Qingpeng Cai

2026

TemporalExpertNet: Cross-Temporal Knowledge Reuse for Promotion-Aware CVR Prediction.

Minmao Wang|Rui Zhang|Shijie Yi|Likang Wu|Hongke Zhao|Fei Pan|Qingpeng Cai|Peng Jiang

Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

LBM: Hierarchical Large Auto-Bidding Model via Reasoning and Acting.

Yewen Li|Zhiyi Lyu|Peng Jiang|Qingpeng Cai|Fei Pan|Bo An|Peng Jiang

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

Hierarchical Semantic RL: Tackling the Problem of Dynamic Action Space for RL-based Recommendations.

Minmao Wang|Xingchen Liu|Shijie Yi|Likang Wu|Hongke Zhao|Fei Pan|Qingpeng Cai|Peng Jiang

Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

Generative Auto-Bidding with Value-Guided Explorations.

Jingtong Gao|Yewen Li|Shuai Mao|Peng Jiang|Nan Jiang|Yejing Wang|Qingpeng Cai|Fei Pan|Peng Jiang|Kun Gai|Bo An|Xiangyu Zhao

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

AgentIR: 2nd Workshop on Agent-based Information Retrieval.

Pengyue Jia|Qingpeng Cai|Xiangyu Zhao|Ling Pan|Xin Xin|Jin Huang|Weinan Zhang|Li Zhao|Dawei Yin|Grace Hui Yang

Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

DLCRec: A Novel Approach for Managing Diversity in LLM-Based Recommender Systems.

Jiaju Chen|Chongming Gao|Shuai Yuan|Shuchang Liu|Qingpeng Cai|Peng Jiang

Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025

Value Function Decomposition in Markov Recommendation Process.

Xiaobei Wang|Shuchang Liu|Qingpeng Cai|Xiang Li|Lantao Hu|Han Li|Guangming Xie

Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

AURO: Reinforcement Learning for Adaptive User Retention Optimization in Recommender Systems.

Zhenghai Xue|Qingpeng Cai|Bin Yang|Lantao Hu|Peng Jiang|Kun Gai|Bo An

Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

GAS: Generative Auto-bidding with Post-training Search.

Yewen Li|Shuai Mao|Jingtong Gao|Nan Jiang|Yunjian Xu|Qingpeng Cai|Fei Pan|Peng Jiang|Bo An

Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

AgentIR: 1st Workshop on Agent-based Information Retrieval.

Qingpeng Cai|Xiangyu Zhao|Ling Pan|Xin Xin|Jin Huang|Weinan Zhang|Li Zhao|Dawei Yin|Grace Hui Yang

Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

Sequential Recommendation for Optimizing Both Immediate Feedback and Long-term Retention.

Ziru Liu|Shuchang Liu|Zijian Zhang|Qingpeng Cai|Xiangyu Zhao|Kesen Zhao|Lantao Hu|Peng Jiang|Kun Gai

Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

M3oE: Multi-Domain Multi-Task Mixture-of Experts Recommendation Framework.

Zijian Zhang|Shuchang Liu|Jiaao Yu|Qingpeng Cai|Xiangyu Zhao|Chunxu Zhang|Ziru Liu|Qidong Liu|Hongwei Zhao|Lantao Hu|Peng Jiang|Kun Gai

Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

2023

Two-Stage Constrained Actor-Critic for Short Video Recommendation.

Qingpeng Cai|Zhenghai Xue|Chi Zhang|Wanqi Xue|Shuchang Liu|Ruohan Zhan|Xueliang Wang|Tianyou Zuo|Wentao Xie|Dong Zheng|Peng Jiang|Kun Gai

Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

Exploration and Regularization of the Latent Action Space in Recommendation.

Shuchang Liu|Qingpeng Cai|Bowen Sun|Yuhao Wang|Ji Jiang|Dong Zheng|Peng Jiang|Kun Gai|Xiangyu Zhao|Yongfeng Zhang

Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

Multi-Task Recommendations with Reinforcement Learning.

Ziru Liu|Jiejie Tian|Qingpeng Cai|Xiangyu Zhao|Jingtong Gao|Shuchang Liu|Dayou Chen|Tonghao He|Dong Zheng|Peng Jiang|Kun Gai

Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

Reinforcing User Retention in a Billion Scale Short Video Recommender System.

Qingpeng Cai|Shuchang Liu|Xueliang Wang|Tianyou Zuo|Wentao Xie|Bin Yang|Dong Zheng|Peng Jiang|Kun Gai

Companion Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2019

Policy Gradients for Contextual Recommendations.

Feiyang Pan|Qingpeng Cai|Pingzhong Tang|Fuzhen Zhuang|Qing He

The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

Reinforcement Mechanism Design for e-commerce.

Qingpeng Cai|Aris Filos-Ratsikas|Pingzhong Tang|Yiwei Zhang

Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018