class Data:
def __init__(self):
self.MAX_SENTENCE_LENGTH = 250
self.MAX_WORD_LENGTH = -1
self.number_normalized = True
self.norm_word_emb = False
self.norm_char_emb = False
self.word_alphabet = Alphabet('word')
self.char_alphabet = Alphabet('character')
self.feature_name = []
self.feature_alphabets = []
self.feature_num = len(self.feature_alphabets)
self.feat_config = None
self.label_alphabet = Alphabet('label',True)
self.tagScheme = "NoSeg" ## BMES/BIO
self.seg = True
### I/O
self.train_dir = None
self.dev_dir = None
self.test_dir = None
self.raw_dir = None
self.decode_dir = None
self.dset_dir = None ## data vocabulary related file
self.model_dir = None ## model save file
self.load_model_dir = None ## model load file
self.word_emb_dir = None
self.char_emb_dir = None
self.feature_emb_dirs = []
self.train_texts = []
self.dev_texts = []
self.test_texts = []
self.raw_texts = []
self.train_Ids = []
self.dev_Ids = []
self.test_Ids = []
self.raw_Ids = []
self.pretrain_word_embedding = None
self.pretrain_char_embedding = None
self.pretrain_feature_embeddings = []
self.label_size = 0
self.word_alphabet_size = 0
self.char_alphabet_size = 0
self.label_alphabet_size = 0
self.feature_alphabet_sizes = []
self.feature_emb_dims = []
self.norm_feature_embs = []
self.word_emb_dim = 50
self.char_emb_dim = 30
###Networks
self.word_feature_extractor = "LSTM" ## "LSTM"/"CNN"/"GRU"/
self.use_char = True
self.char_feature_extractor = "CNN" ## "LSTM"/"CNN"/"GRU"/None
self.use_crf = True
self.nbest = None
## Training
self.average_batch_loss = False
self.optimizer = "SGD" ## "SGD"/"AdaGrad"/"AdaDelta"/"RMSProp"/"Adam"
self.status = "train"
### Hyperparameters
self.HP_cnn_layer = 4
self.HP_iteration = 100
self.HP_batch_size = 10
self.HP_char_hidden_dim = 50
self.HP_hidden_dim = 200
self.HP_dropout = 0.5
self.HP_lstm_layer = 1
self.HP_bilstm = True
self.HP_gpu = False
self.HP_lr = 0.015
self.HP_lr_decay = 0.05
self.HP_clip = None
self.HP_momentum = 0
self.HP_l2 = 1e-8
def show_data_summary(self):
print("++"*50)
print("DATA SUMMARY START:")
print(" I/O:")
print(" Tag scheme: %s"%(self.tagScheme))
print(" MAX SENTENCE LENGTH: %s"%(self.MAX_SENTENCE_LENGTH))
print(" MAX WORD LENGTH: %s"%(self.MAX_WORD_LENGTH))
print(" Number normalized: %s"%(self.number_normalized))
print(" Word alphabet size: %s"%(self.word_alphabet_size))
print(" Char alphabet size: %s"%(self.char_alphabet_size))
print(" Label alphabet size: %s"%(self.label_alphabet_size))
print(" Word embedding dir: %s"%(self.word_emb_dir))
print(" Char embedding dir: %s"%(self.char_emb_dir))
print(" Word embedding size: %s"%(self.word_emb_dim))
print(" Char embedding size: %s"%(self.char_emb_dim))
print(" Norm word emb: %s"%(self.norm_word_emb))
print(" Norm char emb: %s"%(self.norm_char_emb))
print(" Train file directory: %s"%(self.train_dir))
print(" Dev file directory: %s"%(self.dev_dir))
print(" Test file directory: %s"%(self.test_dir))
print(" Raw file directory: %s"%(self.raw_dir))
print(" Dset file directory: %s"%(self.dset_dir))
print(" Model file directory: %s"%(self.model_dir))
print(" Loadmodel directory: %s"%(self.load_model_dir))
print(" Decode file directory: %s"%(self.decode_dir))
print(" Train instance number: %s"%(len(self.train_texts)))
print(" Dev instance number: %s"%(len(self.dev_texts)))
print(" Test instance number: %s"%(len(self.test_texts)))
print(" Raw instance number: %s"%(len(self.raw_texts)))
print(" FEATURE num: %s"%(self.feature_num))
for idx in range(self.feature_num):
print(" Fe: %s alphabet size: %s"%(self.feature_alphabets[idx].name, self.feature_alphabet_sizes[idx]))
print(" Fe: %s embedding dir: %s"%(self.feature_alphabets[idx].name, self.feature_emb_dirs[idx]))
print(" Fe: %s embedding size: %s"%(self.feature_alphabets[idx].name, self.feature_emb_dims[idx]))
print(" Fe: %s norm emb: %s"%(self.feature_alphabets[idx].name, self.norm_feature_embs[idx]))
print(" "+"++"*20)
print(" Model Network:")
print(" Model use_crf: %s"%(self.use_crf))
print(" Model word extractor: %s"%(self.word_feature_extractor))
print(" Model use_char: %s"%(self.use_char))
if self.use_char:
print(" Model char extractor: %s"%(self.char_feature_extractor))
print(" Model char_hidden_dim: %s"%(self.HP_char_hidden_dim))
print(" "+"++"*20)
print(" Training:")
print(" Optimizer: %s"%(self.optimizer))
print(" Iteration: %s"%(self.HP_iteration))
print(" BatchSize: %s"%(self.HP_batch_size))
print(" Average batch loss: %s"%(self.average_batch_loss))
print(" "+"++"*20)
print(" Hyperparameters:")
print(" Hyper lr: %s"%(self.HP_lr))
print(" Hyper lr_decay: %s"%(self.HP_lr_decay))
print(" Hyper HP_clip: %s"%(self.HP_clip))
print(" Hyper momentum: %s"%(self.HP_momentum))
print(" Hyper l2: %s"%(self.HP_l2))
print(" Hyper hidden_dim: %s"%(self.HP_hidden_dim))
print(" Hyper dropout: %s"%(self.HP_dropout))
print(" Hyper lstm_layer: %s"%(self.HP_lstm_layer))
print(" Hyper bilstm: %s"%(self.HP_bilstm))
print(" Hyper GPU: %s"%(self.HP_gpu))
print("DATA SUMMARY END.")
print("++"*50)
sys.stdout.flush()
def initial_feature_alphabets(self):
items = open(self.train_dir,'r').readline().strip('\n').split()
total_column = len(items)
if total_column > 2:
for idx in range(1, total_column-1):
feature_prefix = items[idx].split(']',1)[0]+"]"
self.feature_alphabets.append(Alphabet(feature_prefix))
self.feature_name.append(feature_prefix)
print "Find feature: ", feature_prefix
self.feature_num = len(self.feature_alphabets)
self.pretrain_feature_embeddings = [None]*self.feature_num
self.feature_emb_dims = [20]*self.feature_num
self.feature_emb_dirs = [None]*self.feature_num
self.norm_feature_embs = [False]*self.feature_num
self.feature_alphabet_sizes = [0]*self.feature_num
if self.feat_config:
for idx in range(self.feature_num):
if self.feature_name[idx] in self.feat_config:
self.feature_emb_dims[idx] = self.feat_config[self.feature_name[idx]]['emb_size']
self.feature_emb_dirs[idx] = self.feat_config[self.feature_name[idx]]['emb_dir']
self.norm_feature_embs[idx] = self.feat_config[self.feature_name[idx]]['emb_norm']
# exit(0)
def build_alphabet(self, input_file):
in_lines = open(input_file,'r').readlines()
for line in in_lines:
if len(line) > 2:
pairs = line.strip().split()
word = pairs[0].decode('utf-8')
if self.number_normalized:
word = normalize_word(word)
label = pairs[-1]
self.label_alphabet.add(label)
self.word_alphabet.add(word)
## build feature alphabet
for idx in range(self.feature_num):
feat_idx = pairs[idx+1].split(']',1)[-1]
self.feature_alphabets[idx].add(feat_idx)
for char in word:
self.char_alphabet.add(char)
self.word_alphabet_size = self.word_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
self.label_alphabet_size = self.label_alphabet.size()
for idx in range(self.feature_num):
self.feature_alphabet_sizes[idx] = self.feature_alphabets[idx].size()
startS = False
startB = False
for label,_ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
def fix_alphabet(self):
self.word_alphabet.close()
self.char_alphabet.close()
self.label_alphabet.close()
for idx in range(self.feature_num):
self.feature_alphabets[idx].close()
def build_pretrain_emb(self):
if self.word_emb_dir:
print("Load pretrained word embedding, norm: %s, dir: %s"%(self.norm_word_emb, self.word_emb_dir))
self.pretrain_word_embedding, self.word_emb_dim = build_pretrain_embedding(self.word_emb_dir, self.word_alphabet, self.word_emb_dim, self.norm_word_emb)
if self.char_emb_dir:
print("Load pretrained char embedding, norm: %s, dir: %s"%(self.norm_char_emb, self.char_emb_dir))
self.pretrain_char_embedding, self.char_emb_dim = build_pretrain_embedding(self.char_emb_dir, self.char_alphabet, self.char_emb_dim, self.norm_char_emb)
for idx in range(self.feature_num):
if self.feature_emb_dirs[idx]:
print("Load pretrained feature %s embedding:, norm: %s, dir: %s"%(self.feature_name[idx], self.norm_feature_embs[idx], self.feature_emb_dirs[idx]))
self.pretrain_feature_embeddings[idx], self.feature_emb_dims[idx] = build_pretrain_embedding(self.feature_emb_dirs[idx], self.feature_alphabets[idx], self.feature_emb_dims[idx], self.norm_feature_embs[idx])
def generate_instance(self, name):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_instance(self.train_dir, self.word_alphabet, self.char_alphabet, self.feature_alphabets, self.label_alphabet, self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_instance(self.dev_dir, self.word_alphabet, self.char_alphabet, self.feature_alphabets, self.label_alphabet, self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "test":
self.test_texts, self.test_Ids = read_instance(self.test_dir, self.word_alphabet, self.char_alphabet, self.feature_alphabets, self.label_alphabet, self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "raw":
self.raw_texts, self.raw_Ids = read_instance(self.raw_dir, self.word_alphabet, self.char_alphabet, self.feature_alphabets, self.label_alphabet, self.number_normalized, self.MAX_SENTENCE_LENGTH)
else:
print("Error: you can only generate train/dev/test instance! Illegal input:%s"%(name))
def write_decoded_results(self, predict_results, name):
fout = open(self.decode_dir,'w')
sent_num = len(predict_results)
content_list = []
if name == 'raw':
content_list = self.raw_texts
elif name == 'test':
content_list = self.test_texts
elif name == 'dev':
content_list = self.dev_texts
elif name == 'train':
content_list = self.train_texts
else:
print("Error: illegal name during writing predict result, name should be within train/dev/test/raw !")
assert(sent_num == len(content_list))
for idx in range(sent_num):
sent_length = len(predict_results[idx])
for idy in range(sent_length):
## content_list[idx] is a list with [word, char, label]
fout.write(content_list[idx][0][idy].encode('utf-8') + " " + predict_results[idx][idy] + '\n')
fout.write('\n')
fout.close()
print("Predict %s result has been written into file. %s"%(name, self.decode_dir))
def load(self,data_file):
f = open(data_file, 'rb')
tmp_dict = pickle.load(f)
f.close()
self.__dict__.update(tmp_dict)
def save(self,save_file):
f = open(save_file, 'wb')
pickle.dump(self.__dict__, f, 2)
f.close()
def write_nbest_decoded_results(self, predict_results, pred_scores, name):
## predict_results : [whole_sent_num, nbest, each_sent_length]
## pred_scores: [whole_sent_num, nbest]
fout = open(self.decode_dir,'w')
sent_num = len(predict_results)
content_list = []
if name == 'raw':
content_list = self.raw_texts
elif name == 'test':
content_list = self.test_texts
elif name == 'dev':
content_list = self.dev_texts
elif name == 'train':
content_list = self.train_texts
else:
print("Error: illegal name during writing predict result, name should be within train/dev/test/raw !")
