Shiguang Wu, Zhaochun Ren, Xin Xin, Jiyuan Yang, Mengqi Zhang, Zhumin Chen, Maarten de Rijke and Pengjie Ren. Constrained Auto-Regressive Decoding Constrains Generative Retrieval. The 48th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2025. (CCF A

Shiguang Wu, Wenda Wei, Mengqi Zhang, Zhumin Chen, Jun Ma, Zhaochun Ren, Maarten de Rijke, Pengjie Ren. Generative Retrieval as Multi-Vector Dense Retrieval. The 47th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2024. (CCF A,Best Paper Honorable Mention Award)Jiyuan Yang, Yue Ding, Yidan Wang, Pengjie Ren, Zhumin Chen, Fei Cai, Jun Ma, Rui Zha...

Weiwei Sun, Lingyong Yan, Xinyu Ma, Shuaiqiang Wang, Pengjie Ren, Zhumin Chen, Dawei Yin, Zhaochun Ren. Is ChatGPT Good at Search? Investigating Large Language Models as Re-Ranking Agents. Conference on Empirical Methods in Natural Language Processing (EMNLP), 2023. (CCF B,Outstanding Paper Award)Wentao Deng, Jiahuan Pei, Keyi Kong, Zhe Chen, Furu Wei, Yujun Li, Zhaochun Ren, Zhumin Chen, Pengj...

Xin Xin, Jiyuan Yang, Hanbing Wang, Jun Ma, Pengjie Ren, Hengliang Luo, Xinlei Shi, Zhumin Chen, Zhaochun Ren. On the User Behavior Leakage from Recommender System Exposure. ACM Transactions on Information Systems (TOIS), 2022. (CCF A)Muyang Ma, Pengjie Ren, Zhumin Chen, Zhaochun Ren, Huasheng Liang, Jun Ma, Maarten de Rijke. Improving Transformer-based Sequential Recommenders through Preferenc...