Пример #1
0
 /** Run a single test of any sort, return true if the test succeeds. */
 public boolean doRunTest(Resource test) throws IOException {
   if (test.hasProperty(RDF.type, OWLTest.PositiveEntailmentTest)
       || test.hasProperty(RDF.type, OWLTest.NegativeEntailmentTest)
       || test.hasProperty(RDF.type, OWLTest.OWLforOWLTest)
       || test.hasProperty(RDF.type, OWLTest.ImportEntailmentTest)
       || test.hasProperty(RDF.type, OWLTest.TrueTest)) {
     // Entailment tests
     boolean processImports = test.hasProperty(RDF.type, OWLTest.ImportEntailmentTest);
     Model premises = getDoc(test, RDFTest.premiseDocument, processImports);
     Model conclusions = getDoc(test, RDFTest.conclusionDocument);
     comprehensionAxioms(premises, conclusions);
     long t1 = System.currentTimeMillis();
     InfGraph graph = reasoner.bind(premises.getGraph());
     if (printProfile) {
       ((FBRuleInfGraph) graph).resetLPProfile(true);
     }
     Model result = ModelFactory.createModelForGraph(graph);
     boolean correct = WGReasonerTester.testConclusions(conclusions.getGraph(), result.getGraph());
     long t2 = System.currentTimeMillis();
     lastTestDuration = t2 - t1;
     if (printProfile) {
       ((FBRuleInfGraph) graph).printLPProfile();
     }
     if (test.hasProperty(RDF.type, OWLTest.NegativeEntailmentTest)) {
       correct = !correct;
     }
     return correct;
   } else if (test.hasProperty(RDF.type, OWLTest.InconsistencyTest)) {
     //            System.out.println("Starting: " + test);
     Model input = getDoc(test, RDFTest.inputDocument);
     long t1 = System.currentTimeMillis();
     InfGraph graph = reasoner.bind(input.getGraph());
     boolean correct = !graph.validate().isValid();
     long t2 = System.currentTimeMillis();
     lastTestDuration = t2 - t1;
     return correct;
   } else if (test.hasProperty(RDF.type, OWLTest.ConsistencyTest)) {
     // Not used normally becase we are not complete enough to prove consistency
     //            System.out.println("Starting: " + test);
     Model input = getDoc(test, RDFTest.inputDocument);
     long t1 = System.currentTimeMillis();
     InfGraph graph = reasoner.bind(input.getGraph());
     boolean correct = graph.validate().isValid();
     long t2 = System.currentTimeMillis();
     lastTestDuration = t2 - t1;
     return correct;
   } else {
     for (StmtIterator i = test.listProperties(RDF.type); i.hasNext(); ) {
       System.out.println("Test type = " + i.nextStatement().getObject());
     }
     throw new ReasonerException("Unknown test type");
   }
 }
  /**
   * Query SPARQL endpoint with a SELECT query
   *
   * @param qExec QueryExecution encapsulating the query
   * @return model retrieved by querying the endpoint
   */
  private Model getSelectModel(QueryExecution qExec) {
    Model model = ModelFactory.createDefaultModel();
    Graph graph = model.getGraph();
    ResultSet results = qExec.execSelect();

    while (results.hasNext()) {
      QuerySolution sol = results.next();
      String subject;
      String predicate;
      RDFNode object;

      try {
        subject = sol.getResource("s").toString();
        predicate = sol.getResource("p").toString();
        object = sol.get("o");
      } catch (NoSuchElementException e) {
        logger.error("SELECT query does not return a (?s ?p ?o) Triple");
        continue;
      }

      Node objNode;
      if (object.isLiteral()) {
        Literal obj = object.asLiteral();
        objNode = NodeFactory.createLiteral(obj.getString(), obj.getDatatype());
      } else {
        objNode = NodeFactory.createLiteral(object.toString());
      }

      graph.add(
          new Triple(NodeFactory.createURI(subject), NodeFactory.createURI(predicate), objNode));
    }

    return model;
  }
Пример #3
0
 /**
  * Precompute the implications of a schema Model. The statements in the graph will be combined
  * with the data when the final InfGraph is created.
  */
 @Override
 public Reasoner bindSchema(Model tbox) throws ReasonerException {
   return new LPBackwardRuleReasoner(this, tbox.getGraph());
 }