@Override
public void handle(String currentId, String value, String qualifierBlock,
String comment) {
if (Boolean.parseBoolean(value)) {
OWLObjectProperty prop = getOWLObjectProperty(currentId);
OWLAxiom ax = getDataFactory().getOWLSymmetricObjectPropertyAxiom(
prop);
applyChange(new AddAxiom(getOntology(), ax));
} else {
addAnnotation(currentId, OBOVocabulary.IS_SYMMETRIC.getName(),
getBooleanConstant(false));