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Re: Failed to port datastore to RDF, will go Mongo

From: William Waites <ww@styx.org>
Date: Thu, 25 Nov 2010 00:19:54 +0100
To: Toby Inkster <tai@g5n.co.uk>
Cc: Ben O'Steen <bosteen@gmail.com>, Kingsley Idehen <kidehen@openlinksw.com>, public-lod@w3.org, Friedrich Lindenberg <friedrich@pudo.org>
Message-ID: <20101124231954.GV60158@styx.org>
* [2010-11-24 22:44:53 +0000] Toby Inkster <tai@g5n.co.uk> écrit:
] 
] Or, to put a different slant on it: a competent developer who has spent
] years using SQL databases day-to-day finds it easier to use SQL and the
] relational data model than a different data model and different query
] language that he's spent a few days trying out.

I don't think that's what's happening here, or at least not
entirely. People coming from a RDB background expect things like SUM,
COUNT, INSERT, DELETE, not to mention GROUP BY to work. But SPARQL 1.1
is still very new, each store implements them in slightly different
ways with slightly different syntax, sometimes requiring workarounds
in application code. With RDBs we have good libraries for abstracting
away these differences. We still require people to pay a lot closer
attention to what the underlying plumbing is and how it works (and if
the binary package they got with their OS might be out of date or has
to be compiled from source or even patched - the horror!). These
things prevent people from getting on with what they see as the task
at hand. 

Cheers,
-w
-- 
William Waites
http://eris.okfn.org/ww/foaf#i
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Received on Wednesday, 24 November 2010 23:20:24 UTC

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