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# 第16章 推荐系统
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| 推荐方法 | 描述 |
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| --- | --- |
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| 基于内容推荐 | |
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| 协同过滤推荐 | |
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| 基于规则推荐 | |
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| 基于效用推荐 | |
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| 基于知识推荐 | |
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| 组合推荐 | |
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## 基于知识推荐
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基于知识的推荐(Knowledge-based Recommendation)在某种程度是可以看成是一种推理(Inference)技术,它不是建立在用户需要和偏好基础上推荐的。基于知识的方法因它们所用的功能知识不同而有明显区别。效用知识(Functional Knowledge)是一种关于一个项目如何满足某一特定用户的知识,因此能解释需要和推荐的关系,所以用户资料可以是任何能支持推理的知识结构,它可以是用户已经规范化的查询,也可以是一个更详细的用户需要的表示。
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* * *
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> 摘录的原文地址:
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* [推荐系统中常用算法 以及优点缺点对比](http://www.36dsj.com/archives/9519)
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* [推荐算法的基于知识推荐](https://zhidao.baidu.com/question/2013524494179442228.html)
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