Jeff,
I don't know but it seems to work fine for me. I have tried it on the
KennedySPIN ontology that comes as part of the beta. Then, when I run
SELECT ?frConstraint
WHERE {
kennedys:Person spin:constraint ?frConstraint .
}
I correctly get two constraints, even though they are blank nodes.
It may be something specific with your ontology...
Holger
On Jan 7, 2009, at 11:01 AM, Schmitz, Jeffrey A wrote:
>
> Funny, but this doesn't work either (I get no results):
>
> SELECT ?prop ?frConstraint
> WHERE {
> Neutral:FailureRate ?prop ?frConstraint .
> FILTER (?prop = spin:constraint)
> }
>
>
> -----Original Message-----
> From: Schmitz, Jeffrey A
> Sent: Wednesday, January 07, 2009 12:54 PM
> To: [email protected]
> Subject: [tbc-users] SPARQL Query on spin:constraint weirdness
>
>
> Using TBC 3.0 beta, I have a class (Neutral:FailureRate) that I've
> attached a spin:constraint to. When I try to query for the constraint
> from the SPARQL tab with:
>
> SELECT ?frConstraint
> WHERE {
> Neutral:FailureRate spin:constraint ?frConstraint .
> }
>
> I get no result. However, when I use:
>
> SELECT ?prop ?frConstraint
> WHERE {
> Neutral:FailureRate ?prop ?frConstraint .
> ?frConstraint a sp:Ask
> }
>
> I get a result, with ?prop being assigned "spin:constraint". I don't
> understand why the first query doesn't return the constraint. Any
> ideas? Does it have to do with the Ask query being an anonymous mode?
>
> Thanks
> Jeff
>
>
>
> >
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