[Pellet-users] PRONTO: usage in applications
robocop
r.coppi at gmail.com
Thu May 15 11:03:52 UTC 2008
You're right Pavel. The problem was one URI I missed to change in the
probabilistic ontology. Now I got the same results of the batch example.
Thank you very much for the help!
Rob
Pavel Klinov ha scritto:
> Rob,
>
> It seems to me that the problem is in the URIs. More precisely,
> classes mentioned in your probabilistic part can't be found in the
> classical part (due to wrong URIs) which automatically makes all of
> them unsatisfiable (from the point of view of Pellet).
> Unfortunately, the released version of Pronto doesn't check that. I
> noted that problem a while ago and the new version (being prepared)
> will check and report any problems like that on loading.
>
> To verify my conjecture you can stop the debugger after loading the
> PKB and see if classical KB (available through:
> pkb.getPTBox().getClassicalKnowledgeBase()) contains classes in your
> conditional constraints (calling isSatisfiable() should be enough).
> Let me know if I'm wrong.
>
> Hope that helps,
> --pavel
>
> robocop wrote:
>> Hi all,
>> I'm trying to use pronto in a sample java application, so I tried to
>> redo the examples in the Pronto release package through java code
>> (below) but I always got ontology inconsistency:
>> Exception in thread "main"
>> com.clarkparsia.pronto.exceptions.ProbabilisticInconsistencyException:
>> Ontology is generally inconsistent
>> at
>> com.clarkparsia.pronto.ProntoLexicographicReasoner.tightLexicographicEntailment(ProntoLexicographicReasoner.java:270)
>>
>> at
>> com.clarkparsia.pronto.ProntoLexicographicReasoner.subsumptionEntailment(ProntoLexicographicReasoner.java:126)
>>
>> at it.robocop.pronto.Demo.main(Demo.java:51)
>>
>> The ontologies (classical and probabilistic) are the same one of the
>> examples (I have only changed the uri reference in the owl:import due
>> to the path change). Clearly, the example batch fine work fine and I
>> got the results. Why?
>>
>> I report the important code in my main:
>> ProbKnowledgeBase pkb = new KBStandaloneLoader().load(FILE_PREFIX +
>> "cancer_cc.owl");
>> ProntoLexicographicReasoner reasoner = new
>> ProntoLexicographicReasoner(new PSATSolverImpl());
>>
>> reasoner.subsumptionEntailment(pkb,
>> ATermUtils.makeTermAppl(URI_PREFIX + "AshkenaziJewishWoman"),
>> ATermUtils.makeTermAppl(URI_PREFIX + "WomanWithBRCInLongTerm"));
>> System.out.println(reasoner.explainLastEntailment());
>>
>> reasoner.membershipEntailment(pkb, ATermUtils.makeTermAppl(URI_PREFIX
>> + "Helen"), ATermUtils.makeTermAppl(URI_PREFIX +
>> "WomanUnderTripleIncreasedBRCRisk"));
>> System.out.println(reasoner.explainLastEntailment());
>>
>> Any help?
>> Rob
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