public Event getFuture(TrainerEvent trainerEvent, int backOffLevel) {
   ModifierEvent modEvent = (ModifierEvent) trainerEvent;
   MutableEvent future = futures[backOffLevel];
   future.clear();
   future.add(modEvent.modifier());
   future.add(modEvent.modHeadWord().tag());
   return future;
 }
Exemplo n.º 2
0
  private Event getBaseNPHistory(ModifierEvent modEvent, int backOffLevel) {
    MutableEvent hist = histories[backOffLevel];

    Symbol side = Constants.sideToSym(modEvent.side());

    Symbol prevModLabel =
        (modEvent.previousMods().get(0) == startSym
            ? modEvent.head()
            : modEvent.previousMods().symbolAt(0));
    Word prevModWord =
        (modEvent.previousWords().getWord(0).equals(startWord)
            ? modEvent.headWord()
            : modEvent.previousWords().getWord(0));
    hist.clear();
    switch (backOffLevel) {
      case 0:
        // for p(t_i | M_i, P, M(w,t)_i-1, side)
        hist.add(modEvent.modifier());
        hist.add(Language.training().removeGapAugmentation(modEvent.parent()));
        hist.add(prevModLabel);
        hist.add(prevModWord.word());
        hist.add(prevModWord.tag());
        hist.add(side);
        break;
      case 1:
        // for p(t_i | M_i, P, M(t)_i-1, side)
        hist.add(modEvent.modifier());
        hist.add(Language.training().removeGapAugmentation(modEvent.parent()));
        hist.add(prevModLabel);
        hist.add(prevModWord.tag());
        hist.add(side);
        break;
      case 2:
        // for p(t_i | M_i, P, M_i-1, side)
        hist.add(modEvent.modifier());
        hist.add(Language.training().removeGapAugmentation(modEvent.parent()));
        hist.add(prevModLabel);
        hist.add(side);
        break;
        /*
        case 3:
          // for p(t_i | M_i, P)
          hist.add(modEvent.modifier());
          hist.add(Language.training().removeGapAugmentation(modEvent.parent()));
          break;
          */
    }
    return hist;
  }
Exemplo n.º 3
0
  public Event getHistory(TrainerEvent trainerEvent, int backOffLevel) {
    ModifierEvent modEvent = (ModifierEvent) trainerEvent;

    if (Language.treebank().isBaseNP(modEvent.parent()))
      return getBaseNPHistory(modEvent, backOffLevel);

    Symbol side = Constants.sideToSym(modEvent.side());

    MutableEvent hist = historiesWithSubcats[backOffLevel];

    hist.clear();
    Symbol verbInterveningSym = Constants.booleanToSym(modEvent.verbIntervening());
    Symbol mappedPrevModSym = NTMapper.map(modEvent.previousMods().symbolAt(0));
    Symbol parent = Language.training().removeArgAugmentation(modEvent.parent());

    switch (backOffLevel) {
      case 0:
        // for p(t_i | M_i, P, H, w, t, verbIntervening, map(M_i-1),
        //             subcat, side)
        hist.add(0, modEvent.modifier());
        hist.add(0, parent);
        hist.add(0, Language.training().removeGapAugmentation(modEvent.head()));
        hist.add(0, modEvent.headWord().word());
        hist.add(0, modEvent.headWord().tag());
        hist.add(0, verbInterveningSym);
        hist.add(0, mappedPrevModSym);
        hist.add(1, modEvent.subcat());
        hist.add(0, side);
        break;
      case 1:
        // for p(t_i | M_i, P, H, t, verbIntervening, map(M_i-1), subcat, side)
        hist.add(0, modEvent.modifier());
        hist.add(0, parent);
        hist.add(0, Language.training().removeGapAugmentation(modEvent.head()));
        hist.add(0, modEvent.headWord().tag());
        hist.add(0, verbInterveningSym);
        hist.add(0, mappedPrevModSym);
        hist.add(1, modEvent.subcat());
        hist.add(0, side);
        break;
      case 2:
        // for p(t_i | M_i, P, H, verbIntervening, map(M_i-1), subcat, side)
        hist.add(0, modEvent.modifier());
        hist.add(0, parent);
        hist.add(0, Language.training().removeGapAugmentation(modEvent.head()));
        hist.add(0, verbInterveningSym);
        hist.add(0, mappedPrevModSym);
        hist.add(1, modEvent.subcat());
        hist.add(0, side);
        break;
        /*
        case 3:
          // for p(t_i | M_i, P, subcat)
          hist.add(0, modEvent.modifier());
          hist.add(0, parent);
          hist.add(1, modEvent.subcat());
          break;
          */
    }
    return hist;
  }