自然语言处理：中文分词，打标签，文章匹配相似度，机器学习.zip

# nlp 自然语言处理：中文分词，打标签，文章匹配相似度 打标签： extra_tags.py： 关键函数：extarct_tags ，通过help(jieba.analyse.extarct_tags) 查看 函数提示如下： withWeight：单词权重 allowPOS：单词性质，参看https://wenku.baidu.com/view/49eab3a9ad51f01dc281f1f8.html withFlag： ====================================================== Help on method extract_tags in module jieba.analyse.tfidf: extract_tags(self, sentence, topK=20, withWeight=False, allowPOS=(), withFlag=False) method of jieba.analyse.tfidf.TFIDF instance Extract keywords from sentence using TF-IDF algorithm. Parameter: - topK: return how many top keywords. `None` for all possible words. - withWeight: if True, return a list of (word, weight); if False, return a list of words. - allowPOS: the allowed POS list eg. ['ns', 'n', 'vn', 'v','nr']. if the POS of w is not in this list,it will be filtered. - withFlag: only work with allowPOS is not empty. if True, return a list of pair(word, weight) like posseg.cut if False, return a list of words