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Pengjie Ren

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Modeling Sequential Recommendation as Missing Information Imputation

Jan 04, 2023
Yujie Lin, Zhumin Chen, Zhaochun Ren, Chenyang Wang, Qiang Yan, Maarten de Rijke, Xiuzhen Cheng, Pengjie Ren

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Variational Reasoning over Incomplete Knowledge Graphs for Conversational Recommendation

Dec 23, 2022
Xiaoyu Zhang, Xin Xin, Dongdong Li, Wenxuan Liu, Pengjie Ren, Zhumin Chen, Jun Ma, Zhaochun Ren

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Contrastive Learning Reduces Hallucination in Conversations

Dec 20, 2022
Weiwei Sun, Zhengliang Shi, Shen Gao, Pengjie Ren, Maarten de Rijke, Zhaochun Ren

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Feature-Level Debiased Natural Language Understanding

Dec 18, 2022
Yougang Lyu, Piji Li, Yechang Yang, Maarten de Rijke, Pengjie Ren, Yukun Zhao, Dawei Yin, Zhaochun Ren

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On the User Behavior Leakage from Recommender Exposure

Oct 16, 2022
Xin Xin, Jiyuan Yang, Hanbing Wang, Jun Ma, Pengjie Ren, Hengliang Luo, Xinlei Shi, Zhumin Chen, Zhaochun Ren

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Debiasing Learning for Membership Inference Attacks Against Recommender Systems

Jun 28, 2022
Zihan Wang, Na Huang, Fei Sun, Pengjie Ren, Zhumin Chen, Hengliang Luo, Maarten de Rijke, Zhaochun Ren

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Rethinking Reinforcement Learning for Recommendation: A Prompt Perspective

Jun 15, 2022
Xin Xin, Tiago Pimentel, Alexandros Karatzoglou, Pengjie Ren, Konstantina Christakopoulou, Zhaochun Ren

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Paying More Attention to Self-attention: Improving Pre-trained Language Models via Attention Guiding

Apr 06, 2022
Shanshan Wang, Zhumin Chen, Zhaochun Ren, Huasheng Liang, Qiang Yan, Pengjie Ren

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Metaphorical User Simulators for Evaluating Task-oriented Dialogue Systems

Apr 06, 2022
Weiwei Sun, Shuyu Guo, Shuo Zhang, Pengjie Ren, Zhumin Chen, Maarten de Rijke, Zhaochun Ren

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