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[protege-owl] re asener that support constraints
back_to_basic_69 at hotmail.com
Sat May 10 07:59:10 PDT 2008
if you say that the jess back end in the swrltab supports a constraint with
an empty head
then I probably don't understand how constraints have to be interpreted.
So I give an example and if you could say it is correct or not (and what I
should be) that would be great.
The example is very similar to what I want:
2 Classes: Class1 and Class2
2 properties: hasClass2a and hasClass2b both have domain Class1 and range
I want to say in the constraint: an individual of Class1 can have a
connection to Class2 via 'hasClass2a' and 'hasClass2b', but the individuals
it connects to have to be different.
So it looks to me a SWRL constraint with an empty head:
Class1(?x) and Class1(?y) and sameAs(?x,?y) and hasClass2a(?x,?z) and
and sameAs(?z,?a) -->
Is this correct?
If it is why doesn't the reasoner react to any breach of the constraint.
Martin O'Connor wrote:
> The Jess back end does not support all OWL axioms when reasoning. cf.
> It does support sameAs, however.
> Pellet supports all OWL axioms when reasoning but does not fully
> support SWRL yet, though it is pretty close and should ultimately have
> the most comprehensive SWRL support. As far I as know, Fact++ does not
> have SWRL support. RacerPro has very limited support for a SWRL-like
> language. The JessTab knows nothing about SWRL.
> Quoting bassiee <back_to_basic_69 at hotmail.com>:
>> does jess reason constraints in the SWRLJessTab?
>> to be clear with a constraint I mean:
>> ClassA(?a) and hasproperty(?a,?b) and hasproperty(?a,?c) and
>> If not, with reasoner does?
>> pellet, racer pro, fact++, jess tab
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