assert(sent_num == len(content_list))
assert(sent_num == len(pred_scores))
for idx in range(sent_num):
sent_length = len(predict_results[idx][0])
nbest = len(predict_results[idx])
score_string = "# "
for idz in range(nbest):
score_string += format(pred_scores[idx][idz], '.4f')+" "
fout.write(score_string.strip() + "\n")
for idy in range(sent_length):
label_string = content_list[idx][0][idy].encode('utf-8') + " "
for idz in range(nbest):
label_string += predict_results[idx][idz][idy]+" "
label_string = label_string.strip() + "\n"
fout.write(label_string)
fout.write('\n')
fout.close()
print("Predict %s %s-best result has been written into file. %s"%(name,nbest, self.decode_dir))
def read_config(self,config_file):
config = config_file_to_dict(config_file)
## read data:
the_item = 'train_dir'
if the_item in config:
self.train_dir = config[the_item]
the_item = 'dev_dir'
if the_item in config:
self.dev_dir = config[the_item]
the_item = 'test_dir'
if the_item in config:
self.test_dir = config[the_item]
the_item = 'raw_dir'
if the_item in config:
self.raw_dir = config[the_item]
the_item = 'decode_dir'
if the_item in config:
self.decode_dir = config[the_item]
the_item = 'dset_dir'
if the_item in config:
self.dset_dir = config[the_item]
the_item = 'model_dir'
if the_item in config:
self.model_dir = config[the_item]
the_item = 'load_model_dir'
if the_item in config:
self.load_model_dir = config[the_item]
the_item = 'word_emb_dir'
if the_item in config:
self.word_emb_dir = config[the_item]
the_item = 'char_emb_dir'
if the_item in config:
self.char_emb_dir = config[the_item]
the_item = 'MAX_SENTENCE_LENGTH'
if the_item in config:
self.MAX_SENTENCE_LENGTH = int(config[the_item])
the_item = 'MAX_WORD_LENGTH'
if the_item in config:
self.MAX_WORD_LENGTH = int(config[the_item])
the_item = 'norm_word_emb'
if the_item in config:
self.norm_word_emb = str2bool(config[the_item])
the_item = 'norm_char_emb'
if the_item in config:
self.norm_char_emb = str2bool(config[the_item])
the_item = 'number_normalized'
if the_item in config:
self.number_normalized = str2bool(config[the_item])
the_item = 'seg'
if the_item in config:
self.seg = str2bool(config[the_item])
the_item = 'word_emb_dim'
if the_item in config:
self.word_emb_dim = int(config[the_item])
the_item = 'char_emb_dim'
if the_item in config:
self.char_emb_dim = int(config[the_item])
## read network:
the_item = 'use_crf'
if the_item in config:
self.use_crf = str2bool(config[the_item])
the_item = 'use_char'
if the_item in config:
self.use_char = str2bool(config[the_item])
the_item = 'word_seq_feature'
if the_item in config:
self.word_feature_extractor = config[the_item]
the_item = 'char_seq_feature'
if the_item in config:
self.char_feature_extractor = config[the_item]
the_item = 'nbest'
if the_item in config:
self.nbest = int(config[the_item])
the_item = 'feature'
if the_item in config:
self.feat_config = config[the_item] ## feat_config is a dict
## read training setting:
the_item = 'optimizer'
if the_item in config:
self.optimizer = config[the_item]
the_item = 'ave_batch_loss'
if the_item in config:
self.average_batch_loss = str2bool(config[the_item])
the_item = 'status'
if the_item in config:
self.status = config[the_item]
## read Hyperparameters:
the_item = 'cnn_layer'
if the_item in config:
self.HP_cnn_layer = int(config[the_item])
the_item = 'iteration'
if the_item in config:
self.HP_iteration = int(config[the_item])
the_item = 'batch_size'
if the_item in config:
self.HP_batch_size = int(config[the_item])
the_item = 'char_hidden_dim'
if the_item in config:
self.HP_char_hidden_dim = int(config[the_item])
the_item = 'hidden_dim'
if the_item in config:
self.HP_hidden_dim = int(config[the_item])
the_item = 'dropout'
if the_item in config:
self.HP_dropout = float(config[the_item])
the_item = 'lstm_layer'
if the_item in config:
self.HP_lstm_layer = int(config[the_item])
the_item = 'bilstm'
if the_item in config:
self.HP_bilstm = str2bool(config[the_item])
the_item = 'gpu'
if the_item in config:
self.HP_gpu = str2bool(config[the_item])
the_item = 'learning_rate'
if the_item in config:
self.HP_lr = float(config[the_item])
the_item = 'lr_decay'
if the_item in config:
self.HP_lr_decay = float(config[the_item])
the_item = 'clip'
if the_item in config:
self.HP_clip = float(config[the_item])
the_item = 'momentum'
if the_item in config:
self.HP_momentum = float(config[the_item])
the_item = 'l2'
if the_item in config:
self.HP_l2 = float(config[the_item])
class Data:
def __init__(self):
self.MAX_SENTENCE_LENGTH = 250
self.MAX_WORD_LENGTH = -1
self.number_normalized = True
self.norm_word_emb = False
self.norm_char_emb = False
self.word_alphabet = Alphabet('word')
self.char_alphabet = Alphabet('character')
self.feature_name = []
self.feature_alphabets = []
self.feature_num = len(self.feature_alphabets)
self.feat_config = None
self.feature_name2id = {}
self.label_alphabet = Alphabet('label',True)
self.tagScheme = "NoSeg" ## BMES/BIO
self.seg = True
### I/O
self.train_dir = None
self.dev_dir = None
self.test_dir = None
self.model_dir = None ## model save file
self.word_emb_dir = None
self.char_emb_dir = None
self.feature_emb_dirs = []
self.train_texts = []
self.dev_texts = []
self.test_texts = []
self.train_Ids = []
self.dev_Ids = []
self.test_Ids = []
self.pretrain_word_embedding = None
self.pretrain_char_embedding = None
self.pretrain_feature_embeddings = []
self.label_size = 0
self.word_alphabet_size = 0
self.char_alphabet_size = 0
self.label_alphabet_size = 0
self.feature_alphabet_sizes = []
self.feature_emb_dims = []
self.norm_feature_embs = []
self.word_emb_dim = 50
self.char_emb_dim = 30
###Networks
self.word_feature_extractor = "LSTM" ## "LSTM"/"CNN"/"GRU"/
self.use_char = True
self.char_feature_extractor = "CNN" ## "LSTM"/"CNN"/"GRU"/None
self.use_crf = True
self.nbest = None
## Training
self.average_batch_loss = False
### Hyperparameters
self.HP_cnn_layer = 4
self.HP_iteration = 100
self.HP_batch_size = 10
self.HP_char_hidden_dim = 50
self.HP_hidden_dim = 200
self.HP_dropout = 0.5
self.HP_lstm_layer = 1
self.HP_bilstm = True
self.HP_gpu = False
self.HP_lr = 0.015
self.HP_lr_decay = 0.05
self.HP_clip = None
self.HP_momentum = 0
self.HP_l2 = 1e-8
# both
self.full_data = False
self.tune_wordemb = False
# relation
self.pretrain = None
self.max_seq_len = 500
self.pad_idx = 1
self.sent_window = 3
self.output =None
self.unk_ratio=1
self.seq_feature_size=256
self.max_epoch = 100
self.feature_extractor=None
self.re_feature_name = []
self.re_feature_name2id = {}
self.re_feature_alphabets = []
self.re_feature_num = len(self.re_feature_alphabets)
self.re_feat_config = None
self.re_train_X = []
self.re_dev_X = []
self.re_test_X = []
self.re_train_Y = []
self.re_dev_Y = []
self.re_test_Y = []
def show_data_summary(self):
print("++"*50)
print("DATA SUMMARY START:")
print(" I/O:")
print(" Tag scheme: %s"%(self.tagScheme))
print(" MAX SENTENCE LENGTH: %s"%(self.MAX_SENTENCE_LENGTH))
print(" MAX WORD LENGTH: %s"%(self.MAX_WORD_LENGTH))
print(" Number normalized: %s"%(self.number_normalized))
print(" Word alphabet size: %s"%(self.word_alphabet_size))
print(" Char alphabet size: %s"%(self.char_alphabet_size))
print(" Label alphabet size: %s"%(self.label_alphabet_size))
print(" Word embedding dir: %s"%(self.word_emb_dir))
print(" Char embedding dir: %s"%(self.char_emb_dir))
print(" Word embedding size: %s"%(self.word_emb_dim))
print(" Char embedding size: %s"%(self.char_emb_dim))
print(" Norm word emb: %s"%(self.norm_word_emb))
print(" Norm char emb: %s"%(self.norm_char_emb))
print(" Train file directory: %s"%(self.train_dir))
print(" Dev file directory: %s"%(self.dev_dir))
print(" Test file directory: %s"%(self.test_dir))
print(" Model file directory: %s"%(self.model_dir))
print(" Train instance number: %s"%(len(self.train_texts)))
print(" Dev instance number: %s"%(len(self.dev_texts)))
print(" Test instance number: %s"%(len(self.test_texts)))
print(" FEATURE num: %s"%(self.feature_num))
for idx in range(self.feature_num):
print(" Fe: %s alphabet size: %s"%(self.feature_alphabets[idx].name, self.feature_alphabet_sizes[idx]))
print(" Fe: %s embedding dir: %s"%(self.feature_alphabets[idx].name, self.feature_emb_dirs[idx]))
print(" Fe: %s embedding size: %s"%(self.feature_alphabets[idx].name, self.feature_emb_dims[idx]))
print(" Fe: %s norm emb: %s"%(self.feature_alphabets[idx].name, self.norm_feature_embs[idx]))
# for k, v in self.feat_config.items():
# print(" Feature: %s, size %s, norm %s, dir %s"%(k, v['emb_size'], v['emb_norm'], v['emb_dir']))
print(" "+"++"*20)
print(" Model Network:")
print(" Model use_crf: %s"%(self.use_crf))
print(" Model word extractor: %s"%(self.word_feature_extractor))
print(" Model use_char: %s"%(self.use_char))
if self.use_char:
print(" Model char extractor: %s"%(self.char_feature_extractor))
print(" Model char_hidden_dim: %s"%(self.HP_char_hidden_dim))
print(" "+"++"*20)
print(" Training:")
print(" Optimizer: %s"%(self.optimizer))
print(" Iteration: %s"%(self.HP_iteration))
print(" BatchSize: %s"%(self.HP_batch_size))
print(" Average batch loss: %s"%(self.average_batch_loss))
print(" "+"++"*20)
print(" Hyperparameters:")
print(" Hyper lr: %s"%(self.HP_lr))
print(" Hyper lr_decay: %s"%(self.HP_lr_decay))
print(" Hyper HP_clip: %s"%(self.HP_clip))
print(" Hyper momentum: %s"%(self.HP_momentum))
print(" Hyper l2: %s"%(self.HP_l2))
print(" Hyper hidden_dim: %s"%(self.HP_hidden_dim))
print(" Hyper dropout: %s"%(self.HP_dropout))
print(" Hyper lstm_layer: %s"%(self.HP_lstm_layer))
print(" Hyper bilstm: %s"%(self.HP_bilstm))
print(" Hyper GPU: %s"%(self.HP_gpu))
print(" Hyper NBEST: %s"%(self.nbest))
print(" " + "++" * 20)
print(" Both:")
print(" full data: %s" % (self.full_data))
print(" Tune word embeddings: %s" % (self.tune_wordemb))
print(" "+"++"*20)
print(" Relation:")
print(" Pretrain directory: %s" % (self.pretrain))
print(" max sequence length: %s" % (self.max_seq_len))
print(" pad index: %s" % (self.pad_idx))
print(" sentence window: %s" % (self.sent_window))
print(" Output directory: %s" % (self.output))
print(" The ratio using negative instnaces 0~1: %s" % (self.unk_ratio))
print(" Size of seqeuence feature representation: %s" % (self.seq_feature_size))
print(" Iteration for relation training: %s" % (self.max_epoch))
print(" feature_extractor: %s" % (self.feature_extractor))
print(" RE FEATURE num: %s"%(self.re_feature_num))
for idx in range(self.re_feature_num):
print(" Fe: %s alphabet size: %s"%(self.re_feature_alphabets[idx].name, self.re_feature_alphabet_sizes[idx]))
print(" Fe: %s embedding dir: %s"%(self.re_feature_alphabets[idx].name, self.re_feature_emb_dirs[idx]))
print(" Fe: %s embedding size: %s"%(self.re_feature_alphabets[idx].name, self.re_feature_emb_dims[idx]))
print(" Fe: %s norm emb: %s"%(self.re_feature_alphabets[idx].name, self.re_norm_feature_embs[idx]))
print(" RE Train instance number: %s"%(len(self.re_train_Y)))
print(" RE Dev instance number: %s"%(len(self.re_dev_Y)))
print(" RE Test instance number: %s"%(len(self.re_test_Y)))
print("DATA SUMMARY END.")
