Markus, speaking of this, it'll be great to hear you plans on query access to all the meta-data of the pages (so i can get rid of DPL extension ;)).


On Tue, Jun 24, 2008 at 9:49 AM, Markus Krötzsch <> wrote:
On Dienstag, 24. Juni 2008, Mark Fiers wrote:
> Hi,
> First of all, I like semantic mediawiki a lot! New to the semantic web and,
> being a biologist, not a computer scientist, this was the first app I saw
> that really opened my eyes to what might be possible. So, having said that:

Glad to hear that. We are always interested to learn about new applications
and use cases.

> I'm experimenting with the RAP Sparql endpoint, I want to run some queries
> on the data in my instance, and I noticed that no information on the
> category seems to be stored in the RAP backend.
> The Special:ExportRDF dump of a page nicely contains a link to the page
> category:
>    <rdf:type rdf:resource="http://..
> ../index.php/Special:URIResolver/Category-3ASome_Category"/>
> But even looking in the database underlying RAP, I cannot find a equivalent
> triple.
> Is this a bug or a feature? Is there a way around this?

This is a bug, or at least a known limitation. The upcoming SMW-Version takes
care of passing these triples to RAP as well, so the problem should go away
with the upcoming release (after the mandatory refresh). I did not try RAP in
the current SVN version yet, but it might actually work already. It might
also just cause some errors, so keep your working copy of SMW before trying



> with best regards
> Mark

Markus Krötzsch
Semantic MediaWiki

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