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Re: Triple stores with RDFS inferencing

From: Michael Lang(Jr.) <michaelallenlang@gmail.com>
Date: Tue, 19 May 2009 14:32:29 -0400
Message-ID: <59c1f5620905191132t545e9412r87857110c3c0ff6a@mail.gmail.com>
To: Toby A Inkster <tai@g5n.co.uk>
Cc: Semantic Web <semantic-web@w3.org>
I believe Mulgara <http://www.mulgara.org> has everything you are looking
for with the exception of SPARQL Update
(updates can be done using the proprietary TQL language).  I am not exactly
sure what
level of inference you are looking for, though.  Nothing in Mulgara
happens automatically, you have to manually apply the rules to run RDFS
inference (and re-run them any time the data changes).

Knoodl <http://www.knoodl.com> uses Mulgara as its back-end triple store.  I
am not an expert in it, but some of our developers are, if you have any
specific questions.

Mike Lang
Revelytix, Inc.

phone: 410-584-0009 (office)
          443-928-3782 (cell)
skype: michael.allen.lang.jr
aim: MikeJrRevelytix

On Tue, May 19, 2009 at 2:06 PM, Toby A Inkster <tai@g5n.co.uk> wrote:

> I'm looking for a triple store for a project. It needs to support the
> following:
>  * SPARQL support. SPARQL Update would be nice.
>  * RDFS inferencing. OWL is not required, but would be a bonus.
>    e.g. SELECT * WHERE { ?resource a ex:Class . }
>    should also return instances of subclasses of ex:Class.
>  * Web API. Preferably supporting SPARQL Protocol.
> Right now it looks like the combination of Jena+Joseki will meet my needs
> the best, but I'd be interested to hear others' opinions on good tools to
> try.
> Would Virtuoso do the job? Can it do inferencing?
> The dataset I'm hoping to use will be in the order of tens, perhaps
> hundreds of thousands of triples - probably not into the millions, so
> performance is probably not going to be the deciding factor.
> --
> Toby A Inkster
> <mailto:mail@tobyinkster.co.uk>
> <http://tobyinkster.co.uk>
Received on Tuesday, 19 May 2009 18:33:04 UTC

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