http://www.ruanyifeng.com/blog/2013/03/cosine_similarity.html
http://www.ruanyifeng.com/blog/2013/03/cosine_similarity.html
所以首先要挑选出共同的单词
http://www.ruanyifeng.com/blog/2013/03/cosine_similarity.html
http://www.ruanyifeng.com/blog/2013/03/cosine_similarity.html
所以首先要挑选出共同的单词
本文标题:利用tf-idf+cosine如何解决两个单词长度不一样
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