print("++"*50)
sys.stdout.flush()
def initial_feature_alphabets(self, input_file):
items = open(input_file,'r').readline().strip('\n').split()
total_column = len(items)
if total_column > 2:
id = 0
for idx in range(1, total_column-1):
feature_prefix = items[idx].split(']',1)[0]+"]"
self.feature_alphabets.append(Alphabet(feature_prefix))
self.feature_name.append(feature_prefix)
self.feature_name2id[feature_prefix] = id
id += 1
print "Find feature: ", feature_prefix
self.feature_num = len(self.feature_alphabets)
self.pretrain_feature_embeddings = [None]*self.feature_num
self.feature_emb_dims = [20]*self.feature_num
self.feature_emb_dirs = [None]*self.feature_num
self.norm_feature_embs = [False]*self.feature_num
self.feature_alphabet_sizes = [0]*self.feature_num
if self.feat_config:
for idx in range(self.feature_num):
if self.feature_name[idx] in self.feat_config:
self.feature_emb_dims[idx] = self.feat_config[self.feature_name[idx]]['emb_size']
self.feature_emb_dirs[idx] = self.feat_config[self.feature_name[idx]]['emb_dir']
self.norm_feature_embs[idx] = self.feat_config[self.feature_name[idx]]['emb_norm']
# exit(0)
def build_alphabet(self, input_file):
in_lines = open(input_file,'r').readlines()
for line in in_lines:
if len(line) > 2:
pairs = line.strip().split()
word = pairs[0].decode('utf-8')
if self.number_normalized:
word = normalize_word(word)
label = pairs[-1]
self.label_alphabet.add(label)
self.word_alphabet.add(word)
## build feature alphabet
for idx in range(self.feature_num):
feat_idx = pairs[idx+1].split(']',1)[-1]
self.feature_alphabets[idx].add(feat_idx)
for char in word:
self.char_alphabet.add(char)
self.word_alphabet_size = self.word_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
self.label_alphabet_size = self.label_alphabet.size()
for idx in range(self.feature_num):
self.feature_alphabet_sizes[idx] = self.feature_alphabets[idx].size()
startS = False
startB = False
for label,_ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
def fix_alphabet(self):
self.word_alphabet.close()
self.char_alphabet.close()
self.label_alphabet.close()
for idx in range(self.feature_num):
self.feature_alphabets[idx].close()
def initial_re_feature_alphabets(self):
id = 0
for k, v in self.re_feat_config.items():
self.re_feature_alphabets.append(Alphabet(k))
self.re_feature_name.append(k)
self.re_feature_name2id[k] = id
id += 1
self.re_feature_num = len(self.re_feature_alphabets)
self.re_pretrain_feature_embeddings = [None]*self.re_feature_num
self.re_feature_emb_dims = [20]*self.re_feature_num
self.re_feature_emb_dirs = [None]*self.re_feature_num
self.re_norm_feature_embs = [False]*self.re_feature_num
self.re_feature_alphabet_sizes = [0]*self.re_feature_num
if self.re_feat_config:
for idx in range(self.re_feature_num):
if self.re_feature_name[idx] in self.re_feat_config:
self.re_feature_emb_dims[idx] = self.re_feat_config[self.re_feature_name[idx]]['emb_size']
self.re_feature_emb_dirs[idx] = self.re_feat_config[self.re_feature_name[idx]]['emb_dir']
self.re_norm_feature_embs[idx] = self.re_feat_config[self.re_feature_name[idx]]['emb_norm']
def build_re_feature_alphabets(self, tokens, entities, relations):
entity_type_alphabet = self.re_feature_alphabets[self.re_feature_name2id['[ENTITY_TYPE]']]
entity_alphabet = self.re_feature_alphabets[self.re_feature_name2id['[ENTITY]']]
relation_alphabet = self.re_feature_alphabets[self.re_feature_name2id['[RELATION]']]
token_num_alphabet = self.re_feature_alphabets[self.re_feature_name2id['[TOKEN_NUM]']]
entity_num_alphabet = self.re_feature_alphabets[self.re_feature_name2id['[ENTITY_NUM]']]
position_alphabet = self.re_feature_alphabets[self.re_feature_name2id['[POSITION]']]
for i, doc_token in enumerate(tokens):
doc_entity = entities[i]
doc_relation = relations[i]
sent_idx = 0
sentence = doc_token[(doc_token['sent_idx'] == sent_idx)]
while sentence.shape[0] != 0:
entities_in_sentence = doc_entity[(doc_entity['sent_idx'] == sent_idx)]
for _, entity in entities_in_sentence.iterrows():
entity_type_alphabet.add(entity['type'])
tk_idx = entity['tf_start']
while tk_idx <= entity['tf_end']:
entity_alphabet.add(
my_utils1.normalizeWord(sentence.iloc[tk_idx, 0])) # assume 'text' is in 0 column
tk_idx += 1
sent_idx += 1
sentence = doc_token[(doc_token['sent_idx'] == sent_idx)]
for _, relation in doc_relation.iterrows():
relation_alphabet.add(relation['type'])
for i in range(data.max_seq_len):
token_num_alphabet.add(i)
entity_num_alphabet.add(i)
position_alphabet.add(i)
position_alphabet.add(-i)
for idx in range(self.re_feature_num):
self.re_feature_alphabet_sizes[idx] = self.re_feature_alphabets[idx].size()
def fix_re_alphabet(self):
for alphabet in self.re_feature_alphabets:
alphabet.close()
def build_pretrain_emb(self):
if self.word_emb_dir:
print("Load pretrained word embedding, norm: %s, dir: %s"%(self.norm_word_emb, self.word_emb_dir))
self.pretrain_word_embedding, self.word_emb_dim = build_pretrain_embedding(self.word_emb_dir, self.word_alphabet, self.word_emb_dim, self.norm_word_emb)
if self.char_emb_dir:
print("Load pretrained char embedding, norm: %s, dir: %s"%(self.norm_char_emb, self.char_emb_dir))
self.pretrain_char_embedding, self.char_emb_dim = build_pretrain_embedding(self.char_emb_dir, self.char_alphabet, self.char_emb_dim, self.norm_char_emb)
for idx in range(self.feature_num):
if self.feature_emb_dirs[idx]:
print("Load pretrained feature %s embedding:, norm: %s, dir: %s"%(self.feature_name[idx], self.norm_feature_embs[idx], self.feature_emb_dirs[idx]))
self.pretrain_feature_embeddings[idx], self.feature_emb_dims[idx] = build_pretrain_embedding(self.feature_emb_dirs[idx], self.feature_alphabets[idx], self.feature_emb_dims[idx], self.norm_feature_embs[idx])
def build_re_pretrain_emb(self):
for idx in range(self.re_feature_num):
if self.re_feature_emb_dirs[idx]:
print("Load pretrained re feature %s embedding:, norm: %s, dir: %s" % (self.re_feature_name[idx], self.re_norm_feature_embs[idx], self.re_feature_emb_dirs[idx]))
self.re_pretrain_feature_embeddings[idx], self.re_feature_emb_dims[idx] = build_pretrain_embedding(
self.re_feature_emb_dirs[idx], self.re_feature_alphabets[idx], self.re_feature_emb_dims[idx],
self.re_norm_feature_embs[idx])
def generate_instance(self, name, input_file):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_instance(input_file, self.word_alphabet, self.char_alphabet, self.feature_alphabets, self.label_alphabet, self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_instance(input_file, self.word_alphabet, self.char_alphabet, self.feature_alphabets, self.label_alphabet, self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "test":
self.test_texts, self.test_Ids = read_instance(input_file, self.word_alphabet, self.char_alphabet, self.feature_alphabets, self.label_alphabet, self.number_normalized, self.MAX_SENTENCE_LENGTH)
else:
print("Error: you can only generate train/dev/test instance! Illegal input:%s"%(name))
def generate_re_instance(self, name, tokens, entities, relations, names):
self.fix_re_alphabet()
if name == "train":
self.re_train_X, self.re_train_Y = relation_extraction.getRelationInstance2(tokens, entities, relations, names, self)
elif name == "dev":
self.re_dev_X, self.re_dev_Y = relation_extraction.getRelationInstance2(tokens, entities, relations, names, self)
elif name == "test":
self.re_test_X, self.re_test_Y = relation_extraction.getRelationInstance2(tokens, entities, relations, names, self)
else:
print("Error: you can only generate train/dev/test instance! Illegal input:%s"%(name))
def load(self,data_file):
f = open(data_file, 'rb')
tmp_dict = pickle.load(f)
f.close()
self.__dict__.update(tmp_dict)
def save(self,save_file):
f = open(save_file, 'wb')
pickle.dump(self.__dict__, f, 2)
f.close()
def read_config(self,config_file):
config = config_file_to_dict(config_file)
## read data:
the_item = 'train_dir'
if the_item in config:
self.train_dir = config[the_item]
the_item = 'dev_dir'
if the_item in config:
self.dev_dir = config[the_item]
the_item = 'test_dir'
if the_item in config:
self.test_dir = config[the_item]
the_item = 'model_dir'
if the_item in config:
self.model_dir = config[the_item]
the_item = 'word_emb_dir'
if the_item in config:
self.word_emb_dir = config[the_item]
the_item = 'char_emb_dir'
if the_item in config:
self.char_emb_dir = config[the_item]
the_item = 'MAX_SENTENCE_LENGTH'
if the_item in config:
self.MAX_SENTENCE_LENGTH = int(config[the_item])
the_item = 'MAX_WORD_LENGTH'
if the_item in config:
self.MAX_WORD_LENGTH = int(config[the_item])
the_item = 'norm_word_emb'
if the_item in config:
self.norm_word_emb = str2bool(config[the_item])
the_item = 'norm_char_emb'
if the_item in config:
self.norm_char_emb = str2bool(config[the_item])
the_item = 'number_normalized'
if the_item in config:
self.number_normalized = str2bool(config[the_item])
the_item = 'seg'
if the_item in config:
self.seg = str2bool(config[the_item])
the_item = 'word_emb_dim'
if the_item in config:
self.word_emb_dim = int(config[the_item])
the_item = 'char_emb_dim'
if the_item in config:
self.char_emb_dim = int(config[the_item])
## read network:
the_item = 'use_crf'
if the_item in config:
self.use_crf = str2bool(config[the_item])
the_item = 'use_char'
if the_item in config:
self.use_char = str2bool(config[the_item])
the_item = 'word_seq_feature'
if the_item in config:
self.word_feature_extractor = config[the_item]
the_item = 'char_seq_feature'
if the_item in config:
self.char_feature_extractor = config[the_item]
the_item = 'nbest'
if the_item in config:
self.nbest = int(config[the_item])
the_item = 'feature'
if the_item in config:
self.feat_config = config[the_item] ## feat_config is a dict
## read training setting:
the_item = 'optimizer'
if the_item in config:
self.optimizer = config[the_item]
the_item = 'ave_batch_loss'
if the_item in config:
self.average_batch_loss = str2bool(config[the_item])
## read Hyperparameters:
the_item = 'cnn_layer'
if the_item in config:
self.HP_cnn_layer = int(config[the_item])
the_item = 'iteration'
if the_item in config:
self.HP_iteration = int(config[the_item])
the_item = 'batch_size'
if the_item in config:
self.HP_batch_size = int(config[the_item])
the_item = 'char_hidden_dim'
if the_item in config:
self.HP_char_hidden_dim = int(config[the_item])
the_item = 'hidden_dim'
if the_item in config:
self.HP_hidden_dim = int(config[the_item])
the_item = 'dropout'
if the_item in config:
self.HP_dropout = float(config[the_item])
the_item = 'lstm_layer'
if the_item in config:
self.HP_lstm_layer = int(config[the_item])
the_item = 'bilstm'
if the_item in config:
self.HP_bilstm = str2bool(config[the_item])
the_item = 'gpu'
if the_item in config:
self.HP_gpu = int(config[the_item])
the_item = 'learning_rate'
if the_item in config:
self.HP_lr = float(config[the_item])
the_item = 'lr_decay'
if the_item in config:
self.HP_lr_decay = float(config[the_item])
the_item = 'clip'
if the_item in config:
self.HP_clip = float(config[the_item])
the_item = 'momentum'
if the_item in config:
self.HP_momentum = float(config[the_item])
the_item = 'l2'
if the_item in config:
self.HP_l2 = float(config[the_item])
# both
the_item = 'full_data'
if the_item in config:
self.full_data = str2bool(config[the_item])
the_item = 'tune_wordemb'
if the_item in config:
self.tune_wordemb = str2bool(config[the_item])
# relation
the_item = 'pretrain'
if the_item in config:
self.pretrain = config[the_item]
the_item = 'max_seq_len'
if the_item in config:
self.max_seq_len = int(config[the_item])
the_item = 'pad_idx'
if the_item in config:
self.pad_idx = int(config[the_item])
the_item = 'sent_window'
if the_item in config:
self.sent_window = int(config[the_item])
the_item = 'output'
if the_item in config:
self.output = config[the_item]
the_item = 'unk_ratio'
if the_item in config:
self.unk_ratio = float(config[the_item])
the_item = 'seq_feature_size'
if the_item in config:
self.seq_feature_size = int(config[the_item])
the_item = 'max_epoch'
if the_item in config:
self.max_epoch = int(config[the_item])
the_item = 'feature_extractor'
if the_item in config:
self.feature_extractor = config[the_item]
the_item = 're_feature'
if the_item in config:
self.re_feat_config = config[the_item] ## feat_config is a dict
class Data:
def __init__(self):
self.substring_names = ['word', 'pos', 'char', 'bpe', 'word-pos']
self.substring_maxlen = 10
self.MAX_SENTENCE_LENGTH = 250
self.MAX_WORD_LENGTH = -1
self.number_normalized = True
self.norm_word_emb = False
self.norm_char_emb = False
self.norm_trans_emb = False
self.word_alphabet = Alphabet('word')
self.char_alphabet = Alphabet('character')
self.translation_alphabet = Alphabet('translation')
self.translation_id_format = {}
self.feature_names = []
self.feature_alphabets = []
self.feature_num = len(self.feature_alphabets)
self.feat_config = None
self.label_alphabet = Alphabet('label', True)
self.tagScheme = "NoSeg" ## BMES/BIO
self.seg = True
###
self.task_name = None
### I/O
self.data_bin_dir = None
self.train_dir = None
self.dev_dir = None
self.test_dir = None
self.raw_dir = None
self.middle_dir = None
self.viterbi_inputs_model_name = None
self.trans_dir = None
self.decode_dir = None
self.model_dir = None ## model save file
self.load_model_dir = None ## model load file
self.word_emb_dir = None
self.char_emb_dir = None
self.trans_embed_dir = None
self.typeinfo_dir = None
self.feature_emb_dirs = []
self.train_texts = []
self.dev_texts = []
self.test_texts = []
self.raw_texts = []
self.train_Ids = []
self.dev_Ids = []
self.test_Ids = []
self.raw_Ids = []
self.pretrain_word_embedding = None
self.pretrain_char_embedding = None
self.pretrain_trans_embedding = None
self.pretrain_feature_embeddings = []
self.label_size = 0
self.word_alphabet_size = 0
self.char_alphabet_size = 0
self.label_alphabet_size = 0
self.trans_alphabet_size = 0
self.feature_alphabet_sizes = []
self.feature_emb_dims = []
self.norm_feature_embs = []
self.word_emb_dim = 50
self.char_emb_dim = 30
self.trans_emb_dim = 100
###Classification
## Dataset Plus
self.substring_dir = None
self.bpe_emb_dir = None
self.pos_emb_dir = None
self.pretrain_bpe_embedding = None
self.pretrain_pos_embedding = None
self.bpe_emb_dim = 30
self.pos_emb_dim = 30
self.bpe_alphabet_size = 0
self.pos_alphabet_size = 0
self.norm_bpe_emb = False
self.norm_pos_emb = False
self.bpe_texts = []
self.bpe_Ids = []
self.pos_texts = []
self.pos_Ids = []
self.label_size = 0
self.substring_train_texts = None
self.substring_train_Ids = None
self.substring_dev_texts = None
self.substring_dev_Ids = None
self.substring_test_texts = None
self.substring_test_Ids = None
self.substring_label_alphabet = Alphabet('substring_label', True)
###Networks
self.word_feature_extractor = "LSTM" # "LSTM"/"CNN"/"GRU"/
self.use_char = True
self.char_seq_feature = "CNN" # "LSTM"/"CNN"/"GRU"/None
self.use_trans = False
self.use_crf = True
self.nbest = None
self.use_mapping = False
self.mapping_func = None # tanh or sigmoid
# Training
self.save_model = True
self.state_training_name = 'default'
self.average_batch_loss = False
self.optimizer = "SGD" # "SGD"/"Adam"
self.status = "train"
self.show_loss_per_batch = 100
# Hyperparameters
self.seed_num = None
self.cnn_layer = 4
self.iteration = 100
self.batch_size = 10
self.char_hidden_dim = 50
self.trans_hidden_dim = 50
self.hidden_dim = 200
self.dropout = 0.5
self.lstm_layer = 1
self.bilstm = True
self.gpu = False
self.lr = 0.015
self.lr_decay = 0.05
self.clip = None
self.momentum = 0
self.l2 = 1e-8
# circul
self.circul_time = 4
self.circul_deepth = 2
self.circul_gather_output_mode = "concat"
# decode prepare
self.decode_prepare_mode = 'example'
def init_substring_instance(self):
len_names = len(self.substring_names)
self.substring_train_texts = [[[]
for _ in range(self.substring_maxlen)]
for _ in range(len_names)]
self.substring_train_Ids = [[[] for _ in range(self.substring_maxlen)]
for _ in range(len_names)]
self.substring_dev_texts = [[[] for _ in range(self.substring_maxlen)]
for _ in range(len_names)]
self.substring_dev_Ids = [[[] for _ in range(self.substring_maxlen)]
for _ in range(len_names)]
self.substring_test_texts = [[[] for _ in range(self.substring_maxlen)]
for _ in range(len_names)]
self.substring_test_Ids = [[[] for _ in range(self.substring_maxlen)]
for _ in range(len_names)]
def show_data_summary(self):
print("++" * 50)
print("DATA SUMMARY START:")
print(" I/O:")
print(" Tag scheme: %s" % (self.tagScheme))
print(" MAX SENTENCE LENGTH: %s" % (self.MAX_SENTENCE_LENGTH))
print(" MAX WORD LENGTH: %s" % (self.MAX_WORD_LENGTH))
print(" Number normalized: %s" % (self.number_normalized))
print(" Word alphabet size: %s" % (self.word_alphabet_size))
print(" Char alphabet size: %s" % (self.char_alphabet_size))
print(" Label alphabet size: %s" % (self.label_alphabet_size))
print(" Trans alphabet size: %s" % (self.trans_alphabet_size))
print(" Word embedding dir: %s" % (self.word_emb_dir))
print(" Char embedding dir: %s" % (self.char_emb_dir))
print(" Tran embedding dir: %s" % (self.trans_embed_dir))
print(" Word embedding size: %s" % (self.word_emb_dim))
print(" Char embedding size: %s" % (self.char_emb_dim))
print(" Tran embedding size: %s" % (self.trans_emb_dim))
print(" Norm word emb: %s" % (self.norm_word_emb))
print(" Norm char emb: %s" % (self.norm_char_emb))
print(" Norm tran emb: %s" % (self.norm_trans_emb))
print("++" * 50)
print(" task name: %s" % (self.task_name))
print("++" * 50)
print(" Data bin file directory: %s" % (self.data_bin_dir))
print(" Train file directory: %s" % (self.train_dir))
print(" Dev file directory: %s" % (self.dev_dir))
print(" Test file directory: %s" % (self.test_dir))
print(" Raw file directory: %s" % (self.raw_dir))
print(" Middle file directory: %s" % (self.middle_dir))
print(" viterbi inputs model name: %s" %
(self.viterbi_inputs_model_name))
if self.typeinfo_dir:
print(" typeinfo directory: %s" % (self.typeinfo_dir))
print(" Model file directory: %s" % (self.model_dir))
print(" Loadmodel directory: %s" % (self.load_model_dir))
print(" Decode file directory: %s" % (self.decode_dir))
print(" Train instance number: %s" % (len(self.train_texts)))
print(" Dev instance number: %s" % (len(self.dev_texts)))
print(" Test instance number: %s" % (len(self.test_texts)))
print(" Raw instance number: %s" % (len(self.raw_texts)))
print(" FEATURE num: %s" % (self.feature_num))
for idx in range(self.feature_num):
print(" Fe: %s alphabet size: %s" %
(self.feature_alphabets[idx].name,
self.feature_alphabet_sizes[idx]))
print(
" Fe: %s embedding dir: %s" %
(self.feature_alphabets[idx].name, self.feature_emb_dirs[idx]))
print(
" Fe: %s embedding size: %s" %
(self.feature_alphabets[idx].name, self.feature_emb_dims[idx]))
print(" Fe: %s norm emb: %s" %
(self.feature_alphabets[idx].name,
self.norm_feature_embs[idx]))
print(" " + "++" * 20)
print(" Model Network:")
print(" Model use_crf: %s" % (self.use_crf))
print(" Model word extractor: %s" % (self.word_feature_extractor))
print(" Model use_char: %s" % (self.use_char))
if self.use_char:
print(" Model char_seq_feature: %s" % (self.char_seq_feature))
print(" Model char_hidden_dim: %s" % (self.char_hidden_dim))
if self.use_trans:
print(" Model trans_hidden_dim: %s" % (self.trans_hidden_dim))
if self.use_mapping:
print(" Model mapping function: %s" % (self.mapping_func))
print(" " + "++" * 20)
print(" Training:")
print(" show_loss_per_batch: %s" % (self.show_loss_per_batch))
print(" save_model: %s" % (self.save_model))
print(" state_training_name: %s" % (self.state_training_name))
print(" Optimizer: %s" % (self.optimizer))
print(" Iteration: %s" % (self.iteration))
print(" BatchSize: %s" % (self.batch_size))
print(" Average batch loss: %s" % (self.average_batch_loss))
print(" " + "++" * 20)
print(" Hyperparameters:")
print(" Hyper seed_num: %s" % (self.seed_num))
print(" Hyper lr: %s" % (self.lr))
print(" Hyper lr_decay: %s" % (self.lr_decay))
print(" Hyper clip: %s" % (self.clip))
print(" Hyper momentum: %s" % (self.momentum))
print(" Hyper l2: %s" % (self.l2))
print(" Hyper hidden_dim: %s" % (self.hidden_dim))
print(" Hyper dropout: %s" % (self.dropout))
print(" Hyper lstm_layer: %s" % (self.lstm_layer))
print(" Hyper bilstm: %s" % (self.bilstm))
print(" Hyper GPU: %s" % (self.gpu))
print("DATA SUMMARY END.")
