code: public void addExpression() {
          SWRL expression = getOWLModel().createSWRLExpression(null);
          if (getOWLValueObject().owlValue().isIndividual()) {
              SWRLIndividual swrlIndividual = swrl().wrapIndividual(getOWLValueObject().owlValue().castTo(OWLIndividual.class));
              Atom atom = swrl().createSameIndividualAtom(swrlIndividual, swrlIndividual);
              expression.setBody(swrl().createList(atom));
              asOWLSResult().addEffect(expression);
          }       
      }
docs: TODO
  Currently acts as an example of how to add an SWRL expression to the OWL-S result
  an instance of this class represents