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September 28, 2018 14:15
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Генерация файла w2v.CBOW=1_WIN=5_DIM=32.bin, используемого в чатботе
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# -*- coding: utf-8 -*- | |
''' | |
Генерация word2vector моделей для слов. | |
Используется готовый корпус, в котором каждое слово отделено пробелами, и каждое | |
предложение находится на отдельной строке. | |
''' | |
from __future__ import print_function | |
from gensim.models import word2vec | |
import logging | |
import os | |
logging.basicConfig(format='%(asctime)s : %(levelname)s : %(message)s', level=logging.INFO) | |
#corpus_path = os.path.expanduser('~/Corpus/word2vector/ru/SENTx.corpus.w2v.txt') | |
corpus_path = os.path.expanduser(r'f:\Corpus\word2vector\ru\SENTx.corpus.w2v.txt') | |
#corpus_path = os.path.expanduser('~/Corpus/Raw/ru/tokenized_w2v.txt') | |
SIZE=32 | |
WINDOW=5 | |
CBOW=1 | |
MIN_COUNT=1 | |
NB_ITERS=1 | |
filename = 'w2v.CBOW=' + str(CBOW)+'_WIN=' + str(WINDOW) + '_DIM='+str(SIZE) | |
# в отдельный текстовый файл выведем все параметры модели | |
with open( filename + '.info', 'w+') as info_file: | |
print('corpus_path=', corpus_path, file=info_file) | |
print('SIZE=', SIZE, file=info_file) | |
print('WINDOW=', WINDOW, file=info_file) | |
print('CBOW=', CBOW, file=info_file) | |
print('MIN_COUNT=', MIN_COUNT, file=info_file) | |
print('NB_ITERS=', NB_ITERS, file=info_file) | |
# начинаем обучение w2v | |
#sentences = word2vec.Text8Corpus(corpus_path) | |
sentences = word2vec.LineSentence(corpus_path) | |
model = word2vec.Word2Vec(sentences, | |
size=SIZE, | |
window=WINDOW, | |
cbow_mean=CBOW, | |
min_count=MIN_COUNT, | |
workers=4, | |
sorted_vocab=1, | |
iter=NB_ITERS) | |
model.init_sims(replace=True) | |
# сохраняем готовую w2v модель | |
#model.save_word2vec_format( filename + '.model', binary=True) | |
model.wv.save_word2vec_format( filename + '.bin', binary=True) | |
#model.wv.save_word2vec_format( filename + '.txt', binary=False) |
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