print("++" * 50)
print(" substring dir : %s" % (self.substring_dir))
print(" bpe_emb_dir dir : %s" % (self.bpe_emb_dir))
print(" pos_emb_dir dir : %s" % (self.pos_emb_dir))
print("++" * 50)
print(" circul time : %s" % (self.circul_time))
print(" circul deepth : %s" % (self.circul_deepth))
print(" gather output mode : %s" % (self.circul_gather_output_mode))
print("++" * 50)
print(" decode prepare mode : %s" % (self.decode_prepare_mode))
print("++" * 50)
sys.stdout.flush()
def make_substring_label_alphabet(self):
for label in self.label_alphabet.instances:
label = label.split('-')[-1]
self.substring_label_alphabet.add(label)
self.substring_label_alphabet.close()
def initial_feature_alphabets(self):
items = open(self.train_dir, 'r').readline().strip('\n').split()
total_column = len(items)
if total_column > 2:
for idx in range(1, total_column - 1):
feature_prefix = 'feature_' + str(idx)
self.feature_alphabets.append(Alphabet(feature_prefix))
self.feature_names.append(feature_prefix)
print "Find feature: ", feature_prefix
self.feature_num = len(self.feature_alphabets)
self.pretrain_feature_embeddings = [None] * self.feature_num
self.feature_emb_dims = [20] * self.feature_num
self.feature_emb_dirs = [None] * self.feature_num
self.norm_feature_embs = [False] * self.feature_num
self.feature_alphabet_sizes = [0] * self.feature_num
if self.feat_config:
for idx in range(self.feature_num):
self.feature_emb_dims[idx] = self.feat_config[
self.feature_names[idx]]['emb_size']
self.feature_emb_dirs[idx] = self.feat_config[
self.feature_names[idx]]['emb_dir']
self.norm_feature_embs[idx] = self.feat_config[
self.feature_names[idx]]['emb_norm']
# exit(0)
def build_alphabet(self, input_file):
in_lines = open(input_file, 'r').readlines()
for line in in_lines:
if len(line) > 2:
pairs = line.strip().split()
word = pairs[0].decode('windows-1252')
# word = pairs[0].decode('utf-8')
if self.number_normalized:
word = normalize_word(word)
label = pairs[-1]
self.label_alphabet.add(label)
self.word_alphabet.add(word)
## build feature alphabet
for idx in range(self.feature_num):
feat_idx = pairs[idx + 1].split(']', 1)[-1]
self.feature_alphabets[idx].add(feat_idx)
for char in word:
self.char_alphabet.add(char)
self.word_alphabet_size = self.word_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
self.label_alphabet_size = self.label_alphabet.size()
for idx in range(self.feature_num):
self.feature_alphabet_sizes[idx] = self.feature_alphabets[
idx].size()
startS = False
startB = False
for label, _ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
def build_alphabet_substring(self, input_file_dir, substring_file_prefix):
## will not read lables
input_files = os.listdir(input_file_dir)
print input_files
for input_file in input_files:
plus_feature = ''
input_file_name = os.path.split(input_file)[1]
if input_file_name.split('.')[0] != substring_file_prefix:
continue
if 'bpe' in input_file_name:
plus_feature = 'bpe'
elif 'word' in input_file_name:
plus_feature = 'word'
if plus_feature == '':
continue
in_lines = open(input_file_dir + input_file, 'r').readlines()
for line in in_lines:
if len(line.strip()) > 0:
pairs = line.strip().split('\t')
words = pairs[0].decode('windows-1252')
# word = pairs[0].decode('utf-8')
if self.number_normalized:
words = normalize_word(words)
labels = pairs[-1]
for word in words.split():
self.word_alphabet.add(word)
for char in word:
self.char_alphabet.add(char)
self.word_alphabet_size = self.word_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
def fix_alphabet(self):
self.word_alphabet.close()
self.char_alphabet.close()
self.label_alphabet.close()
self.translation_alphabet.close()
for idx in range(self.feature_num):
self.feature_alphabets[idx].close()
def build_pretrain_emb(self):
if self.word_emb_dir:
print("Load pretrained word embedding, norm: %s, dir: %s" %
(self.norm_word_emb, self.word_emb_dir))
self.pretrain_word_embedding, self.word_emb_dim = build_pretrain_embedding(
self.word_emb_dir, self.word_alphabet, self.word_emb_dim,
self.norm_word_emb)
if self.typeinfo_dir:
type_info_matrix = []
with codecs.open(self.typeinfo_dir, 'r') as typeinfo_file:
type_info_lines = typeinfo_file.readlines()
for line in type_info_lines:
line = line.rstrip().split()
for i, _ in enumerate(line):
line[i] = float(line[i])
line = np.array(line)
type_info_matrix.append(line)
print(
"Caculate type info distribution,and concate word and type......"
)
cos_res = []
for i, word_embed in enumerate(self.pretrain_word_embedding):
word_type_info = []
if i == 0:
word_type_info = np.random.random(
size=len(type_info_matrix))
cos_res.append(word_type_info)
else:
for type_info in type_info_matrix:
cos_sim = 1 - spatial.distance.cosine(
word_embed, type_info)
word_type_info.append(cos_sim)
cos_res.append(word_type_info)
cos_res = np.array(cos_res)
cos_res = sigmoid(cos_res)
self.pretrain_word_embedding = np.concatenate(
[self.pretrain_word_embedding, cos_res], axis=1)
print "type info length:{}".format(len(type_info_matrix))
self.word_emb_dim += len(type_info_matrix)
print "new word dim is :{}".format(self.word_emb_dim)
if self.char_emb_dir:
print("Load pretrained char embedding, norm: %s, dir: %s" %
(self.norm_char_emb, self.char_emb_dir))
self.pretrain_char_embedding, self.char_emb_dim = build_pretrain_embedding(
self.char_emb_dir, self.char_alphabet, self.char_emb_dim,
self.norm_char_emb)
if self.trans_embed_dir:
print("Load pretrained trans embedding, norm: %s, dir: %s" %
(self.norm_trans_emb, self.trans_embed_dir))
self.pretrain_trans_embedding, self.trans_emb_dim = build_chi_pretrain_embedding(
self.trans_embed_dir, self.translation_alphabet,
self.trans_emb_dim, self.norm_trans_emb)
for idx in range(self.feature_num):
if self.feature_emb_dirs[idx]:
print(
"Load pretrained feature %s embedding:, norm: %s, dir: %s"
% (self.feature_name[idx], self.norm_feature_embs[idx],
self.feature_emb_dirs[idx]))
self.pretrain_feature_embeddings[idx], self.feature_emb_dims[
idx] = build_pretrain_embedding(
self.feature_emb_dirs[idx],
self.feature_alphabets[idx],
self.feature_emb_dims[idx],
self.norm_feature_embs[idx])
def generate_instance(self, name):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_instance(
self.train_dir, self.word_alphabet, self.char_alphabet,
self.feature_alphabets, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH,
self.translation_id_format)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_instance(
self.dev_dir, self.word_alphabet, self.char_alphabet,
self.feature_alphabets, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH,
self.translation_id_format)
elif name == "test":
self.test_texts, self.test_Ids = read_instance(
self.test_dir, self.word_alphabet, self.char_alphabet,
self.feature_alphabets, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH,
self.translation_id_format)
elif name == "raw":
self.raw_texts, self.raw_Ids = read_instance(
self.raw_dir, self.word_alphabet, self.char_alphabet,
self.feature_alphabets, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH,
self.translation_id_format)
else:
print(
"Error: you can only generate train/dev/test instance! Illegal input:%s"
% (name))
def generate_instance_substring(self, substring_file_prefix):
self.init_substring_instance()
self.make_substring_label_alphabet()
input_files = os.listdir(self.substring_dir)
print input_files
for input_file in input_files:
input_file_name = os.path.split(input_file)[1]
input_file_dir = os.path.join(self.substring_dir, input_file_name)
input_file_name_split = input_file_name.split('.')
if input_file_name_split[0] != substring_file_prefix:
continue
print('dealing %s' % (input_file_name))
name = input_file_name_split[1]
feature_name = input_file_name_split[2]
f_l = int(input_file_name_split[-1][3:]) #feature_len
if feature_name == 'word':
alphabet = self.word_alphabet
elif feature_name == 'char':
alphabet = self.char_alphabet
elif feature_name == 'pos':
alphabet = self.feature_alphabets[0]
elif feature_name == 'bpe':
alphabet = self.feature_alphabets[1]
s_f_id = self.substring_names.index(
feature_name) #substring_feature_id
if name == "train":
self.substring_train_texts[s_f_id][f_l], self.substring_train_Ids[s_f_id][f_l]\
= read_instance_substring(input_file_dir, alphabet, self.substring_label_alphabet, self.number_normalized)
elif name == "testa":
self.substring_dev_texts[s_f_id][f_l], self.substring_dev_Ids[s_f_id][f_l] \
= read_instance_substring(input_file_dir, alphabet, self.substring_label_alphabet, self.number_normalized)
elif name == "testb":
self.substring_test_texts[s_f_id][f_l], self.substring_test_Ids[s_f_id][f_l] \
= read_instance_substring(input_file_dir, alphabet, self.substring_label_alphabet, self.number_normalized)
else:
print(
"Error: you can only generate train/testa/testb instance! Illegal input:%s"
% (name))
def write_decoded_results(self, predict_results, name):
fout = open(self.decode_dir, 'w')
sent_num = len(predict_results)
content_list = []
if name == 'raw':
content_list = self.raw_texts
elif name == 'test':
content_list = self.test_texts
elif name == 'dev':
content_list = self.dev_texts
elif name == 'train':
content_list = self.train_texts
else:
print(
"Error: illegal name during writing predict result, name should be within train/dev/test/raw !"
)
assert (sent_num == len(content_list))
for idx in range(sent_num):
sent_length = len(predict_results[idx])
for idy in range(sent_length):
## content_list[idx] is a list with [word, char, label]
fout.write(content_list[idx][0][idy].encode('utf-8') + " " +
predict_results[idx][idy] + '\n')
fout.write('\n')
fout.close()
print("Predict %s result has been written into file. %s" %
(name, self.decode_dir))
def load(self, data_file):
f = open(data_file, 'rb')
tmp_dict = pickle.load(f)
f.close()
self.__dict__.update(tmp_dict)
def save(self, save_file):
f = open(save_file, 'wb')
pickle.dump(self.__dict__, f, 2)
f.close()
def write_nbest_decoded_results(self, predict_results, pred_scores, name):
## predict_results : [whole_sent_num, nbest, each_sent_length]
## pred_scores: [whole_sent_num, nbest]
fout = open(self.decode_dir, 'w')
sent_num = len(predict_results)
content_list = []
if name == 'raw':
content_list = self.raw_texts
elif name == 'test':
content_list = self.test_texts
elif name == 'dev':
content_list = self.dev_texts
elif name == 'train':
content_list = self.train_texts
else:
print(
"Error: illegal name during writing predict result, name should be within train/dev/test/raw !"
