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[protege-owl] SQWRL query help needed

Martin O'Connor martin.oconnor at stanford.edu
Mon Oct 27 10:43:28 PDT 2008


Quoting Przemek W <teonacatl at tlen.pl>:

>
> Yes. I've realised that. But what should I use instead?

What about:

wine:Wine(?wine:x)  ∧  wine:hasSugar(?wine:x, ?y) ^ wine:Dry(?y)→
sqwrl:select(?wine:x),


> And btw I have another question: Can these queries return answers ONLY about
> assertions? I've just realised that, when running the query it returns the
> correct answers, if they were originaly defined in the Ontology. For example
> there's just one kind of White Wine, and query's result is THAT ONE
> PARTICULAR wine(which is OK, i think?). But after running reasoner, there
> appear to be many more INFERRED White Wines(marked in hierarchy as blue).
> But query still returns THE SAME ONE white wine.


SQWRL does not currently return reasoner-inferred knowledge. I plan to  
fix this shortcoming in the next few months.

Martin



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