Kun Gai

2026

doi dblp

PushGen: Push Notifications Generation with LLM.

Shifu Bie|Jiangxia Cao|Zixiao Luo|Yichuan Zou|Lei Liang|Lu Zhang|Linxun Chen|Zhaojie Liu|Xuanping Li|Guorui Zhou|Kaiqiao Zhan|Kun Gai

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

doi dblp

ChorusCVR: Chorus Supervision for Entire Space Post-Click Conversion Rate Modeling.

Wei Cheng|Yucheng Lu|Boyang Xia|Jiangxia Cao|Kuan Xu|Mingxing Wen|Wei Jiang|Jiaming Zhang|Zhaojie Liu|Liyin Hong|Kun Gai|Guorui Zhou

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

doi dblp

OneLoc: Geo-Aware Generative Recommender Systems for Local Life Service.

Zhipeng Wei|Kuo Cai|Junda She|Jie Chen|Minghao Chen|Yang Zeng|Qiang Luo|Wencong Zeng|Ruiming Tang|Kun Gai|Guorui Zhou

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

doi dblp

Toward Generalized Web Agent Training: A Deep Dive into Entropy-Balanced Reinforcement Learning.

Guanting Dong|Licheng Bao|Zhongyuan Wang|Kangzhi Zhao|Xiaoxi Li|Jiajie Jin|Jinghan Yang|Hangyu Mao|Fuzheng Zhang|Kun Gai|Guorui Zhou|Yutao Zhu|Ji-Rong Wen|Zhicheng Dou

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.

doi dblp

Towards Context-aware Reasoning-enhanced Generative Searching in E-commerce.

Zhiding Liu|Ben Chen|Mingyue Cheng|Enhong Chen|Li Li|Chenyi Lei|Wenwu Ou|Han Li|Kun Gai

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.

doi dblp

GRank: Towards Target-Aware and Streamlined Industrial Retrieval with a Generate-Rank Framework.

Yijia Sun|Shanshan Huang|Zhiyuan Guan|Qiang Luo|Ruiming Tang|Kun Gai|Guorui Zhou

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

doi dblp

Pantheon: Personalized Multi-objective Ensemble Sort via Iterative Pareto Policy Optimization.

Jiangxia Cao|Pengbo Xu|Yin Cheng|Kaiwei Guo|Jian Tang|Shijun Wang|Dewei Leng|Shuang Yang|Zhaojie Liu|Yanan Niu|Guorui Zhou|Kun Gai

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

doi dblp

MISS: Multi-Modal Tree Indexing and Searching with Lifelong Sequential Behavior for Retrieval Recommendation.

Chengcheng Guo|Junda She|Kuo Cai|Shiyao Wang|Qigen Hu|Qiang Luo|Guorui Zhou|Kun Gai

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

doi dblp

MPFormer: Adaptive Framework for Industrial Multi-Task Personalized Sequential Retriever.

Yijia Sun|Shanshan Huang|Linxiao Che|Haitao Lu|Qiang Luo|Kun Gai|Guorui Zhou

Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025

doi dblp

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

doi dblp

FIM: Frequency-Aware Multi-View Interest Modeling for Local-Life Service Recommendation.

Guoquan Wang|Qiang Luo|Weisong Hu|Pengfei Yao|Wencong Zeng|Guorui Zhou|Kun Gai

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

doi dblp

Hierarchical Tree Search-based User Lifelong Behavior Modeling on Large Language Model.

Yu Xia|Rui Zhong|Hao Gu|Wei Yang|Chi Lu|Peng Jiang|Kun Gai

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

doi dblp

Comprehensive List Generation for Multi-Generator Reranking.

Hailan Yang|Zhenyu Qi|Shuchang Liu|Xiaoyu Yang|Xiaobei Wang|Xiang Li|Lantao Hu|Han Li|Kun Gai

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

doi dblp

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

doi dblp

A Cold-start Recommendation System at Kuaishou Designed from the Short-video Perspective.

Gaode Chen|Ruina Sun|Yinjie Jiang|Tianxiang Li|Yinlong Dai|Qifan Shi|Xiaojie Qin|Jialong Fu|Piaoyi Chen|Ronggeng Huang|Na Li|Qi Zhang|Jiang Liang|Han Li|Kun Gai

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

doi dblp

Creator-Side Recommender System: Challenges, Designs, and Applications.

Xiaoshuang Chen|Yibo Wang|Yao Wang|Husheng Liu|Kaiqiao Zhan|Ben Wang|Kun Gai

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

doi dblp

Hierarchical Sequence ID Representation of Large Language Models for Large-scale Recommendation Systems.

Rui Zhao|Rui Zhong|Haoran Zheng|Wei Yang|Chi Lu|Beihong Jin|Peng Jiang|Kun Gai

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

2024

doi dblp

Soft Contrastive Sequential Recommendation.

Yabin Zhang|Zhenlei Wang|Wenhui Yu|Lantao Hu|Peng Jiang|Kun Gai|Xu Chen

ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 6

doi dblp

Missing Interest Modeling with Lifelong User Behavior Data for Retrieval Recommendation.

Gaode Chen|Yuezihan Jiang|Rui Huang|Kuo Cai|Yunze Luo|Ruina Sun|Qi Zhang|Han Li|Kun Gai

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

doi dblp

A Self-Adaptive Fairness Constraint Framework for Industrial Recommender System.