)
assert (sent_num == len(content_list))
assert (sent_num == len(pred_scores))
for idx in range(sent_num):
sent_length = len(predict_results[idx][0])
nbest = len(predict_results[idx])
score_string = "# "
for idz in range(nbest):
score_string += format(pred_scores[idx][idz], '.4f') + " "
fout.write(score_string.strip() + "\n")
for idy in range(sent_length):
label_string = content_list[idx][0][idy].encode('utf-8') + " "
for idz in range(nbest):
label_string += predict_results[idx][idz][idy] + " "
label_string = label_string.strip() + "\n"
fout.write(label_string)
fout.write('\n')
fout.close()
print("Predict %s %s-best result has been written into file. %s" %
(name, nbest, self.decode_dir))
def read_config(self, config_file):
config = config_file_to_dict(config_file)
## task:
the_item = 'task_name'
if the_item in config:
self.task_name = config[the_item]
## read data:
the_item = 'data_bin_dir'
if the_item in config:
self.data_bin_dir = config[the_item]
the_item = 'train_dir'
if the_item in config:
self.train_dir = config[the_item]
the_item = 'dev_dir'
if the_item in config:
self.dev_dir = config[the_item]
the_item = 'test_dir'
if the_item in config:
self.test_dir = config[the_item]
the_item = 'trans_dir'
if the_item in config:
self.trans_dir = config[the_item]
the_item = 'middle_dir'
if the_item in config:
self.middle_dir = config[the_item]
the_item = 'viterbi_inputs_model_name'
if the_item in config:
self.viterbi_inputs_model_name = config[the_item]
the_item = 'substring_dir'
if the_item in config:
self.substring_dir = config[the_item]
the_item = 'bpe_emb_dir'
if the_item in config:
self.bpe_emb_dir = config[the_item]
the_item = 'pos_emb_dir'
if the_item in config:
self.pos_emb_dir = config[the_item]
the_item = 'raw_dir'
if the_item in config:
self.raw_dir = config[the_item]
the_item = 'decode_dir'
if the_item in config:
self.decode_dir = config[the_item]
the_item = 'model_dir'
if the_item in config:
self.model_dir = config[the_item]
the_item = 'load_model_dir'
if the_item in config:
self.load_model_dir = config[the_item]
the_item = 'word_emb_dir'
if the_item in config:
self.word_emb_dir = config[the_item]
the_item = 'char_emb_dir'
if the_item in config:
self.char_emb_dir = config[the_item]
the_item = 'trans_embed_dir'
if the_item in config:
self.trans_embed_dir = config[the_item]
the_item = 'typeinfo_dir'
if the_item in config:
self.typeinfo_dir = config[the_item]
the_item = 'MAX_SENTENCE_LENGTH'
if the_item in config:
self.MAX_SENTENCE_LENGTH = int(config[the_item])
the_item = 'MAX_WORD_LENGTH'
if the_item in config:
self.MAX_WORD_LENGTH = int(config[the_item])
the_item = 'norm_word_emb'
if the_item in config:
self.norm_word_emb = str2bool(config[the_item])
the_item = 'norm_char_emb'
if the_item in config:
self.norm_char_emb = str2bool(config[the_item])
the_item = 'number_normalized'
if the_item in config:
self.number_normalized = str2bool(config[the_item])
the_item = 'seg'
if the_item in config:
self.seg = str2bool(config[the_item])
the_item = 'word_emb_dim'
if the_item in config:
self.word_emb_dim = int(config[the_item])
the_item = 'char_emb_dim'
if the_item in config:
self.char_emb_dim = int(config[the_item])
the_item = 'trans_emb_dim'
if the_item in config:
self.trans_emb_dim = int(config[the_item])
## read network:
the_item = 'use_crf'
if the_item in config:
self.use_crf = str2bool(config[the_item])
the_item = 'use_char'
if the_item in config:
self.use_char = str2bool(config[the_item])
the_item = 'use_trans'
if the_item in config:
self.use_trans = str2bool(config[the_item])
the_item = 'use_mapping'
if the_item in config:
self.use_mapping = str2bool(config[the_item])
the_item = 'mapping_func'
if the_item in config:
self.mapping_func = config[the_item]
the_item = 'word_seq_feature'
if the_item in config:
self.word_feature_extractor = config[the_item]
the_item = 'char_seq_feature'
if the_item in config:
self.char_seq_feature = config[the_item]
the_item = 'nbest'
if the_item in config:
self.nbest = int(config[the_item])
the_item = 'feature'
if the_item in config:
self.feat_config = config[the_item] ## feat_config is a dict
## read training setting:
the_item = 'save_model'
if the_item in config:
self.save_model = str2bool(config[the_item])
the_item = 'state_training_name'
if the_item in config:
self.state_training_name = config[the_item]
the_item = 'optimizer'
if the_item in config:
self.optimizer = config[the_item]
the_item = 'ave_batch_loss'
if the_item in config:
self.average_batch_loss = str2bool(config[the_item])
the_item = 'status'
if the_item in config:
self.status = config[the_item]
the_item = 'show_loss_per_batch'
if the_item in config:
self.show_loss_per_batch = int(config[the_item])
## read Hyperparameters:
the_item = 'seed_num'
if the_item in config:
if config[the_item] != 'None':
self.seed_num = int(config[the_item])
the_item = 'cnn_layer'
if the_item in config:
self.cnn_layer = int(config[the_item])
the_item = 'iteration'
if the_item in config:
self.iteration = int(config[the_item])
the_item = 'batch_size'
if the_item in config:
self.batch_size = int(config[the_item])
the_item = 'char_hidden_dim'
if the_item in config:
self.char_hidden_dim = int(config[the_item])
the_item = 'trans_hidden_dim'
if the_item in config:
self.trans_hidden_dim = int(config[the_item])
the_item = 'hidden_dim'
if the_item in config:
self.hidden_dim = int(config[the_item])
the_item = 'dropout'
if the_item in config:
self.dropout = float(config[the_item])
the_item = 'lstm_layer'
if the_item in config:
self.lstm_layer = int(config[the_item])
the_item = 'bilstm'
if the_item in config:
self.bilstm = str2bool(config[the_item])
the_item = 'gpu'
if the_item in config:
self.gpu = str2bool(config[the_item])
the_item = 'learning_rate'
if the_item in config:
self.lr = float(config[the_item])
the_item = 'lr_decay'
if the_item in config:
self.lr_decay = float(config[the_item])
the_item = 'clip'
if the_item in config:
if config[the_item] == 'None':
self.clip = None
else:
self.clip = float(config[the_item])
the_item = 'momentum'
if the_item in config:
self.momentum = float(config[the_item])
the_item = 'l2'
if the_item in config:
self.l2 = float(config[the_item])
###base2
the_item = 'feature_name'
if the_item in config:
self.feature_name = config[the_item]
the_item = 'feature_length'
if the_item in config:
self.feature_length = int(config[the_item])
the_item = 'class_num'
if the_item in config:
self.class_num = int(config[the_item])
the_item = 'feature_ans'
if the_item in config:
self.feature_ans = config[the_item]
###circul
the_item = 'circul_time'
if the_item in config:
self.circul_time = config[the_item]
the_item = 'circul_deepth'
if the_item in config:
self.circul_deepth = config[the_item]
the_item = 'circul_gather_output_mode'
if the_item in config:
self.circul_gather_output_mode = config[the_item]
###decode_prepare
the_item = 'decode_prepare_mode'
if the_item in config:
self.decode_prepare_mode = config[the_item]
def read_arg(self, args):
if args.task_name != None: self.task_name = args.task_name
if args.data_bin_dir != None: self.data_bin_dir = args.data_bin_dir
if args.train_dir != None: self.train_dir = args.train_dir
if args.dev_dir != None: self.dev_dir = args.dev_dir
if args.test_dir != None: self.test_dir = args.test_dir
if args.trans_dir != None: self.trans_dir = args.trans_dir
if args.word_emb_dir != None: self.word_emb_dir = args.word_emb_dir
if args.trans_embed_dir != None:
self.trans_embed_dir = args.trans_embed_dir
if args.middle_dir != None: self.middle_dir = args.middle_dir
if args.viterbi_inputs_model_name != None:
self.viterbi_inputs_model_name = args.viterbi_inputs_model_name
if args.substring_dir != None: self.substring_dir = args.substring_dir
if args.bpe_emb_dir != None: self.bpe_emb_dir = args.bpe_emb_dir
if args.pos_emb_dir != None: self.pos_emb_dir = args.pos_emb_dir
if args.model_dir != None: self.model_dir = args.model_dir
if args.norm_word_emb != None: self.norm_word_emb = args.norm_word_emb
if args.norm_char_emb != None: self.norm_char_emb = args.norm_char_emb
if args.word_emb_dim != None: self.word_emb_dim = args.word_emb_dim
if args.char_emb_dim != None: self.char_emb_dim = args.char_emb_dim
if args.trans_emb_dim != None: self.trans_emb_dim = args.trans_emb_dim
if args.number_normalized != None:
self.number_normalized = args.number_normalized
if args.seg != None: self.seg = args.seg
if args.use_crf != None: self.use_crf = args.use_crf
if args.use_char != None: self.use_char = args.use_char
if args.use_trans != None: self.use_trans = args.use_trans
if args.word_seq_feature != None:
self.word_seq_feature = args.word_seq_feature
if args.char_seq_feature != None:
self.char_seq_feature = args.char_seq_feature
if args.nbest != None: self.nbest = args.nbest
if args.status != None: self.status = args.status
if args.state_training_name != None:
self.state_training_name = args.state_training_name
if args.save_model != None: self.save_model = args.save_model
if args.optimizer != None: self.optimizer = args.optimizer
if args.iteration != None: self.iteration = args.iteration
if args.batch_size != None: self.batch_size = args.batch_size
if args.ave_batch_loss != None:
self.ave_batch_loss = args.ave_batch_loss
if args.show_loss_per_batch != None:
self.show_loss_per_batch = args.show_loss_per_batch
if args.seed_num != None: self.seed_num = args.seed_num
if args.cnn_layer != None: self.cnn_layer = args.cnn_layer
if args.char_hidden_dim != None:
self.char_hidden_dim = args.char_hidden_dim
if args.trans_hidden_dim != None:
self.trans_hidden_dim = args.trans_hidden_dim
if args.hidden_dim != None: self.hidden_dim = args.hidden_dim
if args.dropout != None: self.dropout = args.dropout
if args.lstm_layer != None: self.lstm_layer = args.lstm_layer
if args.bilstm != None: self.bilstm = args.bilstm
if args.learning_rate != None: self.learning_rate = args.learning_rate
if args.lr_decay != None: self.lr_decay = args.lr_decay
if args.momentum != None: self.momentum = args.momentum
if args.l2 != None: self.l2 = args.l2
if args.gpu != None: self.gpu = args.gpu
if args.clip != None: self.clip = args.clip
###base2
if args.feature_name != None: self.feature_name = args.feature_name
if args.feature_length != None:
self.feature_length = args.feature_length
if args.class_num != None: self.class_num = args.class_num
if args.feature_ans != None:
self.feature_ans = args.feature_ans
###circul
if args.circul_time != None: self.circul_time = args.circul_time
if args.circul_deepth != None: self.circul_deepth = args.circul_deepth
if args.circul_gather_output_mode != None:
self.circul_gather_output_mode = args.circul_gather_output_mode
###decode_prepare
if args.decode_prepare_mode != None:
self.decode_prepare_mode = args.decode_prepare_mode
def build_translation_alphabet(self, trans_path):
print("Creating translation alphabet......")
with codecs.open(trans_path, 'r', "utf-8") as f:
lines = f.readlines()
for line in lines:
if len(line.strip().split(":")) == 2:
temp = line.strip().split(":", 1)
words = temp[1].split()
for word in words:
self.translation_alphabet.add(word.strip())
self.trans_alphabet_size = self.translation_alphabet.size()
def build_translation_dict(self, trans_path):
print("Creating Id to Id translation dictionary......")
