/** 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; }
/** * 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()); }