Examples of com.hp.hpl.jena.ontology.OntModel.createClass()

com.hp.hpl.jena.ontology.OntModel.createClass()

Answer a resource that represents an anonymous class description in this model. A new anonymous resource of rdf:type C, where C is the class type from the language profile.
@return An anonymous Class resource.

    String ns = "http://www.example.org/test#";


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


    OntClass C1 = model.createClass( ns + "C1" );
    OntClass C2 = model.createClass( ns + "C2" );


    DatatypeProperty p = model.createDatatypeProperty( ns + "p" );
    p.addRange( XSD.xboolean );


    C1.addSuperClass( model.createMinCardinalityRestriction( null, p, 2 ) );

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    DatatypeProperty p = model.createDatatypeProperty( ns + "p" );
    p.addRDFType( OWL.InverseFunctionalProperty );
    p.addRange( XSD.xboolean );


    OntClass C = model.createClass( ns + "C" );
    C.addSuperClass( model.createCardinalityRestriction( null, p, 1 ) );


    OntClass D = model.createClass( ns + "D" );
    OntClass E = model.createClass( ns + "E" );
    D.addDisjointWith( E );

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    p.addRange( XSD.xboolean );


    OntClass C = model.createClass( ns + "C" );
    C.addSuperClass( model.createCardinalityRestriction( null, p, 1 ) );


    OntClass D = model.createClass( ns + "D" );
    OntClass E = model.createClass( ns + "E" );
    D.addDisjointWith( E );


    Individual i1 = model.createIndividual( ns + "i1", C );
    i1.addRDFType( D );

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    OntClass C = model.createClass( ns + "C" );
    C.addSuperClass( model.createCardinalityRestriction( null, p, 1 ) );


    OntClass D = model.createClass( ns + "D" );
    OntClass E = model.createClass( ns + "E" );
    D.addDisjointWith( E );


    Individual i1 = model.createIndividual( ns + "i1", C );
    i1.addRDFType( D );
    Individual i2 = model.createIndividual( ns + "i2", C );

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    DatatypeProperty dp = model.createDatatypeProperty( ns + "dp" );
    dp.addRange( XSD.nonNegativeInteger );
    dp.convertToInverseFunctionalProperty();


    OntClass C = model.createClass( ns + "C" );
    C.addSuperClass( model.createMinCardinalityRestriction( null, dp, 1 ) );


    Individual a = model.createIndividual( ns + "a", C );
    Individual b = model.createIndividual( ns + "b", C );
    Individual c = model.createIndividual( ns + "c", C );

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


    DatatypeProperty dp = model.createDatatypeProperty( ns + "dp" );


    OntClass C = model.createClass( ns + "C" );
    Individual a = model.createIndividual( ns + "a", C );


    Literal one = model.createTypedLiteral( "1", TypeMapper.getInstance().getTypeByName(
        XSD.positiveInteger.getURI() ) );
    a.addProperty( dp, one );

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    OntModelSpec spec = new OntModelSpec( OntModelSpec.OWL_DL_MEM );
    spec.setReasoner( new PelletReasoner() );


    OntModel model = ModelFactory.createOntologyModel( spec, null );


    OntClass X = model.createClass( ns + "X" );
    ObjectProperty hasX = model.createObjectProperty( ns + "hasX" );
    OntClass AllX = model.createAllValuesFromRestriction( null, hasX, X );
    OntClass Y = model.createIntersectionClass( ns + "Y", model.createList( new RDFNode[] {
        X, AllX } ) );

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    ObjectProperty hasParent = model.createObjectProperty( ns + "hasParent" );
    // a parent is also a relative
    hasParent.addSuperProperty( hasRelative );


    OntClass cls = model.createClass( ns + "cls" );
    Individual a = cls.createIndividual( ns + "a" );
    Individual b = cls.createIndividual( ns + "b" );
    Individual c = cls.createIndividual( ns + "c" );
    Individual d = cls.createIndividual( ns + "d" );
    Individual e = cls.createIndividual( ns + "e" );

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  @Test
  public void testDatatypeProperties() {
    String ns = "urn:test:";


    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );
    OntClass Person = model.createClass( ns + "Person" );
    Individual john = model.createIndividual( ns + "JohnDoe", Person );
    DatatypeProperty email = model.createDatatypeProperty( ns + "email", false );


    john.addProperty( email, "john.doe@unknown.org" );
    john.addProperty( email, "jdoe@unknown.org" );

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  public void testDataPropCard1() {
    String ns = "urn:test:";


    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();

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