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bluemapleman / NewsRecommendSystem

个性化新闻推荐系统，A news recommendation system involving collaborative filtering,content-based recommendation and hot news recommendation, can be adapted easily to be put into use in other circumstances.
MIT License
767 stars 274 forks source link

ansj_seg存在TFIDF算法存在问题，文档总数他是定死的？ #22

Open zhangxianjun opened 5 years ago

zhangxianjun commented 5 years ago

词语出现在文章，文章总数是用的词频。 public Keyword(String name, int docFreq, double weight) { this.name = name; this.idf = Math.log(10000 + 10000.0 / (docFreq + 1)); this.score = idf * weight; freq++; }