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Re: writing a triple filter?

From: Kendall Clark <kendall@monkeyfist.com>
Date: Fri, 5 Aug 2005 17:18:56 -0400
To: Dave Beckett <Dave.Beckett@bristol.ac.uk>
Cc: DAWG Mailing List <public-rdf-dawg@w3.org>
Message-ID: <20050805211856.GA13474@monkeyfist.com>

On Fri, Aug 05, 2005 at 10:11:18PM +0100, Dave Beckett wrote:
> On Fri, 2005-08-05 at 15:02 -0400, Kendall Clark wrote:
> > Dogs,
> > 
> > How do I say, in a CONSTRUCT query, that if there's a triple T in the
> > solution set, I don't want it in the output graph? I thought something like
> > FILTER fn:not(T), but that doesn't work in the WHERE clause. But that
> > doesn't seem to be legal.
> > 
> > Do we have any functions that operate on triples?
> 
> No, only functions on RDF Terms and XQuery terms.  

Yep, I figured that out right after asking the (dumb) question. However...

> You can't do anything
> with a graph-pattern-matched or constructed triple, such as bind it to a
> variable so there's no way to use one in an expression. 

I don't remember this part of the design being discussed. Was it?

Kendall Clark
Received on Friday, 5 August 2005 21:21:04 GMT

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