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arXiv 0903.0064cs.LGcs.ITmath.IT
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协同过滤系统的操作鲁棒性

Manipulation Robustness of Collaborative Filtering Systems

Stanford University(斯坦福大学)

Xiang Yan, Benjamin Van Roy

摘要:

协同过滤系统向用户推荐相似用户喜欢的产品。协同过滤系统影响购买决策,因此已成为肆无忌惮的供应商操纵的目标。我们提供的理论和实证结果表明,而常见的最近邻算法,这是广泛使用的商业系统中,可以是非常容易受到操纵,两类协同过滤算法,我们称之为线性和渐近线性是相对稳健的。这些结果为今后协同过滤系统的设计提供了指导。

英文摘要:

A collaborative filtering system recommends to users products that similar users like. Collaborative filtering systems influence purchase decisions, and hence have become targets of manipulation by unscrupulous vendors. We provide theoretical and empirical results demonstrating that while common nearest neighbor algorithms, which are widely used in commercial systems, can be highly susceptible to manipulation, two classes of collaborative filtering algorithms which we refer to as linear and asymptotically linear are relatively robust. These results provide guidance for the design of future collaborative filtering systems.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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