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Re: bNodes and properties (was: Re: evaluating SPARQL w.r.t an RDF query language survey)

From: Steve Harris <S.W.Harris@ecs.soton.ac.uk>
Date: Tue, 12 Apr 2005 12:18:34 +0100
To: RDF Data Access Working Group <public-rdf-dawg@w3.org>
Message-ID: <20050412111834.GA23806@login.ecs.soton.ac.uk>

On Tue, Apr 12, 2005 at 12:08:20 +0100, Andy Seaborne wrote:
> 
> 
> Dan Connolly wrote:
> ...
> >
> >hmm... why is [] no good? sparqler complains about...
> >select ?R where
> > { ?R [] [].
> > }
> >
> >I have only matched things that occur in the subject position.
> ....
> 
> bNodes are not currently allowed in the property position beause RDF 
> doesn't allow them there.  Maybe in queries (as variables) they should be.
> 
> Turtle does not allow bNodes in the property slot.  Comments?

I think we should stick to turtle where possible. Users can use un
selected variables there when they need that functionality.

- Steve
Received on Tuesday, 12 April 2005 11:18:40 GMT

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