translation_id_format_temp = {}
with codecs.open(trans_path, 'r', "utf-8") as f:
lines = f.readlines()
for line in lines:
ids = []
if len(line.strip().split(":", 1)) == 2:
temp = line.strip().split(":", 1)
word_id = self.word_alphabet.get_index(temp[0].strip())
translations = temp[1].split()
for translation in translations:
ids.append(
self.translation_alphabet.get_index(
translation.strip()))
if ids == []:
ids = [0]
translation_id_format_temp[word_id] = ids
for word in self.word_alphabet.instances:
if self.word_alphabet.get_index(
word) in translation_id_format_temp.keys():
self.translation_id_format[self.word_alphabet.get_index(
word)] = translation_id_format_temp[
self.word_alphabet.get_index(word)]
else:
self.translation_id_format[self.word_alphabet.get_index(
word)] = [0]
class Data:
def __init__(self):
self.MAX_SENTENCE_LENGTH = 250
self.MAX_WORD_LENGTH = -1
self.number_normalized = True
self.norm_word_emb = False
self.norm_char_emb = False
self.word_alphabet = Alphabet('word')
self.char_alphabet = Alphabet('character')
# self.word_alphabet.add(START)
# self.word_alphabet.add(UNKNOWN)
# self.char_alphabet.add(START)
# self.char_alphabet.add(UNKNOWN)
# self.char_alphabet.add(PADDING)
self.label_alphabet = Alphabet('label', True)
self.tagScheme = "NoSeg"
self.char_features = "LSTM" ## "LSTM"/"CNN"
self.train_texts = []
self.dev_texts = []
self.test_texts = []
self.raw_texts = []
self.train_Ids = []
self.dev_Ids = []
self.test_Ids = []
self.raw_Ids = []
self.word_emb_dim = 50
self.char_emb_dim = 30
self.pretrain_word_embedding = None
self.pretrain_char_embedding = None
self.label_size = 0
self.word_alphabet_size = 0
self.char_alphabet_size = 0
self.label_alphabet_size = 0
### hyperparameters
self.HP_iteration = 100
self.HP_batch_size = 10
self.HP_average_batch_loss = False
self.HP_char_hidden_dim = 50
self.HP_hidden_dim = 50
self.HP_dropout = 0.5
self.HP_lstm_layer = 1
self.HP_bilstm = True
self.HP_use_char = False
self.HP_gpu = False
self.HP_lr = 0.015
self.HP_lr_decay = 0.05
self.HP_clip = None
self.HP_momentum = 0
def show_data_summary(self):
print("DATA SUMMARY START:")
print(" Tag scheme: %s" % (self.tagScheme))
print(" MAX SENTENCE LENGTH: %s" % (self.MAX_SENTENCE_LENGTH))
print(" MAX WORD LENGTH: %s" % (self.MAX_WORD_LENGTH))
print(" Number normalized: %s" % (self.number_normalized))
print(" Word alphabet size: %s" % (self.word_alphabet_size))
print(" Char alphabet size: %s" % (self.char_alphabet_size))
print(" Label alphabet size: %s" % (self.label_alphabet_size))
print(" Word embedding size: %s" % (self.word_emb_dim))
print(" Char embedding size: %s" % (self.char_emb_dim))
print(" Norm word emb: %s" % (self.norm_word_emb))
print(" Norm char emb: %s" % (self.norm_char_emb))
print(" Train instance number: %s" % (len(self.train_texts)))
print(" Dev instance number: %s" % (len(self.dev_texts)))
print(" Test instance number: %s" % (len(self.test_texts)))
print(" Raw instance number: %s" % (len(self.raw_texts)))
print(" Hyper iteration: %s" % (self.HP_iteration))
print(" Hyper batch size: %s" % (self.HP_batch_size))
print(" Hyper average batch: %s" % (self.HP_average_batch_loss))
print(" Hyper lr: %s" % (self.HP_lr))
print(" Hyper lr_decay: %s" % (self.HP_lr_decay))
print(" Hyper HP_clip: %s" % (self.HP_clip))
print(" Hyper momentum: %s" % (self.HP_momentum))
print(" Hyper hidden_dim: %s" % (self.HP_hidden_dim))
print(" Hyper dropout: %s" % (self.HP_dropout))
print(" Hyper lstm_layer: %s" % (self.HP_lstm_layer))
print(" Hyper bilstm: %s" % (self.HP_bilstm))
print(" Hyper GPU: %s" % (self.HP_gpu))
print(" Hyper use_char: %s" % (self.HP_use_char))
if self.HP_use_char:
print(" Char_features: %s" % (self.char_features))
print("DATA SUMMARY END.")
sys.stdout.flush()
def refresh_label_alphabet(self, input_file):
old_size = self.label_alphabet_size
self.label_alphabet.clear(True)
in_lines = open(input_file, 'r').readlines()
for line in in_lines:
if len(line) > 2:
pairs = line.strip().split()
label = pairs[-1]
self.label_alphabet.add(label)
self.label_alphabet_size = self.label_alphabet.size()
startS = False
startB = False
for label, _ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
self.fix_alphabet()
print("Refresh label alphabet finished: old:%s -> new:%s" %
(old_size, self.label_alphabet_size))
def extend_word_char_alphabet(self, input_file_list):
old_word_size = self.word_alphabet_size
old_char_size = self.char_alphabet_size
for input_file in input_file_list:
in_lines = open(input_file, 'r').readlines()
for line in in_lines:
if len(line) > 2:
pairs = line.strip().split()
word = pairs[0]
if self.number_normalized:
word = normalize_word(word)
self.word_alphabet.add(word)
for char in word:
self.char_alphabet.add(char)
self.word_alphabet_size = self.word_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
print("Extend word/char alphabet finished!")
print(" old word:%s -> new word:%s" %
(old_word_size, self.word_alphabet_size))
print(" old char:%s -> new char:%s" %
(old_char_size, self.char_alphabet_size))
for input_file in input_file_list:
print(" from file:%s" % (input_file))
def build_alphabet(self, input_file):
in_lines_string = open(input_file + ".string.txt", 'r').readlines()
in_lines_label = open(input_file + ".label.txt", 'r').readlines()
for line_string, line_label in zip(in_lines_string, in_lines_label):
print(line_label)
print(line_string)
line_label = line_label[:-1].split(',')
line_string = line_string[:-1]
assert len(line_label) == len(line_string)
for i in range(len(line_label)):
self.label_alphabet.add(line_label[i])
self.word_alphabet.add(line_string[i])
self.char_alphabet.add("*")
self.word_alphabet_size = self.word_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
self.label_alphabet_size = self.label_alphabet.size()
startS = False
startB = False
for label, _ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
def fix_alphabet(self):
self.word_alphabet.close()
self.char_alphabet.close()
self.label_alphabet.close()
def build_word_pretrain_emb(self, emb_path):
self.pretrain_word_embedding, self.word_emb_dim = build_pretrain_embedding(
emb_path, self.word_alphabet, self.word_emb_dim,
self.norm_word_emb)
def build_char_pretrain_emb(self, emb_path):
self.pretrain_char_embedding, self.char_emb_dim = build_pretrain_embedding(
emb_path, self.char_alphabet, self.char_emb_dim,
self.norm_char_emb)
def generate_instance(self, input_file, name):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_instance(
input_file, self.word_alphabet, self.char_alphabet,
self.label_alphabet, self.number_normalized,
self.MAX_SENTENCE_LENGTH)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_instance(
input_file, self.word_alphabet, self.char_alphabet,
self.label_alphabet, self.number_normalized,
self.MAX_SENTENCE_LENGTH)
elif name == "test":
self.test_texts, self.test_Ids = read_instance(
input_file, self.word_alphabet, self.char_alphabet,
self.label_alphabet, self.number_normalized,
self.MAX_SENTENCE_LENGTH)
elif name == "raw":
self.raw_texts, self.raw_Ids = read_instance(
input_file, self.word_alphabet, self.char_alphabet,
self.label_alphabet, self.number_normalized,
self.MAX_SENTENCE_LENGTH)
else:
print(
"Error: you can only generate train/dev/test instance! Illegal input:%s"
% (name))
def write_decoded_results(self, output_file, predict_results, name):
fout = open(output_file, 'w')
sent_num = len(predict_results)
content_list = []
if name == 'raw':
content_list = self.raw_texts
elif name == 'test':
content_list = self.test_texts
elif name == 'dev':
content_list = self.dev_texts
elif name == 'train':
content_list = self.train_texts
else:
print(
"Error: illegal name during writing predict result, name should be within train/dev/test/raw !"
)
assert (sent_num == len(content_list))
for idx in range(sent_num):
sent_length = len(predict_results[idx])
for idy in range(sent_length):
## content_list[idx] is a list with [word, char, label]
fout.write(content_list[idx][0][idy].encode('utf-8') + " " +
predict_results[idx][idy] + '\n')
fout.write('\n')
fout.close()
print("Predict %s result has been written into file. %s" %
(name, output_file))
class Data:
def __init__(self):
self.MAX_SENTENCE_LENGTH = 230
self.MAX_WORD_LENGTH = -1
self.number_normalized = False
self.norm_word_emb = True
self.norm_biword_emb = True
self.norm_gaz_emb = False
self.word_alphabet = Alphabet('word')
self.biword_alphabet = Alphabet('biword')
self.char_alphabet = Alphabet('character')
# self.word_alphabet.add(START)
# self.word_alphabet.add(UNKNOWN)
# self.char_alphabet.add(START)
# self.char_alphabet.add(UNKNOWN)
# self.char_alphabet.add(PADDING)
self.label_alphabet = Alphabet('label', True)
self.gaz_lower = False
self.gaz = Gazetteer(self.gaz_lower)
self.gaz_alphabet = Alphabet('gaz')
self.HP_fix_gaz_emb = False
self.HP_use_gaz = True
self.tagScheme = "BMES"
self.char_features = "LSTM"
self.train_texts = []
self.dev_texts = []
self.test_texts = []
self.raw_texts = []
self.train_Ids = []
self.dev_Ids = []
self.test_Ids = []
self.raw_Ids = []
self.use_bigram = False
self.word_emb_dim = 50
self.biword_emb_dim = 50
self.char_emb_dim = 50
self.gaz_emb_dim = 50
self.gaz_dropout = 0.5
self.pretrain_word_embedding = None
self.pretrain_biword_embedding = None
self.pretrain_gaz_embedding = None
self.label_size = 0
self.word_alphabet_size = 0
self.biword_alphabet_size = 0
self.char_alphabet_size = 0
self.label_alphabet_size = 0
# hyperparameters
self.HP_iteration = 100
self.HP_batch_size = 1
self.HP_char_hidden_dim = 50
self.HP_hidden_dim = 200
self.HP_dropout = 0.5
self.HP_lstm_layer = 1
self.HP_bilstm = True
self.HP_use_char = True
self.HP_gpu = False
self.HP_lr = 0.015
self.HP_lr_decay = 0.05
self.HP_clip = 5.0
self.HP_momentum = 0
def show_data_summary(self):
print("DATA SUMMARY START:")
print(" Tag scheme: %s" % (self.tagScheme))
print(" MAX SENTENCE LENGTH: %s" % (self.MAX_SENTENCE_LENGTH))
print(" MAX WORD LENGTH: %s" % (self.MAX_WORD_LENGTH))
print(" Number normalized: %s" % (self.number_normalized))
print(" Use bigram: %s" % (self.use_bigram))
print(" Word alphabet size: %s" % (self.word_alphabet_size))
print(" Biword alphabet size: %s" % (self.biword_alphabet_size))
print(" Char alphabet size: %s" % (self.char_alphabet_size))
print(" Gaz alphabet size: %s" % (self.gaz_alphabet.size()))
print(" Label alphabet size: %s" % (self.label_alphabet_size))
print(" Word embedding size: %s" % (self.word_emb_dim))
print(" Biword embedding size: %s" % (self.biword_emb_dim))
print(" Char embedding size: %s" % (self.char_emb_dim))
print(" Gaz embedding size: %s" % (self.gaz_emb_dim))
print(" Norm word emb: %s" % (self.norm_word_emb))
print(" Norm biword emb: %s" % (self.norm_biword_emb))
print(" Norm gaz emb: %s" % (self.norm_gaz_emb))
print(" Norm gaz dropout: %s" % (self.gaz_dropout))
print(" Train instance number: %s" % (len(self.train_texts)))
print(" Dev instance number: %s" % (len(self.dev_texts)))
print(" Test instance number: %s" % (len(self.test_texts)))
print(" Raw instance number: %s" % (len(self.raw_texts)))
print(" Hyperpara iteration: %s" % (self.HP_iteration))
print(" Hyperpara batch size: %s" % (self.HP_batch_size))
print(" Hyperpara lr: %s" % (self.HP_lr))
print(" Hyperpara lr_decay: %s" % (self.HP_lr_decay))
print(" Hyperpara HP_clip: %s" % (self.HP_clip))
print(" Hyperpara momentum: %s" % (self.HP_momentum))
print(" Hyperpara hidden_dim: %s" % (self.HP_hidden_dim))
print(" Hyperpara dropout: %s" % (self.HP_dropout))
print(" Hyperpara lstm_layer: %s" % (self.HP_lstm_layer))
print(" Hyperpara bilstm: %s" % (self.HP_bilstm))
print(" Hyperpara GPU: %s" % (self.HP_gpu))
print(" Hyperpara use_gaz: %s" % (self.HP_use_gaz))
print(" Hyperpara fix gaz emb: %s" % (self.HP_fix_gaz_emb))
print(" Hyperpara use_char: %s" % (self.HP_use_char))
if self.HP_use_char:
print(" Char_features: %s" % (self.char_features))
print("DATA SUMMARY END.")
sys.stdout.flush()
def refresh_label_alphabet(self, input_file):
old_size = self.label_alphabet_size
self.label_alphabet.clear(True)
in_lines = open(input_file, 'r').readlines()
for line in in_lines:
if len(line) > 2:
pairs = line.strip().split()
label = pairs[-1]
self.label_alphabet.add(label)
self.label_alphabet_size = self.label_alphabet.size()
startS = False
startB = False
for label, _ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
self.fix_alphabet()
print("Refresh label alphabet finished: old:%s -> new:%s" %
(old_size, self.label_alphabet_size))
def build_alphabet(self, input_file):
in_lines = open(input_file, 'r').readlines()
for idx in xrange(len(in_lines)):
line = in_lines[idx]
if len(line) > 2:
pairs = line.strip().split()
word = pairs[0].decode('utf-8')
if self.number_normalized:
word = normalize_word(word)
# 获取label
label = pairs[-1]
# 安装出现顺序添加
self.label_alphabet.add(label)
self.word_alphabet.add(word)
if idx < len(in_lines) - 1 and len(in_lines[idx + 1]) > 2:
biword = word + in_lines[
idx + 1].strip().split()[0].decode('utf-8')
else:
biword = word + NULLKEY
self.biword_alphabet.add(biword)
for char in word:
self.char_alphabet.add(char)
self.word_alphabet_size = self.word_alphabet.size()
self.biword_alphabet_size = self.biword_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
self.label_alphabet_size = self.label_alphabet.size()
startS = False
startB = False
# 判断是否属于BIO，BMES，BIOES其中一�?
for label, _ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
# 如果有S则为BMES或BIOES
self.tagScheme = "BMES"
else:
# 没有则为BIO
self.tagScheme = "BIO"
def build_gaz_file(self, gaz_file):
# build gaz file,initial read gaz embedding file
if gaz_file:
fins = open(gaz_file, 'r').readlines()
for fin in fins:
fin = fin.strip().split()[0].decode('utf-8')
if fin:
self.gaz.insert(fin, "one_source")
print
"Load gaz file: ", gaz_file, " total size:", self.gaz.size()
else:
print
"Gaz file is None, load nothing"
def build_gaz_alphabet(self, input_file):
in_lines = open(input_file, 'r').readlines()
word_list = []
for line in in_lines:
if len(line) > 3:
word = line.split()[0].decode('utf-8')
if self.number_normalized:
word = normalize_word(word)
word_list.append(word)
else:
w_length = len(word_list)
for idx in range(w_length):
matched_entity = self.gaz.enumerateMatchList(
word_list[idx:])
for entity in matched_entity:
# print entity, self.gaz.searchId(entity),self.gaz.searchType(entity)
self.gaz_alphabet.add(entity)
word_list = []
print
"gaz alphabet size:", self.gaz_alphabet.size()
def fix_alphabet(self):
self.word_alphabet.close()
self.biword_alphabet.close()
self.char_alphabet.close()
self.label_alphabet.close()
self.gaz_alphabet.close()
def build_word_pretrain_emb(self, emb_path):
print
"build word pretrain emb..."
self.pretrain_word_embedding, self.word_emb_dim = build_pretrain_embedding(
emb_path, self.word_alphabet, self.word_emb_dim,
self.norm_word_emb)
def build_radical_pretrain_emb(self, emb_path):
print
"build radical pretrain emb..."
self.pretrain_word_embedding, self.word_emb_dim = build_radical_pretrain_embedding(
emb_path, self.word_alphabet, self.word_emb_dim,
self.norm_word_emb)
def build_biword_pretrain_emb(self, emb_path):
print
"build biword pretrain emb..."
self.pretrain_biword_embedding, self.biword_emb_dim = build_pretrain_embedding(
emb_path, self.biword_alphabet, self.biword_emb_dim,
self.norm_biword_emb)
def build_gaz_pretrain_emb(self, emb_path):
print
"build gaz pretrain emb..."
self.pretrain_gaz_embedding, self.gaz_emb_dim = build_pretrain_embedding(
emb_path, self.gaz_alphabet, self.gaz_emb_dim, self.norm_gaz_emb)
def generate_instance(self, input_file, name):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_seg_instance(
input_file, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_seg_instance(
input_file, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "test":
self.test_texts, self.test_Ids = read_seg_instance(
input_file, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "raw":
self.raw_texts, self.raw_Ids = read_seg_instance(
input_file, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
else:
print(
"Error: you can only generate train/dev/test instance! Illegal input:%s"
% (name))
def generate_instance_with_gaz(self, input_file, name):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_instance_with_gaz(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_instance_with_gaz(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "test":
self.test_texts, self.test_Ids = read_instance_with_gaz(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "raw":
self.raw_texts, self.raw_Ids = read_instance_with_gaz(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
else:
print(
"Error: you can only generate train/dev/test instance! Illegal input:%s"
% (name))
def write_decoded_results(self, output_file, predict_results, name):
fout = open(output_file, 'w')
sent_num = len(predict_results)
content_list = []
if name == 'raw':
content_list = self.raw_texts
elif name == 'test':
content_list = self.test_texts
elif name == 'dev':
content_list = self.dev_texts
elif name == 'train':
content_list = self.train_texts
else:
print(
"Error: illegal name during writing predict result, name should be within train/dev/test/raw !"
