nodeCheckerDelegate = checker;
owlOntologyManager = ontology.getOWLOntologyManager();
this.ontology = ontology;
dataFactory = owlOntologyManager.getOWLDataFactory();
this.configuration = configuration;
handlerAccessor = new HandlerAccessor(this);
translatorAccessor = new TranslatorAccessor(this);
classExpressionIRIs = CollectionFactory.createSet();
objectPropertyExpressionIRIs = CollectionFactory.createSet();
dataPropertyExpressionIRIs = CollectionFactory.createSet();
individualIRIs = CollectionFactory.createSet();