def eval(dataset_type='conll2003',
lang='en',
architecture='BidLSTM_CRF',
use_ELMo=False,
data_path=None):
if (dataset_type == 'conll2003') and (lang == 'en'):
print('Loading CoNLL-2003 NER data...')
x_test, y_test = load_data_and_labels_conll(
'data/sequenceLabelling/CoNLL-2003/eng.testb')
stats(x_eval=x_test, y_eval=y_test)
# load model
model_name = 'ner-en-conll2003'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
model = sequenceLabelling.Sequence(model_name)
model.load()
elif (dataset_type == 'conll2012') and (lang == 'en'):
print('Loading Ontonotes 5.0 CoNLL-2012 NER data...')
x_test, y_test = load_data_and_labels_conll(
'data/sequenceLabelling/CoNLL-2012-NER/eng.test')
stats(x_eval=x_test, y_eval=y_test)
# load model
model_name = 'ner-en-conll2012'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
model = sequenceLabelling.Sequence(model_name)
model.load()
else:
print("dataset/language combination is not supported for fixed eval:",
dataset_type, lang)
return
start_time = time.time()
print("\nEvaluation on test set:")
model.eval(x_test, y_test)
runtime = round(time.time() - start_time, 3)
print("runtime: %s seconds " % (runtime))
def train(embedding_name, dataset_type='conll2003', lang='en', architecture='BidLSTM_CRF', use_ELMo=False, data_path=None):
if (architecture == "BidLSTM_CNN_CRF"):
word_lstm_units = 200
recurrent_dropout=0.5
else:
word_lstm_units = 100
recurrent_dropout=0.5
if use_ELMo:
batch_size = 120
else:
batch_size = 20
if (dataset_type == 'conll2003') and (lang == 'en'):
print('Loading data...')
x_train1, y_train1 = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2003/eng.train')
x_train2, y_train2 = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2003/eng.testa')
x_train3, y_train3 = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2003/eng.testb')
# we concatenate all sets
x_all = np.concatenate((x_train1, x_train2, x_train3), axis=0)
y_all = np.concatenate((y_train1, y_train2, y_train3), axis=0)
# split train and valid sets in a random way
x_train, x_valid, y_train, y_valid = train_test_split(x_all, y_all, test_size=0.1)
stats(x_train, y_train, x_valid, y_valid)
model_name = 'ner-en-conll2003'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
model = sequenceLabelling.Sequence(model_name,
max_epoch=60,
recurrent_dropout=recurrent_dropout,
embeddings_name=embedding_name,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
elif (dataset_type == 'conll2012') and (lang == 'en'):
print('Loading Ontonotes 5.0 CoNLL-2012 NER data...')
x_train1, y_train1 = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2012-NER/eng.train')
x_train2, y_train2 = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2012-NER/eng.dev')
x_train3, y_train3 = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2012-NER/eng.test')
# we concatenate train and valid sets
x_all = np.concatenate((x_train1, x_train2, x_train3), axis=0)
y_all = np.concatenate((y_train1, y_train2, y_train3), axis=0)
# split train and valid sets in a random way
x_train, x_valid, y_train, y_valid = train_test_split(x_all, y_all, test_size=0.1)
stats(x_train, y_train, x_valid, y_valid)
model_name = 'ner-en-conll2012'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
model = sequenceLabelling.Sequence(model_name,
max_epoch=80,
recurrent_dropout=0.20,
embeddings_name=embedding_name,
early_stop=True,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
elif (lang == 'fr'):
print('Loading data...')
dataset_type = 'lemonde'
x_all, y_all = load_data_and_labels_lemonde('data/sequenceLabelling/leMonde/ftb6_ALL.EN.docs.relinked.xml')
x_train, x_valid, y_train, y_valid = train_test_split(x_all, y_all, test_size=0.1)
stats(x_train, y_train, x_valid, y_valid)
model_name = 'ner-fr-lemonde'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
model = sequenceLabelling.Sequence(model_name,
max_epoch=60,
recurrent_dropout=recurrent_dropout,
embeddings_name=embedding_name,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
else:
print("dataset/language combination is not supported:", dataset_type, lang)
return
#elif (dataset_type == 'ontonotes') and (lang == 'en'):
# model = sequenceLabelling.Sequence('ner-en-ontonotes', max_epoch=60, embeddings_name=embedding_name)
#elif (lang == 'fr'):
# model = sequenceLabelling.Sequence('ner-fr-lemonde', max_epoch=60, embeddings_name=embedding_name)
start_time = time.time()
model.train(x_train, y_train, x_valid, y_valid)
runtime = round(time.time() - start_time, 3)
print("training runtime: %s seconds " % (runtime))
# saving the model
model.save()
def train_eval(embedding_name,
dataset_type='conll2003',
lang='en',
architecture='BidLSTM_CRF',
fold_count=1,
train_with_validation_set=False,
use_ELMo=False,
data_path=None):
if (architecture == "BidLSTM_CNN_CRF"):
word_lstm_units = 200
max_epoch = 30
recurrent_dropout=0.5
else:
word_lstm_units = 100
max_epoch = 25
recurrent_dropout=0.5
if use_ELMo:
batch_size = 120
else:
batch_size = 20
if (dataset_type == 'conll2003') and (lang == 'en'):
print('Loading CoNLL 2003 data...')
