A Smart Privacy-Preserving Learning Method by Fake Gradients to Protect Users Items in Recommender Systems

In this paper, we study the problem of protecting privacy in recommender systems. We focus on protecting the items rated by users and propose a novel privacy-preserving matrix factorization algorithm. In our algorithm, the user will submit a fake gradient to make the central server not able to disti...

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Bibliographic Details
Main Authors: Guixun Luo, Zhiyuan Zhang, Zhenjiang Zhang, Yun Liu, Lifu Wang
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Complexity
Online Access:http://dx.doi.org/10.1155/2020/6683834
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