推荐系统论文笔记(2):Towards the Next Generation of Recommender Systems:A Survey of the State-of-the-Art ....

该论文回顾了2005年的推荐系统研究,包括基于内容、协同过滤和混合推荐方法,分析了各自局限并提出了改进方向,如引入上下文信息、多维度评分和用户定制推荐。

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一、基本信息

论文题目:《Towards the Next Generation of Recommender Systems:A Survey of the State-of-the-Art and Possible Extensions》

发表时间:July 2005,IEEE Transactions on Knowledge and Data Engineering 17(6):734-749

论文作者及单位:Gediminas Adomavicius(University of Minnesota)Alexander Tuzhilin(NYU)

论文地址:https://ieeexplore.ieee.org/document/1423975

我的评分:5颗星

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二、摘要

  本篇论文对当前(2005年)推荐系统领域的研究做了梳理,将它们划分为了三大类:基于内容过滤、协同过滤、混合推荐。同时也描述了这些不同方法的局限与不足,并讨论了针对这些局限几种可能的改进。

 

三、论文的工作

1、将推荐系统方法划分为了三大类:

  • Content-based recommendations:基于内容过滤,用户U将被推荐和过去买过的物品I具有相似特点的物品I1
  • Collaborative recommendations:协同过滤,用户U将被推荐和他具有相似爱好的用户U1购买过的物品I
  • Hybrid approaches:将内容过滤和协同过滤方法结合

2、详细介绍了三种方法的原理与各自的局限

  • Content-based Methods:受系统所能从物品中提取的特
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