x_train, y_train = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2003/eng.train')
x_valid, y_valid = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2003/eng.testa')
x_eval, y_eval = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2003/eng.testb')
stats(x_train, y_train, x_valid, y_valid, x_eval, y_eval)
model_name = 'ner-en-conll2003'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
if not train_with_validation_set:
# restrict training on train set, use validation set for early stop, as in most papers
model = sequenceLabelling.Sequence(model_name,
max_epoch=60,
recurrent_dropout=recurrent_dropout,
embeddings_name=embedding_name,
early_stop=True,
fold_number=fold_count,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
else:
# also use validation set to train (no early stop, hyperparmeters must be set preliminarly),
# as (Chui & Nochols, 2016) and (Peters and al., 2017)
# this leads obviously to much higher results (~ +0.5 f1 score with CoNLL-2003)
model = sequenceLabelling.Sequence(model_name,
max_epoch=max_epoch,
recurrent_dropout=recurrent_dropout,
embeddings_name=embedding_name,
early_stop=False,
fold_number=fold_count,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
elif (dataset_type == 'ontonotes-all') and (lang == 'en'):
print('Loading Ontonotes 5.0 XML data...')
x_all, y_all = load_data_and_labels_ontonotes(data_path)
x_train_all, x_eval, y_train_all, y_eval = train_test_split(x_all, y_all, test_size=0.1)
x_train, x_valid, y_train, y_valid = train_test_split(x_train_all, y_train_all, test_size=0.1)
stats(x_train, y_train, x_valid, y_valid, x_eval, y_eval)
model_name = 'ner-en-ontonotes'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
model = sequenceLabelling.Sequence(model_name,
max_epoch=60,
recurrent_dropout=recurrent_dropout,
embeddings_name=embedding_name,
early_stop=True,
fold_number=fold_count,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
elif (dataset_type == 'conll2012') and (lang == 'en'):
print('Loading Ontonotes 5.0 CoNLL-2012 NER data...')
x_train, y_train = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2012-NER/eng.train')
x_valid, y_valid = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2012-NER/eng.dev')
x_eval, y_eval = load_data_and_labels_conll('data/sequenceLabelling/CoNLL-2012-NER/eng.test')
stats(x_train, y_train, x_valid, y_valid, x_eval, y_eval)
model_name = 'ner-en-conll2012'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
if not train_with_validation_set:
model = sequenceLabelling.Sequence(model_name,
max_epoch=80,
recurrent_dropout=recurrent_dropout,
embeddings_name=embedding_name,
early_stop=True,
fold_number=fold_count,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
else:
# also use validation set to train (no early stop, hyperparmeters must be set preliminarly),
# as (Chui & Nochols, 2016) and (Peters and al., 2017)
# this leads obviously to much higher results
model = sequenceLabelling.Sequence(model_name,
max_epoch=40,
recurrent_dropout=recurrent_dropout,
embeddings_name=embedding_name,
early_stop=False,
fold_number=fold_count,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
elif (lang == 'fr'):
print('Loading data...')
dataset_type = 'lemonde'
x_all, y_all = load_data_and_labels_lemonde('data/sequenceLabelling/leMonde/ftb6_ALL.EN.docs.relinked.xml')
x_train_all, x_eval, y_train_all, y_eval = train_test_split(x_all, y_all, test_size=0.1)
x_train, x_valid, y_train, y_valid = train_test_split(x_train_all, y_train_all, test_size=0.1)
stats(x_train, y_train, x_valid, y_valid, x_eval, y_eval)
model_name = 'ner-fr-lemonde'
if use_ELMo:
model_name += '-with_ELMo'
model_name += '-' + architecture
model = sequenceLabelling.Sequence(model_name,
max_epoch=60,
recurrent_dropout=recurrent_dropout,
embeddings_name=embedding_name,
early_stop=True,
fold_number=fold_count,
model_type=architecture,
word_lstm_units=word_lstm_units,
batch_size=batch_size,
use_ELMo=use_ELMo)
else:
print("dataset/language combination is not supported:", dataset_type, lang)
return
start_time = time.time()
if fold_count == 1:
model.train(x_train, y_train, x_valid, y_valid)
else:
model.train_nfold(x_train, y_train, x_valid, y_valid, fold_number=fold_count)
runtime = round(time.time() - start_time, 3)
print("training runtime: %s seconds " % (runtime))
print("\nEvaluation on test set:")
model.eval(x_eval, y_eval)
# saving the model
model.save()
