Example #1
0
 /** Adds an empty action to the dialogue system to start the interaction. */
 @Override
 public void start() {
   Assignment emptyAction = new Assignment(system.getSettings().systemOutput, ValueFactory.none());
   if (system.isPaused()) {
     system.getState().addToState(emptyAction);
   } else {
     system.addContent(emptyAction);
   }
   system.attachModule(RewardLearner.class);
 }
Example #2
0
  private void performTurn() {
    DialogueState systemState = system.getState();
    final String outputVar = system.getSettings().systemOutput;
    try {

      Value systemAction = ValueFactory.none();
      if (systemState.hasChanceNode(outputVar)) {
        systemAction = systemState.queryProb(outputVar).getBest();
      }

      log.fine("Simulator input: " + systemAction);
      boolean turnPerformed = performTurn(systemAction);
      int repeat = 0;
      while (!turnPerformed && repeat < 5 && system.getModules().contains(this)) {
        turnPerformed = performTurn(systemAction);
        repeat++;
      }
    } catch (RuntimeException e) {
      log.fine("cannot update simulator: " + e);
    }
  }
Example #3
0
  // @Test
  public void parsingTest() throws InterruptedException {
    DialogueSystem system = new DialogueSystem(XMLDomainReader.extractDomain(DOMAIN_FILE));
    system.getSettings().showGUI = false;
    system.getSettings().params.setProperty("taggingmodel", TAGGING_MODEL);
    system.getSettings().params.setProperty("parsingmodel", PARSING_MODEL);
    system.attachModule(MaltParser.class);
    system.startSystem();
    system.addUserInput("move to the left");
    assertTrue(system.getState().hasChanceNode("parse(u_u)"));
    assertTrue(system.getState().hasChanceNode("a_u"));
    assertEquals(system.getContent("a_u").toDiscrete().getBest().toString(), "Move(left)");
    system.addUserInput("what do you see now?");
    assertTrue(system.getState().hasChanceNode("parse(u_u)"));
    assertEquals(system.getContent("a_u").toDiscrete().getBest().toString(), "Move(left)");
    Map<String, Double> table = new HashMap<String, Double>();
    table.put("move a little bit to the left", 0.7);
    table.put("move a bit to the left", 0.1);
    system.addUserInput(table);
    assertTrue(system.getState().hasChanceNode("parse(u_u)"));
    assertTrue(system.getState().hasChanceNode("a_u"));
    assertEquals(system.getContent("a_u").toDiscrete().getProb("Move(left)"), 0.8, 0.01);

    table = new HashMap<String, Double>();
    table.put("now move a bit to the right please", 0.6);
    system.addUserInput(table);
    assertTrue(system.getState().hasChanceNode("parse(u_u)"));
    assertTrue(system.getState().hasChanceNode("a_u"));
    assertEquals(system.getContent("a_u").toDiscrete().getProb("Move(right)"), 0.6, 0.01);
    ParseValue pv =
        (ParseValue)
            system
                .getContent("parse(u_u)")
                .getValues()
                .stream()
                .filter(v -> v instanceof ParseValue)
                .findFirst()
                .get();
    assertTrue(pv.contains(ValueFactory.create("TO DT JJ")));
    assertFalse(pv.contains(ValueFactory.create("DT TT JJ")));
    assertTrue(pv.contains(ValueFactory.create("(*,the,*,det,7)")));
    assertTrue(pv.contains(ValueFactory.create("(7,*,JJ,*,*)")));
    assertTrue(pv.contains(ValueFactory.create("(*,*,DT,det,7)")));
    assertTrue(pv.contains(ValueFactory.create("(7,right,*,*,*)")));
    assertFalse(pv.contains(ValueFactory.create("(7,left,*,*,*)")));
    assertTrue(pv.contains(ValueFactory.create("TO the JJ")));
    assertTrue(pv.contains(ValueFactory.create("to the JJ")));
    assertTrue(pv.contains(ValueFactory.create("TO DT right")));
    assertFalse(pv.contains(ValueFactory.create("TO DT left")));
    assertTrue(pv.contains(ValueFactory.create("to/TO the/DT right/JJ")));
    assertFalse(pv.contains(ValueFactory.create("to/JJ the/DT right/JJ")));
    assertTrue(pv.contains(ValueFactory.create("(*,the,DT,det,7)")));
    assertTrue(pv.contains(ValueFactory.create("(7,right,JJ,*,*)")));
    assertTrue(pv.contains(ValueFactory.create("JJ")));
    assertFalse(pv.contains(ValueFactory.create("RBR")));
    table = new HashMap<String, Double>();
    table.put("this is a gnome", 0.6);
    system.addUserInput(table);
    pv =
        (ParseValue)
            system
                .getContent("parse(u_u)")
                .getValues()
                .stream()
                .filter(v -> v instanceof ParseValue)
                .findFirst()
                .get();
    assertTrue(pv.contains(ValueFactory.create("DT VBZ DT NN")));
    assertEquals("Test successful", system.getContent("i_u").getBest().toString());
  }