Examples of com.hp.hpl.jena.ontology.Individual

com.hp.hpl.jena.ontology.Individual

Interface that encapsulates an individual in an ontology, sometimes referred to as a fact or assertion, or a member of the a-box. In order to be recognised as an individual, rather than a generic resource, at least one rdf:type statement, referring to a known class, must be present in the model.


    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );
    DatatypeProperty prop = model.createDatatypeProperty( ns + "prop" );
    OntClass C = model.createClass( ns + "C" );
    C.addSuperClass( model.createCardinalityRestriction( null, prop, 2 ) );
    Individual x = model.createIndividual( ns + "x", C );
    x.addProperty( prop, "literal" );


    model.prepare();


    assertTrue( ((PelletInfGraph) model.getGraph()).isConsistent() );
  }

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    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );
    DatatypeProperty prop = model.createDatatypeProperty( ns + "prop" );
    OntClass C = model.createClass( ns + "C" );
    C.addSuperClass( model.createCardinalityRestriction( null, prop, 2 ) );
    Individual x = model.createIndividual( ns + "x", C );
    x.addProperty( prop, "literal1" );
    x.addProperty( prop, "literal2" );
    x.addProperty( prop, "literal3" );


    assertTrue( !model.validate().isValid() );
  }

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    DatatypeProperty sub = model.createDatatypeProperty( ns + "sub" );
    sub.addSuperProperty( prop );


    OntClass C = model.createClass( ns + "C" );
    C.addSuperClass( model.createCardinalityRestriction( null, prop, 2 ) );
    Individual x = model.createIndividual( ns + "x", C );


    Literal val1 = model.createLiteral( "val1" );
    x.addProperty( prop, val1 );
    Literal val2 = model.createLiteral( "val2" );
    x.addProperty( sub, val2 );


    assertTrue( model.validate().isValid() );


    assertPropertyValues( model, x, prop, val1, val2 );
  }

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    String ns = "urn:test:";


    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );


    OntClass Country = model.createClass( ns + "Country" );
    Individual USA = model.createIndividual( ns + "USA", Country );
    Individual UnitedStates = model.createIndividual( ns + "UnitedStates", Country );


    OntProperty livesIn = model.createObjectProperty( ns + "livesIn" );
    livesIn.convertToFunctionalProperty();


    OntClass Person = model.createClass( ns + "Person" );
    Individual JohnDoe = model.createIndividual( ns + "JohnDoe", Person );
    JohnDoe.addProperty( livesIn, USA );
    JohnDoe.addProperty( livesIn, UnitedStates );


    assertTrue( model.contains( JohnDoe, RDF.type, Person ) );
    assertTrue( model.contains( USA, OWL.sameAs, UnitedStates ) );
    assertIteratorValues( model.listObjectsOfProperty( JohnDoe, livesIn ), new Resource[] {
        USA, UnitedStates } );

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    model.prepare();


    assertTrue( ((PelletInfGraph) model.getGraph()).getKB().isConsistent() );


    Individual jdl62 = model.getIndividual( ns + "JDL_00062" );
    Individual jdl63 = model.getIndividual( ns + "JDL_00063" );


    assertTrue( jdl62.isSameAs( jdl63 ) );
    assertTrue( jdl63.isSameAs( jdl62 ) );


    assertIteratorValues( jdl62.listSameAs(), new Resource[] { jdl62, jdl63 } );


    assertIteratorValues( jdl63.listSameAs(), new Resource[] { jdl62, jdl63 } );


    model.getDocumentManager().setProcessImports( true );
    // ((PelletInfGraph) model.getGraph()).getKB().timers.print();
  }

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    assertTrue( model.validate().isValid() );


    OntClass ThingWithFloatValue = model.getOntClass( ns + "ThingWithFloatValue" );
    OntClass ThingWithFloatProbability = model.getOntClass( ns + "ThingWithProbabilityValue" );


