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WebCN111625718A CN202410427140.2A CN202410427140A CN111625718A CN 111625718 A CN111625718 A CN 111625718A CN 202410427140 A CN202410427140 A CN 202410427140A CN 111625718 A CN111625718 A CN 111625718A Authority CN China Prior art keywords user data user portrait algorithm construction method Prior art date … Web11 May 2024 · 1.5 特点. tf-idf 的优点 :. 容易理解,概念简单; 实现便捷、快速; 有一定实际效果,性价比高; tf-idf 的缺点 :. 用 tf 衡量词的重要性不够合理,例如,有时对主题刻画具 …
Tfiwf
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