Chapter

Recommender Systems

pp 385-410

Date:

Attack-Resistant Recommender Systems

  • Charu C. AggarwalAffiliated withIBM T.J. Watson Research Center

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Abstract

The input to recommender systems is typically provided through open platforms. Almost anyone can register and submit a review at sites such as Amazon.com and Epinions.com. Like any other data-mining system, the effectiveness of a recommender system depends almost exclusively on the quality of the data available to it. Unfortunately, there are significant motivations for participants to submit incorrect feedback about items for personal gain or for malicious reasons: