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[protege-discussion] Reasoning an ontology: jess bridge limitations

Samson Tu swt at
Wed May 11 11:54:26 PDT 2011

No Developer has a value for MakeQuery property, and no  SQAConcept has 
HasQualityAttribute value. No rule should fire.


On 5/11/2011 1:21 AM, Nada Bajnaid wrote:
> Dear Samson, Timothy
> Thanks for your reply. I changed the name but still can not get inferred
> knowledge in my java code I tried using Jess bridge, creating
> protegeOWLReasoner but non works. I returned back to my ontology and try
> the Jess tab when I press OWL + SWRL -> Jess
> SWRL rule and relevant OWL knowledge successfully converted to Jess
> knowledge.
> Number of SWRL rules exported to Jess: 9
> Number of OWL classes exported to Jess: 58
> Number of OWL individuals exported to Jess: 130
> Number of OWL axioms exported to Jess: 69
> Look at the "Jess Rules" tab for the Jess rules.
> Look at the "Imported Jess Classes" tab for the Jess class definitions.
> Look at the "Imported Jess Properties" tab for the Jess property assertions.
> Look at the "Imported Jess Individuals" tab for the Jess individual
> assertions.
> Press the "Run Jess" button to run the Jess rule engine.
> Succesful execution of rule engine.
> Number of inferred axioms: 0
> Look at the "Inferred Axioms" tab to see the inferred axioms.
> Press the "Jess->OWL" button to translate the asserted facts to OWL
> knowledge.
> I attached my owl file it is a simple Software Quality Assurance
> ontology for learning. Each concept is mapped to a learning object and
> running the rule engine should creates other RelatedLearningObjects
> which never happened?!. Would you please check if I did anything wrong
> I really appreciate your help

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