public NodeSet<OWLClass> getObjectPropertyRanges(OWLObjectPropertyExpression pe, boolean direct) throws InconsistentOntologyException, FreshEntitiesException, ReasonerInterruptedException, TimeOutException { refreshCheck(); try { ATermAppl some = ATermUtils.makeSomeValues(ATermUtils.makeInv(term(pe)), ATermUtils.TOP); Set<ATermAppl> equivalents = kb.getEquivalentClasses(some); if (direct && !equivalents.isEmpty()) { return toClassNodeSet(Collections.singleton(equivalents)); } Set<Set<ATermAppl>> result = kb.getSuperClasses(some, direct); if (!equivalents.isEmpty()) { result.add(equivalents); } return toClassNodeSet(result); } catch (PelletRuntimeException e) { throw convert(e); } }