)
assert (sent_num == len(content_list))
for idx in range(sent_num):
sent_length = len(predict_results[idx])
for idy in range(sent_length):
# content_list[idx] is a list with [word, char, label]
fout.write(content_list[idx][0][idy].encode('utf-8') + " " +
predict_results[idx][idy] + '\n')
fout.write('\n')
fout.close()
print("Predict %s result has been written into file. %s" %
(name, output_file))
class Data:
def __init__(self):
self.MAX_SENTENCE_LENGTH = 250
self.MAX_WORD_LENGTH = -1
self.number_normalized = True
# self.punctuation_filter = True
self.norm_word_emb = True
self.norm_biword_emb = True
self.norm_gaz_emb = False
self.word_alphabet = Alphabet('word')
self.biword_alphabet = Alphabet('biword')
self.char_alphabet = Alphabet('character')
# self.word_alphabet.add(START)
# self.word_alphabet.add(UNKNOWN)
# self.char_alphabet.add(START)
# self.char_alphabet.add(UNKNOWN)
# self.char_alphabet.add(PADDING)
self.label_alphabet = Alphabet('label', True)
self.gaz_lower = False
self.gaz = Gazetteer(self.gaz_lower)
self.gaz_alphabet = Alphabet('gaz')
self.HP_fix_gaz_emb = False
self.HP_use_gaz = True
self.tagScheme = "NoSeg"
self.char_features = "LSTM"
self.train_texts = []
self.dev_texts = []
self.test_texts = []
self.raw_texts = []
self.train_Ids = []
self.dev_Ids = []
self.test_Ids = []
self.raw_Ids = []
self.use_bigram = True
self.word_emb_dim = 50
self.biword_emb_dim = 50
self.char_emb_dim = 30
self.gaz_emb_dim = 50
self.gaz_dropout = 0.5
self.pretrain_word_embedding = None
self.pretrain_biword_embedding = None
self.pretrain_gaz_embedding = None
self.label_size = 0
self.word_alphabet_size = 0
self.biword_alphabet_size = 0
self.char_alphabet_size = 0
self.label_alphabet_size = 0
### hyperparameters
self.HP_iteration = 100
self.HP_batch_size = 10
self.HP_char_hidden_dim = 50
self.HP_hidden_dim = 200
self.HP_dropout = 0.5
self.HP_lstm_layer = 1
self.HP_bilstm = True
self.HP_use_char = False
self.HP_gpu = False
self.HP_lr = 0.015
self.HP_lr_decay = 0.05
self.HP_clip = 5.0
self.HP_momentum = 0
def show_data_summary(self):
addLogSectionMark("DATA SUMMARY")
print("DATA SUMMARY START:")
print(" Tag scheme: %s" % (self.tagScheme))
print(" MAX SENTENCE LENGTH: %s" % (self.MAX_SENTENCE_LENGTH))
print(" MAX WORD LENGTH: %s" % (self.MAX_WORD_LENGTH))
print(" Number normalized: %s" % (self.number_normalized))
# print(" Punctuation filter: %s" % (self.punctuation_filter))
print(" Use bigram: %s" % (self.use_bigram))
print(" Word alphabet size: %s" % (self.word_alphabet_size))
print(" Biword alphabet size: %s" % (self.biword_alphabet_size))
print(" Char alphabet size: %s" % (self.char_alphabet_size))
print(" Gaz alphabet size: %s" % (self.gaz_alphabet.size()))
print(" Label alphabet size: %s" % (self.label_alphabet_size))
print(" Word embedding size: %s" % (self.word_emb_dim))
print(" Biword embedding size: %s" % (self.biword_emb_dim))
print(" Char embedding size: %s" % (self.char_emb_dim))
print(" Gaz embedding size: %s" % (self.gaz_emb_dim))
print(" Norm word emb: %s" % (self.norm_word_emb))
print(" Norm biword emb: %s" % (self.norm_biword_emb))
print(" Norm gaz emb: %s" % (self.norm_gaz_emb))
print(" Norm gaz dropout: %s" % (self.gaz_dropout))
print(" Train instance number: %s" % (len(self.train_texts)))
print(" Dev instance number: %s" % (len(self.dev_texts)))
print(" Test instance number: %s" % (len(self.test_texts)))
print(" Raw instance number: %s" % (len(self.raw_texts)))
print(" Hyperpara iteration: %s" % (self.HP_iteration))
print(" Hyperpara batch size: %s" % (self.HP_batch_size))
print(" Hyperpara lr: %s" % (self.HP_lr))
print(" Hyperpara lr_decay: %s" % (self.HP_lr_decay))
print(" Hyperpara HP_clip: %s" % (self.HP_clip))
print(" Hyperpara momentum: %s" % (self.HP_momentum))
print(" Hyperpara hidden_dim: %s" % (self.HP_hidden_dim))
print(" Hyperpara dropout: %s" % (self.HP_dropout))
print(" Hyperpara lstm_layer: %s" % (self.HP_lstm_layer))
print(" Hyperpara bilstm: %s" % (self.HP_bilstm))
print(" Hyperpara GPU: %s" % (self.HP_gpu))
print(" Hyperpara use_gaz: %s" % (self.HP_use_gaz))
print(" Hyperpara fix gaz emb: %s" % (self.HP_fix_gaz_emb))
print(" Hyperpara use_char: %s" % (self.HP_use_char))
logger.info(" Tag scheme: %s" % (self.tagScheme))
logger.info(" MAX SENTENCE LENGTH: %s" %
(self.MAX_SENTENCE_LENGTH))
logger.info(" MAX WORD LENGTH: %s" % (self.MAX_WORD_LENGTH))
logger.info(" Number normalized: %s" % (self.number_normalized))
logger.info(" Use bigram: %s" % (self.use_bigram))
logger.info(" Word alphabet size: %s" % (self.word_alphabet_size))
logger.info(" Biword alphabet size: %s" %
(self.biword_alphabet_size))
logger.info(" Char alphabet size: %s" % (self.char_alphabet_size))
logger.info(" Gaz alphabet size: %s" %
(self.gaz_alphabet.size()))
logger.info(" Label alphabet size: %s" %
(self.label_alphabet_size))
logger.info(" Word embedding size: %s" % (self.word_emb_dim))
logger.info(" Biword embedding size: %s" % (self.biword_emb_dim))
logger.info(" Char embedding size: %s" % (self.char_emb_dim))
logger.info(" Gaz embedding size: %s" % (self.gaz_emb_dim))
logger.info(" Norm word emb: %s" % (self.norm_word_emb))
logger.info(" Norm biword emb: %s" % (self.norm_biword_emb))
logger.info(" Norm gaz emb: %s" % (self.norm_gaz_emb))
logger.info(" Norm gaz dropout: %s" % (self.gaz_dropout))
logger.info(" Train instance number: %s" % (len(self.train_texts)))
logger.info(" Dev instance number: %s" % (len(self.dev_texts)))
logger.info(" Test instance number: %s" % (len(self.test_texts)))
logger.info(" Raw instance number: %s" % (len(self.raw_texts)))
logger.info(" Hyperpara iteration: %s" % (self.HP_iteration))
logger.info(" Hyperpara batch size: %s" % (self.HP_batch_size))
logger.info(" Hyperpara lr: %s" % (self.HP_lr))
logger.info(" Hyperpara lr_decay: %s" % (self.HP_lr_decay))
logger.info(" Hyperpara HP_clip: %s" % (self.HP_clip))
logger.info(" Hyperpara momentum: %s" % (self.HP_momentum))
logger.info(" Hyperpara hidden_dim: %s" % (self.HP_hidden_dim))
logger.info(" Hyperpara dropout: %s" % (self.HP_dropout))
logger.info(" Hyperpara lstm_layer: %s" % (self.HP_lstm_layer))
logger.info(" Hyperpara bilstm: %s" % (self.HP_bilstm))
logger.info(" Hyperpara GPU: %s" % (self.HP_gpu))
logger.info(" Hyperpara use_gaz: %s" % (self.HP_use_gaz))
logger.info(" Hyperpara fix gaz emb: %s" % (self.HP_fix_gaz_emb))
print(" Hyperpara use_char: %s" % (self.HP_use_char))
if self.HP_use_char:
print(" Char_features: %s" % (self.char_features))
logger.info(" Char_features: %s" %
(self.char_features))
print("DATA SUMMARY END.")
sys.stdout.flush()
def refresh_label_alphabet(self, input_file):
old_size = self.label_alphabet_size
self.label_alphabet.clear(True)
in_lines = open(input_file, 'r').readlines()
for line in in_lines:
if len(line) > 2:
pairs = line.strip().split()
label = pairs[-1]
self.label_alphabet.add(label)
self.label_alphabet_size = self.label_alphabet.size()
startS = False
startB = False
for label, _ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
self.fix_alphabet()
print("Refresh label alphabet finished: old:%s -> new:%s" %
(old_size, self.label_alphabet_size))
def build_alphabet(self, input_file):
in_lines = open(input_file, 'r').readlines()
for idx in xrange(len(in_lines)):
line = in_lines[idx]
if len(line) > 2:
pairs = line.strip().split()
word = pairs[0].decode('utf-8')
if self.number_normalized:
word = normalize_word(word)
label = pairs[-1]
self.label_alphabet.add(label)
self.word_alphabet.add(word)
if idx < len(in_lines) - 1 and len(in_lines[idx + 1]) > 2:
biword = word + in_lines[
idx + 1].strip().split()[0].decode('utf-8')
else:
biword = word + NULLKEY
self.biword_alphabet.add(biword)
for char in word:
self.char_alphabet.add(char)
self.word_alphabet_size = self.word_alphabet.size()
self.biword_alphabet_size = self.biword_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
self.label_alphabet_size = self.label_alphabet.size()
startS = False
startB = False
for label, _ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
def build_gaz_file(self, gaz_file):
## build gaz file,initial read gaz embedding file
if gaz_file:
fins = open(gaz_file, 'r').readlines()
for fin in fins:
fin = fin.strip().split()[0].decode('utf-8')
if fin:
self.gaz.insert(fin, "one_source")
print "Load gaz file: ", gaz_file, " total size:", self.gaz.size()
else:
print "Gaz file is None, load nothing"
def build_gaz_alphabet(self, input_file):
in_lines = open(input_file, 'r').readlines()
word_list = []
for line in in_lines:
if len(line) > 3:
word = line.split()[0].decode('utf-8')
if self.number_normalized:
word = normalize_word(word)
word_list.append(word)
else:
w_length = len(word_list)
for idx in range(w_length):
matched_entity = self.gaz.enumerateMatchList(
word_list[idx:])
for entity in matched_entity:
# print entity, self.gaz.searchId(entity),self.gaz.searchType(entity)
self.gaz_alphabet.add(entity)
word_list = []
print "gaz alphabet size:", self.gaz_alphabet.size()
def fix_alphabet(self):
self.word_alphabet.close()
self.biword_alphabet.close()
self.char_alphabet.close()
self.label_alphabet.close()
self.gaz_alphabet.close()
def build_word_pretrain_emb(self, emb_path):
print "build word pretrain emb..."
self.pretrain_word_embedding, self.word_emb_dim = build_pretrain_embedding(
emb_path, self.word_alphabet, self.word_emb_dim,
self.norm_word_emb)
def build_biword_pretrain_emb(self, emb_path):
print "build biword pretrain emb..."
self.pretrain_biword_embedding, self.biword_emb_dim = build_pretrain_embedding(
emb_path, self.biword_alphabet, self.biword_emb_dim,
self.norm_biword_emb)
def build_gaz_pretrain_emb(self, emb_path):
print "build gaz pretrain emb..."
self.pretrain_gaz_embedding, self.gaz_emb_dim = build_pretrain_embedding(
emb_path, self.gaz_alphabet, self.gaz_emb_dim, self.norm_gaz_emb)
def generate_instance(self, input_file, name):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_seg_instance(
input_file, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_seg_instance(
input_file, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "test":
self.test_texts, self.test_Ids = read_seg_instance(
input_file, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "raw":
self.raw_texts, self.raw_Ids = read_seg_instance(
input_file, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
else:
print(
"Error: you can only generate train/dev/test instance! Illegal input:%s"
% (name))
def generate_instance_with_gaz(self, input_file, name):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_instance_with_gaz(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_instance_with_gaz(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "test":
self.test_texts, self.test_Ids = read_instance_with_gaz(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "raw":
self.raw_texts, self.raw_Ids = read_instance_with_gaz(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
elif name == "sentence":
self.raw_texts, self.raw_Ids = read_instance_with_gaz_text(
input_file, self.gaz, self.word_alphabet, self.biword_alphabet,
self.char_alphabet, self.gaz_alphabet, self.label_alphabet,
self.number_normalized, self.MAX_SENTENCE_LENGTH)
else:
print(
"Error: you can only generate train/dev/test instance! Illegal input:%s"
% (name))
def write_decoded_results(self, output_file, predict_results, name):
fout = open(output_file, 'w')
sent_num = len(predict_results)
content_list = []
if name == 'raw':
content_list = self.raw_texts
elif name == 'test':
content_list = self.test_texts
elif name == 'dev':
content_list = self.dev_texts
elif name == 'train':
content_list = self.train_texts
else:
print(
"Error: illegal name during writing predict result, name should be within train/dev/test/raw !"
