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.

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


    String ns = "urn:test:";


    OntClass C1 = model.createClass( ns + "C1" );
    OntClass C2 = model.createClass( ns + "C2" );
    
    C1.addSubClass( C2 );
    
    Individual ind = model.createIndividual( ns + "ind", C2 );

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


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


      Resource C = model.createClass(ns + "C");


      Property p = model.createObjectProperty(ns + "p");


      Resource i1 = model.createResource(ns + "i1");
      Resource i2 = model.createResource(ns + "i2");

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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 testHasKey1() {
    String ns = "http://www.example.org#";
    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );


    Resource C = model.createClass( ns + "C" );
    Resource i = model.createResource( ns + "i" );
    Resource j = model.createResource( ns + "j" );
    Resource k = model.createResource( ns + "k" );
    Property p = model.createObjectProperty( ns + "p" );
    RDFList list = model.createList( new RDFNode[] { p } );

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  @Test
  public void testHasKey2() {
    String ns = "http://www.example.org#";
    OntModel model = ModelFactory.createOntologyModel( PelletReasonerFactory.THE_SPEC );


    Resource C = model.createClass( ns + "C" );
    Resource i = model.createResource( ns + "i" );
    Resource j = model.createResource( ns + "j" );
    Resource k = model.createResource( ns + "k" );
    Resource l = model.createResource( ns + "l" );
    Property p1 = model.createObjectProperty( ns + "p1" );

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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 testHasValueReasoning() {
    String ns = "urn:test:";
    OntModelSpec spec = new OntModelSpec( OntModelSpec.OWL_DL_MEM );
    spec.setReasoner( new PelletReasoner() );
    OntModel model = ModelFactory.createOntologyModel( spec, null );
    OntClass HomeOwner = model.createClass( ns + "HomeOwner" );
    Individual bob = model.createIndividual( ns + "bob", HomeOwner );
    ObjectProperty hasNeighbor = model.createObjectProperty( ns + "hasNeighbor" );
    OntClass NeighborOfBob = model.createClass( ns + "NeighborOfBob" );
    NeighborOfBob
        .addEquivalentClass( model.createHasValueRestriction( null, hasNeighbor, bob ) );

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    spec.setReasoner( new PelletReasoner() );
    OntModel model = ModelFactory.createOntologyModel( spec, null );
    OntClass HomeOwner = model.createClass( ns + "HomeOwner" );
    Individual bob = model.createIndividual( ns + "bob", HomeOwner );
    ObjectProperty hasNeighbor = model.createObjectProperty( ns + "hasNeighbor" );
    OntClass NeighborOfBob = model.createClass( ns + "NeighborOfBob" );
    NeighborOfBob
        .addEquivalentClass( model.createHasValueRestriction( null, hasNeighbor, bob ) );
    Individual susan = model.createIndividual( ns + "susan", HomeOwner );
    susan.setPropertyValue( hasNeighbor, bob );
    // model.write(System.out, "RDF/XML-ABBREV");

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