Privacy-Preserving Sequential Recommendation with Collaborative Confusion

no code implementations • 9 Jan 2024 • Wei Wang, Yujie Lin, Pengjie Ren, Zhumin Chen, Tsunenori Mine, Jianli Zhao, Qiang Zhao, Moyan Zhang, Xianye Ben, YuJun Li

Unlike existing research, we capture collaborative signals of neighbor interaction sequences and directly inject indistinguishable items into the target sequence before the recommendation process begins, thereby increasing the perplexity of the target sequence.

Collaborative Filtering Federated Learning +2

Video-based Facial Micro-Expression Analysis: A Survey of Datasets, Features and Algorithms

no code implementations • 30 Jan 2022 • Xianye Ben, Yi Ren, Junping Zhang, Su-Jing Wang, Kidiyo Kpalma, Weixiao Meng, Yong-Jin Liu

Unlike the conventional facial expressions, micro-expressions are involuntary and transient facial expressions capable of revealing the genuine emotions that people attempt to hide.