OWLClassExpression negDes = des.getComplementNNF();
Class<?>[] paramTypes = { OWLClassExpression.class };
Object[] params = { negDes };
try {
Query negQuery = QueryFactory.getQuery( "getIndividuals", paramTypes, params );
} catch( IllegalArgumentException e ) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch( ClassCastException e ) {
// TODO Auto-generated catch block