)
assert (sent_num == len(content_list))
for idx in range(sent_num):
sent_length = len(predict_results[idx])
for idy in range(sent_length):
## content_list[idx] is a list with [word, char, label]
fout.write(content_list[idx][0][idy].encode('utf-8') + " " +
predict_results[idx][idy] + '\n')
fout.write('\n')
fout.close()
print("Predict %s result has been written into file. %s" %
(name, output_file))
def write_decoded_results_back(self, predict_results, name):
sent_num = len(predict_results)
content_list = []
if name == 'raw':
content_list = self.raw_texts
elif name == 'test':
content_list = self.test_texts
elif name == 'dev':
content_list = self.dev_texts
elif name == 'train':
content_list = self.train_texts
else:
print(
"Error: illegal name during writing predict result, name should be within train/dev/test/raw !"
)
assert (sent_num == len(content_list))
result = []
for idx in range(sent_num):
sent_length = len(predict_results[idx])
for idy in range(sent_length):
## content_list[idx] is a list with [word, char, label]
print(content_list[idx][0][idy].encode('utf-8') + " " +
predict_results[idx][idy] + '\n')
for idx in range(sent_num):
sent_length = len(predict_results[idx])
data = {'start': '', 'end': "", 'value': '', 'entity': ''}
value = ''
for idy in range(sent_length):
pre_su_item = predict_results[idx][idy].split('-')
if pre_su_item[0] == 'S':
data['start'] = str(idy)
data['end'] = str(idy + 1)
data['value'] = content_list[idx][0][idy].encode('utf-8')
data['entity'] = pre_su_item[1]
result.append(data)
data = {'start': '', 'end': "", 'value': '', 'entity': ''}
if pre_su_item[0] == 'B':
data['start'] = str(idy)
value = value + (content_list[idx][0][idy].encode('utf-8'))
if pre_su_item[0] == 'E':
value = value + (content_list[idx][0][idy].encode('utf-8'))
data['end'] = str(idy + 1)
data['value'] = value
data['entity'] = pre_su_item[1]
result.append(data)
data = {'start': '', 'end': "", 'value': '', 'entity': ''}
value = ''
if pre_su_item[0] == 'I':
value = value + (content_list[idx][0][idy].encode('utf-8'))
return result
def write_http_data(self, output_file, inputData, name):
fout = open(output_file, 'w')
get_num = len(inputData)
start = 0
numOfParagram = int(math.ceil(get_num / 5.0))
num_start_sentence = start
num_end_sentence = numOfParagram
if name == "test":
num_start_sentence = 0
num_end_sentence = numOfParagram
elif name == "dev":
num_start_sentence = numOfParagram
num_end_sentence = numOfParagram * 2
elif name == "train":
num_start_sentence = numOfParagram * 2
num_end_sentence = get_num
for idx in range(num_start_sentence, num_end_sentence):
text = inputData[idx]["text"]
entities = inputData[idx]["entities"]
idText = 1
inWord = False
tagReady = False
entity_name = ''
for Text in text:
## content_list[idx] is a list with [word, char, label]
tagReady = False
for entity in entities:
if not inWord:
if entity['start'] + 1 == entity['end'] and entity[
'end'] == idText:
fout.write(
Text.encode('utf-8') + " " + "S-" +
entity['entity'].encode('utf-8') + '\n')
tagReady = True
break
if entity['start'] + 1 == idText:
fout.write(
Text.encode('utf-8') + " " + "B-" +
entity['entity'].encode('utf-8') + '\n')
tagReady = True
inWord = True
entity_name = entity['entity'].encode('utf-8')
break
else:
if entity['end'] == idText:
fout.write(
Text.encode('utf-8') + " " + "E-" +
entity_name + '\n')
tagReady = True
inWord = False
break
if not tagReady:
if not inWord:
fout.write(Text.encode('utf-8') + " " + "O" + '\n')
else:
fout.write(
Text.encode('utf-8') + " " + "I-" + entity_name +
'\n')
idText = idText + 1
fout.write('\n')
fout.close()
print("Predict input data has been written into file. %s" %
(output_file))
class PairGenerator(object):
'''Generate minibatches with
realtime data combination
'''
def __init__(self, item_path, sub_item_path, pair_path, split_c=','):
self.__dict__.update(locals())
print('Loading title and category information...', time.ctime())
sub_item_set = set()
for line in open(sub_item_path).readlines():
sub_item_set.add(line.split()[0])
self.item_title = {}
self.item_cat = {}
self.cat2idx = {}
self.max_len = 0
sentence_list = []
for line in open(item_path).readlines():
tmp = line.split()
item = tmp[0]
cat = tmp[1]
if cat not in self.cat2idx:
self.cat2idx[cat] = len(self.cat2idx)
title = tmp[2].split(split_c)
self.item_title[item] = title
self.item_cat[item] = self.cat2idx[cat]
if item in sub_item_set:
sentence_list.append(title)
self.max_len = min(config.max_len, max(self.max_len,
len(title)))
print(('%s items' % len(sentence_list)), time.ctime())
print('Generating alphabet...', time.ctime())
self.alphabet = Alphabet()
add_to_vocab(sentence_list, self.alphabet)
print(('%s words' % len(self.alphabet)), time.ctime())
print('Generating weight from word2vec model...', time.ctime())
self.sentence_list = sentence_list
w2v_model = word2vec(sentence_list)
self.w2v_weight = np.zeros((len(self.alphabet), config.w2vSize))
for word, idx in self.alphabet.iteritems():
if word in w2v_model.vocab:
self.w2v_weight[idx] = w2v_model[word]
print('Loading pairs ...', time.ctime())
self.pair_list = open(pair_path).readlines()
def batch(self, pair_list):
left_in = []
right_in = []
left_out = []
right_out = []
pair_out = []
for line in pair_list:
tmp = line.split(',')
left = tmp[0]
right = tmp[1]
pair = int(tmp[2])
left_in.append(
[self.alphabet[word] for word in self.item_title[left]])
right_in.append(
[self.alphabet[word] for word in self.item_title[right]])
#left_out.append(self.item_cat[left])
#right_out.append(self.item_cat[right])
pair_out.append(pair)
return {
'left_in': sequence.pad_sequences(left_in, maxlen=self.max_len),
'right_in': sequence.pad_sequences(right_in, maxlen=self.max_len),
#'left_out': np_utils.to_categorical(left_out, nb_classes=len(self.cat2idx)),
#'right_out': np_utils.to_categorical(right_out, nb_classes=len(self.cat2idx)),
'pair_out': np.array(pair_out)
}
def fetch_all(self, val_split=0.2, pair_list=None):
if not pair_list:
pair_list = self.pair_list
upper_bound = int(len(pair_list) * (1 - val_split))
train_data = self.batch(pair_list[0:upper_bound])
val_data = self.batch(pair_list[upper_bound:])
return (train_data, val_data)
def batch_topic(self, item_vector_dic, pair_list):
pair_in = []
pair_out = []
for line in pair_list:
tmp = line.split(',')
left = tmp[0]
right = tmp[1]
pair = int(tmp[2])
vector_left = [0.0] * config.w2vSize
vector_right = [0.0] * config.w2vSize
for (pos, value) in item_vector_dic[left]:
vector_left[pos] = value
for (pos, value) in item_vector_dic[right]:
vector_right[pos] = value
pair_in.append(vector_left + vector_right)
pair_out.append(pair)
return {'pair_in': pair_in, 'pair_out': pair_out}
def fetch_all_topic(self, mark, val_split=0.2, pair_list=None):
item_vector_dic = {}
if config.fresh:
print('Generating topic model...', time.ctime())
(model, dictionary) = lda(self.sentence_list)
print('Generating topic vector...', time.ctime())
for item in self.item_title:
title = self.item_title[item]
doc_bow = dictionary.doc2bow(title)
item_vector_dic[item] = model[doc_bow]
with open(mark + 'topic.tmp', 'w') as f:
pickle.dump(item_vector_dic, f)
else:
print('Loading topic vector...', time.ctime())
with open(mark + 'topic.tmp') as f:
item_vector_dic = pickle.load(f)
if not pair_list:
pair_list = self.pair_list
upper_bound = int(len(pair_list) * (1 - val_split))
train_data = self.batch_topic(item_vector_dic,
pair_list[0:upper_bound])
val_data = self.batch_topic(item_vector_dic, pair_list[upper_bound:])
return (train_data, val_data)
def flow(self, batch_size=32, shuffle=False, seed=None):
if seed:
random.seed(seed)
if shuffle:
random.shuffle(self.pair_list)
b = 0
pair_num = len(self.pair_list)
while 1:
current_index = (b * batch_size) % pair_num
if pair_num >= current_index + batch_size:
current_batch_size = batch_size
else:
current_batch_size = pair_num - current_index
yield self.batch(self.pair_list[current_index:current_index +
current_batch_size])
class Data:
def __init__(self):
self.MAX_SENTENCE_LENGTH = 512
self.MAX_WORD_LENGTH = -1
self.number_normalized = False
self.word_alphabet = Alphabet('word')
self.char_alphabet = Alphabet('character')
self.word_alphabet.add(START)
self.word_alphabet.add(UNKNOWN)
self.char_alphabet.add(START)
self.char_alphabet.add(UNKNOWN)
self.char_alphabet.add(PADDING)
self.label_alphabet = Alphabet('label')
self.tagScheme = "NoSeg"
self.train_texts = []
self.dev_texts = []
self.test_texts = []
self.raw_texts = []
self.train_Ids = []
self.dev_Ids = []
self.test_Ids = []
self.raw_Ids = []
self.word_emb_dim = 50
self.pretrain_word_embedding = None
self.label_size = 0
self.word_alphabet_size = 0
self.char_alphabet_size = 0
self.label_alphabet_size = 0
### hyperparameters
self.HP_batch_size = 10
self.HP_hidden_dim = 200
self.HP_dropout = 0.5
self.HP_lstm_layer = 1
self.HP_bilstm = True
self.HP_use_char = True
self.HP_gpu = False
self.HP_lr = 0.015
self.HP_lr_decay = 0
self.HP_clip = 5.0
self.HP_momentum = 0
def show_data_summary(self):
print("DATA SUMMARY START:")
print(" Tag scheme: %s" % (self.tagScheme))
print(" MAX SENTENCE LENGTH: %s" % (self.MAX_SENTENCE_LENGTH))
print(" MAX WORD LENGTH: %s" % (self.MAX_WORD_LENGTH))
print(" Number normalized: %s" % (self.number_normalized))
print(" Word alphabet size: %s" % (self.word_alphabet_size))
print(" Char alphabet size: %s" % (self.char_alphabet_size))
print(" Label alphabet size: %s" % (self.label_alphabet_size))
print(" Word embedding size: %s" % (self.word_emb_dim))
print(" Train instance number: %s" % (len(self.train_texts)))
print(" Dev instance number: %s" % (len(self.dev_texts)))
print(" Test instance number: %s" % (len(self.test_texts)))
print(" Raw instance number: %s" % (len(self.raw_texts)))
print(" Hyperpara batch size: %s" % (self.HP_batch_size))
print(" Hyperpara lr: %s" % (self.HP_lr))
print(" Hyperpara lr_decay: %s" % (self.HP_lr_decay))
print(" Hyperpara HP_clip: %s" % (self.HP_clip))
print(" Hyperpara momentum: %s" % (self.HP_momentum))
print(" Hyperpara hidden_dim: %s" % (self.HP_hidden_dim))
print(" Hyperpara dropout: %s" % (self.HP_dropout))
print(" Hyperpara lstm_layer: %s" % (self.HP_lstm_layer))
print(" Hyperpara bilstm: %s" % (self.HP_bilstm))
print(" Hyperpara use_char: %s" % (self.HP_use_char))
print(" Hyperpara GPU: %s" % (self.HP_gpu))
print("DATA SUMMARY END.")
sys.stdout.flush()
def build_alphabet(self, input_file):
in_lines = open(input_file, 'r').readlines()
for line in in_lines:
if len(line) > 2:
pairs = line.strip().split()
word = pairs[0]
if self.number_normalized:
word = normalize_word(word)
label = pairs[-1]
self.label_alphabet.add(label)
self.word_alphabet.add(word)
for char in word:
self.char_alphabet.add(char)
self.word_alphabet_size = self.word_alphabet.size()
self.char_alphabet_size = self.char_alphabet.size()
self.label_alphabet_size = self.label_alphabet.size()
startS = False
startB = False
for label, _ in self.label_alphabet.iteritems():
if "S-" in label.upper():
startS = True
elif "B-" in label.upper():
startB = True
if startB:
if startS:
self.tagScheme = "BMES"
else:
self.tagScheme = "BIO"
def fix_alphabet(self):
self.word_alphabet.close()
self.char_alphabet.close()
self.label_alphabet.close()
def build_word_pretrain_emb(self, emb_path, norm=False):
self.pretrain_word_embedding, self.word_emb_dim = build_pretrain_embedding(
emb_path, self.word_alphabet, self.word_emb_dim, norm)
def generate_instance(self, input_file, name):
self.fix_alphabet()
if name == "train":
self.train_texts, self.train_Ids = read_instance(
input_file, self.word_alphabet, self.char_alphabet,
self.label_alphabet, self.number_normalized,
self.MAX_WORD_LENGTH)
elif name == "dev":
self.dev_texts, self.dev_Ids = read_instance(
input_file, self.word_alphabet, self.char_alphabet,
self.label_alphabet, self.number_normalized,
self.MAX_WORD_LENGTH)
elif name == "test":
self.test_texts, self.test_Ids = read_instance(
input_file, self.word_alphabet, self.char_alphabet,
self.label_alphabet, self.number_normalized,
self.MAX_WORD_LENGTH)
else:
print(
"Error: you can only generate train/dev/test instance! Illegal input:%s"
% (name))