摘要: import nltk nltk.download() from nltk.corpus import stopwords from nltk.stem import WordNetLemmatizer #预处理 def preprocessing(text): tokens = [word for sent in nltk.sent_tokenize(text) for word... 阅读全文
posted @ 2018-11-29 11:41 safufu 阅读(356) 评论(0) 推荐(0) 编辑