    Individual exampleThingWithFloatValue = model.getIndividual( ns
        + "exampleThingWithFloatValue" );
    Individual exampleThingWithFloatProbability = model.getIndividual( ns
        + "exampleThingWithProbabilityValue" );


    assertTrue( ThingWithFloatValue.hasSubClass( ThingWithFloatProbability ) );
    assertTrue( !ThingWithFloatProbability.hasSubClass( ThingWithFloatValue ) );


    assertTrue( exampleThingWithFloatValue.hasRDFType( ThingWithFloatValue ) );
    assertTrue( !exampleThingWithFloatValue.hasRDFType( ThingWithFloatProbability ) );


    assertTrue( exampleThingWithFloatProbability.hasRDFType( ThingWithFloatValue ) );
    assertTrue( exampleThingWithFloatProbability.hasRDFType( ThingWithFloatProbability ) );
  }

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    OntClass ThingWithDecimalValue = model.getOntClass( ns + "ThingWithDecimalValue" );
    OntClass ThingWithDecimalProbability = model.getOntClass( ns
        + "ThingWithDecimalProbability" );
    OntClass ThingWithIntegerValue = model.getOntClass( ns + "ThingWithIntegerValue" );


    Individual exampleThingWithDecimalValue = model.getIndividual( ns
        + "exampleThingWithDecimalValue" );
    Individual exampleThingWithDecimalProbability = model.getIndividual( ns
        + "exampleThingWithDecimalProbability" );


    assertTrue( ThingWithDecimalValue.hasSubClass( ThingWithIntegerValue ) );
    assertTrue( ThingWithDecimalValue.hasSubClass( ThingWithDecimalProbability ) );


    assertTrue( exampleThingWithDecimalValue.hasRDFType( ThingWithDecimalValue ) );


    assertTrue( exampleThingWithDecimalProbability.hasRDFType( ThingWithIntegerValue ) );
    assertTrue( exampleThingWithDecimalProbability.hasRDFType( ThingWithDecimalProbability ) );
    assertTrue( exampleThingWithDecimalProbability.hasRDFType( ThingWithDecimalValue ) );


    assertTrue(!ThingWithDecimalValue.hasSuperClass(ThingWithIntegerValue));
    assertTrue(!ThingWithIntegerValue.hasSubClass(ThingWithDecimalProbability));
  }

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        XSD.integer, "77", XSD.xlong, "214", XSD.negativeInteger, "-123",
        XSD.nonNegativeInteger, "2", XSD.nonPositiveInteger, "0", XSD.positiveInteger,
        "500", XSD.xshort, "476", XSD.xstring, "Test", XSD.time, "13:02:00", };


    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );
    Individual ind = model.createIndividual( ns + "test", OWL.Thing );
    for( int i = 0; i < datatypes.length; ) {
      Resource datatype = (Resource) datatypes[i++];
      OntProperty p = model.createDatatypeProperty( ns + "prop_" + datatype.getLocalName() );
      p.addRange( datatype );


      while( i < datatypes.length && datatypes[i] instanceof String ) {
        Literal value = model.createTypedLiteral( (String) datatypes[i], datatype.getURI() );
        ind.addProperty( p, value );
        i++;
      }
    }


    model.prepare();

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        Resource datatype = (Resource) datatypes[i++];


        while( i < datatypes.length && datatypes[i] instanceof String ) {
          OntModel model = ModelFactory
              .createOntologyModel( PelletReasonerFactory.THE_SPEC );
          Individual ind = model.createIndividual( ns + "test", OWL.Thing );


          OntProperty p = model.createDatatypeProperty( ns + "prop_"
              + datatype.getLocalName() );
          if( addRangeRestriction ) {
                      p.addRange( datatype );
                    }


          Literal value = model.createTypedLiteral( (String) datatypes[i], datatype
              .getURI() );
          ind.addProperty( p, value );


          assertFalse( value.getLexicalForm() + " should not belong to "
              + datatype.getLocalName(), model.validate().isValid() );
          i++;
        }

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      OntProperty p = model.createDatatypeProperty( ns + "prop" );
      p.addRange( datatype );


      int start = i;
      while( i < datatypes.length && datatypes[i] instanceof String ) {
        Individual ind = model.createIndividual( ns + "testInd" + i, OWL.Thing );
        Literal value = model.createTypedLiteral( (String) datatypes[i], datatype.getURI() );
        ind.addProperty( p, value );


        OntClass c = model.createClass( ns + "testCls" + i );
        c.addEquivalentClass( model.createHasValueRestriction( null, p, value ) );


        i++;

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