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.

  public void testDataPropCard2() {
    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, "literal1" );
    x.addProperty( prop, "literal2" );
    x.addProperty( prop, "literal3" );

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    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );
    DatatypeProperty prop = model.createDatatypeProperty( ns + "prop" );
    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 );

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  public void testUniqueNameAssumption() {
    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();

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    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 ) );

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  @Test
  public void testDisjunction() {
    String ns = "urn:test:";
    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );


    OntClass A = model.createClass( ns + "A" );
    OntClass B = model.createClass( ns + "B" );
    OntClass notA = model.createComplementClass( null, A );
    OntClass notB = model.createComplementClass( null, B );
    OntClass AorB = model.createUnionClass( null, model.createList( new OntClass[] { A, B } ) );
    OntClass AorNotB = model.createUnionClass( null, model

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  public void testDisjunction() {
    String ns = "urn:test:";
    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );


    OntClass A = model.createClass( ns + "A" );
    OntClass B = model.createClass( ns + "B" );
    OntClass notA = model.createComplementClass( null, A );
    OntClass notB = model.createComplementClass( null, B );
    OntClass AorB = model.createUnionClass( null, model.createList( new OntClass[] { A, B } ) );
    OntClass AorNotB = model.createUnionClass( null, model
        .createList( new OntClass[] { A, notB } ) );

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  @Test
  public void testInvalidTransitivity() {
    OntModel ont = ModelFactory.createOntologyModel( OntModelSpec.OWL_MEM );


    OntClass C = ont.createClass( "C" );


    ObjectProperty p1 = ont.createObjectProperty( "p1" );
    p1.addRDFType( OWL.TransitiveProperty );


    ObjectProperty p2 = ont.createObjectProperty( "p2" );

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  @Test
  public void testInvalidComplexSubRole() {
    OntModel ont = ModelFactory.createOntologyModel( OntModelSpec.OWL_MEM );


    OntClass C = ont.createClass( "C" );


    ObjectProperty p1 = ont.createObjectProperty( "p1" );
    ObjectProperty p2 = ont.createObjectProperty( "p2" );


    RDFList pChain = ont.createList( new RDFNode[] { p1, p2 } );

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    f.addRange( XSD.xfloat );


    OntProperty d = model.createDatatypeProperty( ns + "d" );
    d.addRange( XSD.xdouble );


    OntClass C = model.createClass( ns + "C" );
    C.addSuperClass( model.createMinCardinalityRestriction( null, f, 5 ) );
    C.addSuperClass( model.createMinCardinalityRestriction( null, d, 5 ) );


    model.prepare();

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    for( ATermAppl uri : dtReasoner.listDataRanges() ) {
      OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );
      DatatypeProperty prop = model.createDatatypeProperty( ns + "prop" );
      Resource datatype = model.createResource( uri.getName() );
      prop.addRange( datatype );
      OntClass C = model.createClass( ns + "C" );
      int cardinality = datatype.equals( XSD.xboolean )
        ? 2
        : 10;
      C.addSuperClass( model.createCardinalityRestriction( null, prop, cardinality ) );
      model.createIndividual( ns + "x", C );

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