Untargeted Black-box Attacks for Social Recommendations

no code implementations • 13 Nov 2023 • Wenqi Fan, Shijie Wang, Xiao-Yong Wei, Xiaowei Mei, Qing Li

To perform untargeted attacks on social recommender systems, attackers can construct malicious social relationships for fake users to enhance the attack performance.

Decision Making Multi-agent Reinforcement Learning +1

Recommender Systems in the Era of Large Language Models (LLMs)

no code implementations • 5 Jul 2023 • Zihuai Zhao, Wenqi Fan, Jiatong Li, Yunqing Liu, Xiaowei Mei, Yiqi Wang, Zhen Wen, Fei Wang, Xiangyu Zhao, Jiliang Tang, Qing Li

As a result, recent studies have attempted to harness the power of LLMs to enhance recommender systems.

Recommendation Systems