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[protege-dev] inference engine and rules

Lorenz B. buehmann at informatik.uni-leipzig.de
Wed Jan 4 02:59:41 PST 2017


Ok, so far you have code that checks via SQWRL query for an existing
mention of Martin. And what doesn't work now?

> Sorry because maybe I ask a not a clear question for you. 
> I'm not an expert in protege and ontology. I'm a beginner, so what I know
> exactly is: 
> after creating an ontology and insert some individuals I create some SWRL
> rules in SWRLTAB in protege and execute them with drools that is integrated
> in protege. Then I created a Java application. I find the only manner to
> interact with ontology is through a query language (SPARQL and SQWRL). Here
> I found that this manner is not intelligent. 
> See this scenario. 
> through my Java application I add student (Martin, who has noted 16 in
> English) in my ontology. here I want to know the mention of Martin that I
> add him recently.
> my ontology contains a swrl rule which is well executed and give me a
> correct answer for the unregistered student. Martin I have added it
> recently, so when I want to execute this rule another time I should go to
> protege and SWRLTAB and execute it. which I found it a bit boring and
> intelligent. And normal users do not know protege and ontology and.... 
> he just adds a student to the base and then want to know the mention of him. 
> student(?s)
> ^englishscore(?sc)^hasscore(?s,?sc)^hasvalue(?sc,?m)^swrlb:greaterThan(?m,10)->has-mention(?s,verygood). 
> this is an example of sqwrl:
>  
> *package these;
> import java.io.IOException;
>
>
> import javax.swing.JOptionPane;
>
> import org.semanticweb.owlapi.apibinding.OWLManager;
> import org.semanticweb.owlapi.model.IRI;
> import org.semanticweb.owlapi.model.OWLOntology;
> import org.semanticweb.owlapi.model.OWLOntologyCreationException;
> import org.semanticweb.owlapi.model.OWLOntologyManager;
> import org.swrlapi.factory.SWRLAPIFactory;
> import org.swrlapi.parser.SWRLParseException;
> import org.swrlapi.sqwrl.SQWRLQueryEngine;
> import org.swrlapi.sqwrl.SQWRLResult;
> import org.swrlapi.sqwrl.exceptions.SQWRLException;
>
> public class Interrogations {
>
> 	private static String Message ="";
>
> 	//private final static String fileOwl = "D:/university.owl";
> 		public static void main (String[] args) {
> 				try {
> 					
> 	    	IRI documentIRI = IRI.create("file:///D:/personne.owl");
>     	OWLOntologyManager manager = OWLManager.createOWLOntologyManager();
>         OWLOntology ontology =
> manager.loadOntologyFromOntologyDocument(documentIRI);
>       
> 		 SQWRLQueryEngine queryEngine =
> SWRLAPIFactory.createSQWRLQueryEngine(ontology);
> 		
> 	 SQWRLResult result = queryEngine.runSQWRLQuery("q1","student(Martin) ^
> mention(?m)^has-mention(Martin,?m)->sqwrl:select(?m) ");
> 	 		 while (result.next()) {
> 	 			
> 	 			System.out.println("Mention: " + result.getNamedIndividual("m"));
> 	 		
> Message+=result.getNamedIndividual("m").toString()+result.getNamedIndividual("p").toString()+"\n";
> 	 			//Dispalynig.addRowTable(new Object[]{ result.getNamedIndividual("m"),
> result.getNamedIndividual("p")});
> 	 			
> 		 }
> 	 		JOptionPane jop1 = new JOptionPane();
> 	 		   jop1.showMessageDialog(null, Message,  null,
> JOptionPane.WARNING_MESSAGE);
> 				}	
> 	catch (OWLOntologyCreationException e) {
> 	      System.err.println("Error creating OWL ontology: " + e.getMessage());
> 	      System.exit(-1);
> 	    } catch (SWRLParseException e) {
> 	      System.err.println("Error parsing SQWRL query: " + e.getMessage());
> 	      System.exit(-1);
> 	    } catch (SQWRLException e) {
> 	      System.err.println("Error running SQWRL query: " + e.getMessage());
> 	      System.exit(-1);
> 	    } catch (RuntimeException e) {
> 	      System.err.println("Error starting application: " + e.getMessage());
> 	      System.exit(-1);
> 	    }
>
> 	}
> 	
> 	
> 	
> 	
> }*
>
> if you have any idea to help me please tell me it 
> Thank you very much 
>
>
>
>
>
> --
> View this message in context: http://protege-project.136.n4.nabble.com/inference-engine-and-rules-tp4667237p4667242.html
> Sent from the Protege Developer mailing list archive at Nabble.com.
> _______________________________________________
> protege-dev mailing list
> protege-dev at lists.stanford.edu
> https://mailman.stanford.edu/mailman/listinfo/protege-dev
>
-- 
Lorenz Bühmann
AKSW group, University of Leipzig
Group: http://aksw.org - semantic web research center

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