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From: Orri Erling <erling@xs4all.nl>
Date: Tue, 10 Mar 2009 09:03:59 +0100
Message-Id: <200903100804.n2A84kIv008467@smtp-vbr5.xs4all.nl>
To: "'Seaborne, Andy'" <andy.seaborne@hp.com>, "'Lee Feigenbaum'" <lee@thefigtrees.net>, "'SPARQL Working Group'" <public-rdf-dawg@w3.org>


I would suggest that we take, as an informal goal statement of this
iteration of the SPARQL process to make SPARQL at least capable of
expressing the TPC H workload.

If we are to make the web into a database, then this database should at the
minimum provide the level of querying that people have come to take for
granted in the relational world.

Further, in the context of mapping SPARQL to SQL for on the fly integration
of data sources, the proposition is sort of a non starter if the
expressivity that any business intelligence person would take as the minimum
to be expected is not present or depends on vendor-specific extensions.

In terms of the proposed features, this goal would be met by inclusion  of
projection expressions, subselects, negation, aggregation and grouping.

Received on Tuesday, 10 March 2009 08:10:55 UTC

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