def test_oracle_moves_whitespace(en_vocab): words = ["production", "\n", "of", "Northrop", "\n", "Corp.", "\n", "'s", "radar"] biluo_tags = ["O", "O", "O", "B-ORG", None, "I-ORG", "L-ORG", "O", "O"] doc = Doc(en_vocab, words=words) gold = GoldParse(doc, words=words, entities=biluo_tags) moves = BiluoPushDown(en_vocab.strings) move_types = ("M", "B", "I", "L", "U", "O") for tag in biluo_tags: if tag is None: continue elif tag == "O": moves.add_action(move_types.index("O"), "") else: action, label = tag.split("-") moves.add_action(move_types.index(action), label) moves.preprocess_gold(gold) moves.get_oracle_sequence(doc, gold)
def train(Language, gold_tuples, model_dir, n_iter=15, feat_set=u'basic', seed=0, gold_preproc=False, n_sents=0, corruption_level=0, beam_width=1, verbose=False, use_orig_arc_eager=False): dep_model_dir = path.join(model_dir, 'deps') ner_model_dir = path.join(model_dir, 'ner') pos_model_dir = path.join(model_dir, 'pos') if path.exists(dep_model_dir): shutil.rmtree(dep_model_dir) if path.exists(ner_model_dir): shutil.rmtree(ner_model_dir) if path.exists(pos_model_dir): shutil.rmtree(pos_model_dir) os.mkdir(dep_model_dir) os.mkdir(ner_model_dir) os.mkdir(pos_model_dir) Config.write(dep_model_dir, 'config', features=feat_set, seed=seed, labels=ArcEager.get_labels(gold_tuples), beam_width=beam_width) Config.write(ner_model_dir, 'config', features='ner', seed=seed, labels=BiluoPushDown.get_labels(gold_tuples), beam_width=0) if n_sents > 0: gold_tuples = gold_tuples[:n_sents] nlp = Language(data_dir=model_dir, tagger=False, parser=False, entity=False) nlp.tagger = Tagger.blank(nlp.vocab, Tagger.default_templates()) nlp.parser = Parser.from_dir(dep_model_dir, nlp.vocab.strings, ArcEager) nlp.entity = Parser.from_dir(ner_model_dir, nlp.vocab.strings, BiluoPushDown) print("Itn.\tP.Loss\tUAS\tNER F.\tTag %\tToken %") for itn in range(n_iter): scorer = Scorer() loss = 0 for raw_text, sents in gold_tuples: if gold_preproc: raw_text = None else: sents = _merge_sents(sents) for annot_tuples, ctnt in sents: if len(annot_tuples[1]) == 1: continue score_model(scorer, nlp, raw_text, annot_tuples, verbose=verbose if itn >= 2 else False) if raw_text is None: words = add_noise(annot_tuples[1], corruption_level) tokens = nlp.tokenizer.tokens_from_list(words) else: raw_text = add_noise(raw_text, corruption_level) tokens = nlp.tokenizer(raw_text) nlp.tagger(tokens) gold = GoldParse(tokens, annot_tuples, make_projective=True) if not gold.is_projective: raise Exception( "Non-projective sentence in training, after we should " "have enforced projectivity: %s" % annot_tuples ) loss += nlp.parser.train(tokens, gold) nlp.entity.train(tokens, gold) nlp.tagger.train(tokens, gold.tags) random.shuffle(gold_tuples) print('%d:\t%d\t%.3f\t%.3f\t%.3f\t%.3f' % (itn, loss, scorer.uas, scorer.ents_f, scorer.tags_acc, scorer.token_acc)) print('end training') nlp.end_training(model_dir) print('done')
def test_oracle_moves_missing_B(en_vocab): words = ["B", "52", "Bomber"] biluo_tags = [None, None, "L-PRODUCT"] doc = Doc(en_vocab, words=words) gold = GoldParse(doc, words=words, entities=biluo_tags) moves = BiluoPushDown(en_vocab.strings) move_types = ("M", "B", "I", "L", "U", "O") for tag in biluo_tags: if tag is None: continue elif tag == "O": moves.add_action(move_types.index("O"), "") else: action, label = tag.split("-") moves.add_action(move_types.index("B"), label) moves.add_action(move_types.index("I"), label) moves.add_action(move_types.index("L"), label) moves.add_action(move_types.index("U"), label) moves.preprocess_gold(gold) moves.get_oracle_sequence(doc, gold)
def tsys(vocab, entity_types): actions = BiluoPushDown.get_actions(entity_types=entity_types) return BiluoPushDown(vocab.strings, actions)
def train(Language, gold_tuples, model_dir, n_iter=15, feat_set=u'basic', seed=0, gold_preproc=False, n_sents=0, corruption_level=0, beam_width=1, verbose=False, use_orig_arc_eager=False, pseudoprojective=False): dep_model_dir = path.join(model_dir, 'deps') ner_model_dir = path.join(model_dir, 'ner') pos_model_dir = path.join(model_dir, 'pos') if path.exists(dep_model_dir): shutil.rmtree(dep_model_dir) if path.exists(ner_model_dir): shutil.rmtree(ner_model_dir) if path.exists(pos_model_dir): shutil.rmtree(pos_model_dir) os.mkdir(dep_model_dir) os.mkdir(ner_model_dir) os.mkdir(pos_model_dir) if pseudoprojective: # preprocess training data here before ArcEager.get_labels() is called gold_tuples = PseudoProjectivity.preprocess_training_data(gold_tuples) Config.write(dep_model_dir, 'config', features=feat_set, seed=seed, labels=ArcEager.get_labels(gold_tuples), beam_width=beam_width,projectivize=pseudoprojective) Config.write(ner_model_dir, 'config', features='ner', seed=seed, labels=BiluoPushDown.get_labels(gold_tuples), beam_width=0) if n_sents > 0: gold_tuples = gold_tuples[:n_sents] nlp = Language(data_dir=model_dir, tagger=False, parser=False, entity=False) if nlp.lang == 'de': nlp.vocab.morphology.lemmatizer = lambda string,pos: set([string]) nlp.tagger = Tagger.blank(nlp.vocab, Tagger.default_templates()) nlp.parser = Parser.from_dir(dep_model_dir, nlp.vocab.strings, ArcEager) nlp.entity = Parser.from_dir(ner_model_dir, nlp.vocab.strings, BiluoPushDown) print("Itn.\tP.Loss\tUAS\tNER F.\tTag %\tToken %") for itn in range(n_iter): scorer = Scorer() loss = 0 for raw_text, sents in gold_tuples: if gold_preproc: raw_text = None else: sents = _merge_sents(sents) for annot_tuples, ctnt in sents: if len(annot_tuples[1]) == 1: continue score_model(scorer, nlp, raw_text, annot_tuples, verbose=verbose if itn >= 2 else False) if raw_text is None: words = add_noise(annot_tuples[1], corruption_level) tokens = nlp.tokenizer.tokens_from_list(words) else: raw_text = add_noise(raw_text, corruption_level) tokens = nlp.tokenizer(raw_text) nlp.tagger(tokens) gold = GoldParse(tokens, annot_tuples) if not gold.is_projective: raise Exception("Non-projective sentence in training: %s" % annot_tuples[1]) loss += nlp.parser.train(tokens, gold) nlp.entity.train(tokens, gold) nlp.tagger.train(tokens, gold.tags) random.shuffle(gold_tuples) print('%d:\t%d\t%.3f\t%.3f\t%.3f\t%.3f' % (itn, loss, scorer.uas, scorer.ents_f, scorer.tags_acc, scorer.token_acc)) print('end training') nlp.end_training(model_dir) print('done')