文本分类/情感分析 情感词提取,评论情感分析 通过业务规则进行了断句分类,然后提取关键词 由于业务需要,本文提取的关键词为评价词,采用pyltp进行词性分析。语法分析,然后提取关键词,并且如果文中词语前出现了否定词,将否定词一起提取
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