DatatypeProperty name1 = model.createDatatypeProperty( ns + "name1", true );
john.addProperty( name1, "Name", "en" );
john.addProperty( name1, "Nom", "fr" );
assertTrue( model.validate().isValid() );
DatatypeProperty name2 = model.createDatatypeProperty( ns + "name2", true );
john.addProperty( name2, "Name" );
john.addProperty( name2, "Nom" );