2005
>         http://www.w3.org/TR/2005/WD-rdf-dawg-uc-20050325/
>Status of This Document
>Since the October 2004 draft of this document, the RDF Data Access
>Working Group has
>       * adopted a WSDL requirement and a sorting objective (see change
>         log for details)
>       * postponed some design issues to a future version due to lack of
>         implementation and design experience (cascadedQueries,
>         accessingCollections)
>       * changed our approach to the Human-friendly Syntax objective (see
>         issue punctuationSyntax and upcoming design document revisions)
>We invite feedback on which features are required for a first version of
>SPARQL and which should be postponed in order to expedite deployment of
>others. Please send comments to public-rdf-dawg-comments@w3.org, a
>mailing list with a public archive.
>This document has been produced by the RDF Data Access Working Group,
>along with three design documents: SPARQL Query Language for RDF, SPARQL
>Protocol for RDF, and SPARQL Variable Binding Results XML Format. This
>work is part of the Semantic Web Activity in the W3C Technology &
>Society Domain.
>Dan Connolly, W3C http://www.w3.org/People/Connolly/
>D3C2 887B 0F92 6005 C541  0875 0F91 96DE 6E52 C29E
Received on Tuesday, 5 April 2005 13:55:35 UTC

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