/** * creates a data property assertion (without checking any vocabulary) * * @return null if it is top data property ([D4], @see OntologyFactoryImpl) * @throws InconsistentOntologyException if it is the bottom data property ([D4], @see OntologyFactoryImpl) */ @Override public DataPropertyAssertion createDataPropertyAssertion(String propertyName, ObjectConstant o1, ValueConstant o2) throws InconsistentOntologyException { DataPropertyExpression dpe = new DataPropertyExpressionImpl(propertyName); return ofac.createDataPropertyAssertion(dpe, o1, o2); }