@Override
 public void tearDown() throws Exception {
   try {
     dropTables();
     conn.close();
     jdbcconn.close();
   } catch (Exception e) {
     log.debug(e.getMessage());
   }
 }
  public ClassicABoxAssertionTestPositiveNoRangeTest() throws Exception {
    QuestPreferences pref = new QuestPreferences();
    pref.setCurrentValueOf(QuestPreferences.REFORMULATION_TECHNIQUE, QuestConstants.UCQBASED);
    pref.setCurrentValueOf(QuestPreferences.DBTYPE, QuestConstants.SEMANTIC_INDEX);
    pref.setCurrentValueOf(QuestPreferences.ABOX_MODE, QuestConstants.CLASSIC);
    pref.setCurrentValueOf(QuestPreferences.OPTIMIZE_EQUIVALENCES, "true");
    pref.setCurrentValueOf(QuestPreferences.OBTAIN_FROM_ONTOLOGY, "true");
    pref.setCurrentValueOf(QuestPreferences.OPTIMIZE_TBOX_SIGMA, "true");

    String owlfile = "src/test/resources/test/owl-types-simple-split.owl";

    OWLOntologyManager manager = OWLManager.createOWLOntologyManager();
    OWLOntology ontology = manager.loadOntologyFromOntologyDocument(new File(owlfile));

    QuestOWLFactory fac = new QuestOWLFactory();
    fac.setPreferenceHolder(pref);

    reasoner = (QuestOWL) fac.createReasoner(ontology);
    reasoner.flush();

    conn = reasoner.getConnection();
    st = conn.createStatement();
  }
 private QuestOWLResultSet executeQuery(String sparql) throws Exception {
   conn = reasoner.getConnection();
   stmt = conn.createStatement();
   return stmt.executeTuple(sparql);
 }