public Event getFuture(TrainerEvent trainerEvent, int backOffLevel) { ModifierEvent modEvent = (ModifierEvent) trainerEvent; MutableEvent future = futures[backOffLevel]; future.clear(); future.add(modEvent.modHeadWord().tag()); return future; }
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; }
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; }