On 17/09/16 22:31, javed khan wrote:
The error goes away but the rules does not work i-e I can not find the rdf
type of GoodUser/GoodStudent.
Also after result display, it gives me some exception .

Exception in thread "AWT-EventQueue-0"
com.hp.hpl.jena.reasoner.rulesys.Rule$ParserException: Triple with 4 nodes!
At '[ rule1: ( ?x http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.semanticweb.org/t/ontologies/2016/7/myOWL#User ) (
http://www.semanticweb.org/t/ontologies/2016/7/myOWL#User
http://www.semanticweb.org/t/ontologies/2016/7/myOWL#score ?score + ) '

Look closely at the line above. You can see that there's a spurious "+" character in your string.

Dave


On Sat, Sep 17, 2016 at 12:15 PM, javed khan <javedbtk...@gmail.com> wrote:

String rule="[rule1:(?x   http://www.w3.org/1999/02/22-rdf-syntax-ns#type
 http://www.semanticweb.org#Student) " +

         "( http://www.semanticweb.org#Student
http://www.semanticweb.org#GPA  ?gpa    )   +  greaterThan(?gpa, 3)

         " ->  (?x   http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.semanticweb.org#GoodUser )]";

GPA is a data property here, but it gives me error. I think the error is
in greaterThan(?score, 10)

What is the error ?



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