ATermAppl[] head = new ATermAppl[] { ATermUtils.makePropAtom( q, x, y ) };
ATermAppl[] body = new ATermAppl[] { ATermUtils.makePropAtom( p, x, y ) };
ATermAppl rule = ATermUtils.makeRule( head, body );
OWLAxiom actual = converter.convert( rule );
Set<SWRLAtom<?>> antecedent = new HashSet<SWRLAtom<?>>();
Set<SWRLAtom<?>> consequent = new HashSet<SWRLAtom<?>>();
antecedent.add( propertyAtom( ObjectProperty( "p" ), iVariable( "x" ), iVariable( "y" ) ) );