String ricordoid = configHandler.readAndUpdate(ConfigHandler.RICORDOID);
OWLClass newowlclass = manager.getOWLDataFactory().getOWLClass(IRI.create("http://www.ricordo.eu/ricordo.owl#RICORDO_"+ricordoid));
OWLAxiom axiom = manager.getOWLDataFactory().getOWLEquivalentClassesAxiom(newowlclass, classExp);
Set<OWLAxiom> axiomSet = new HashSet<OWLAxiom>();
axiomSet.add(axiom);
Tell tellRequest = new Tell(IRI.create(ou),axiomSet);
OK okResponse = (OK)executeReasoner(tellRequest);//reasoner.answer(tellRequest);
//add to owlfile
manager.addAxioms(oldOntology, axiomSet);
writeToOWLFile();