Zhiqiang Liu|Xiaoxiao Xu|Jiaqi Yu|Han Xu|Lantao Hu|Han Li|Kun Gai

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

doi dblp

TWIN V2: Scaling Ultra-Long User Behavior Sequence Modeling for Enhanced CTR Prediction at Kuaishou.

Zihua Si|Lin Guan|Zhongxiang Sun|Xiaoxue Zang|Jing Lu|Yiqun Hui|Xingchao Cao|Zeyu Yang|Yichen Zheng|Dewei Leng|Kai Zheng|Chenbin Zhang|Yanan Niu|Yang Song|Kun Gai

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

doi dblp

Modeling User Fatigue for Sequential Recommendation.

Nian Li|Xin Ban|Cheng Ling|Chen Gao|Lantao Hu|Peng Jiang|Kun Gai|Yong Li|Qingmin Liao

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

doi dblp

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

doi dblp

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

doi dblp

Mixed Attention Network for Cross-domain Sequential Recommendation.

Guanyu Lin|Chen Gao|Yu Zheng|Jianxin Chang|Yanan Niu|Yang Song|Kun Gai|Zhiheng Li|Depeng Jin|Yong Li|Meng Wang

Proceedings of the 17th ACM International Conference on Web Search and Data Mining, WSDM 2024, Merida, Mexico, March 4-8, 2024

doi dblp

Inverse Learning with Extremely Sparse Feedback for Recommendation.

Guanyu Lin|Chen Gao|Yu Zheng|Yinfeng Li|Jianxin Chang|Yanan Niu|Yang Song|Kun Gai|Zhiheng Li|Depeng Jin|Yong Li

Proceedings of the 17th ACM International Conference on Web Search and Data Mining, WSDM 2024, Merida, Mexico, March 4-8, 2024

doi dblp

Adaptive Neural Ranking Framework: Toward Maximized Business Goal for Cascade Ranking Systems.

Yunli Wang|Zhiqiang Wang|Jian Yang|Shiyang Wen|Dongying Kong|Han Li|Kun Gai

Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

doi dblp

Enhancing Recommendation Accuracy and Diversity with Box Embedding: A Universal Framework.

Cheng Wu|Shaoyun Shi|Chaokun Wang|Ziyang Liu|Wang Peng|Wenjin Wu|Dongying Kong|Han Li|Kun Gai

Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

doi dblp

Full Stage Learning to Rank: A Unified Framework for Multi-Stage Systems.

Kai Zheng|Haijun Zhao|Rui Huang|Beichuan Zhang|Na Mou|Yanan Niu|Yang Song|Hongning Wang|Kun Gai

Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

doi dblp

Enhancing Interpretability and Effectiveness in Recommendation with Numerical Features via Learning to Contrast the Counterfactual samples.

Xiaoxiao Xu|Hao Wu|Wenhui Yu|Lantao Hu|Peng Jiang|Kun Gai

Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

doi dblp

When Search Meets Recommendation: Learning Disentangled Search Representation for Recommendation.

Zihua Si|Zhongxiang Sun|Xiao Zhang|Jun Xu|Xiaoxue Zang|Yang Song|Kun Gai|Ji-Rong Wen

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

doi dblp

Multi-behavior Self-supervised Learning for Recommendation.

Jingcao Xu|Chaokun Wang|Cheng Wu|Yang Song|Kai Zheng|Xiaowei Wang|Changping Wang|Guorui Zhou|Kun Gai

Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

doi dblp

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

doi dblp

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

doi dblp

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

doi dblp

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

doi dblp

Divide and Conquer: Towards Better Embedding-based Retrieval for Recommender Systems from a Multi-task Perspective.

Yuan Zhang|Xue Dong|Weijie Ding|Biao Li|Peng Jiang|Kun Gai

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

doi dblp

Disentangled Causal Embedding With Contrastive Learning For Recommender System.

Weiqi Zhao|Dian Tang|Xin Chen|Dawei Lv|Daoli Ou|Biao Li|Peng Jiang|Kun Gai

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

2022

doi dblp

Real-time Short Video Recommendation on Mobile Devices.

Xudong Gong|Qinlin Feng|Yuan Zhang|Jiangling Qin|Weijie Ding|Biao Li|Peng Jiang|Kun Gai

Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

2021

doi dblp

Optimizing Multiple Performance Metrics with Deep GSP Auctions for E-commerce Advertising.

Zhilin Zhang|Xiangyu Liu|Zhenzhe Zheng|Chenrui Zhang|Miao Xu|Junwei Pan|Chuan Yu|Fan Wu|Jian Xu|Kun Gai

WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021

2020

doi dblp

A Deep Prediction Network for Understanding Advertiser Intent and Satisfaction.

Liyi Guo|Rui Lu|Haoqi Zhang|Junqi Jin|Zhenzhe Zheng|Fan Wu|Jin Li|Haiyang Xu|Han Li|Wenkai Lu|Jian Xu|Kun Gai

CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

doi dblp

Learning to Infer User Hidden States for Online Sequential Advertising.

Zhaoqing Peng|Junqi Jin|Lan Luo|Yaodong Yang|Rui Luo|Jun Wang|Weinan Zhang|Haiyang Xu|Miao Xu|Chuan Yu|Tiejian Luo|Han Li|Jian Xu|Kun Gai

CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

doi dblp

Search-based User Interest Modeling with Lifelong Sequential Behavior Data for Click-Through Rate Prediction.

Qi Pi|Guorui Zhou|Yujing Zhang|Zhe Wang|Lejian Ren|Ying Fan|Xiaoqiang Zhu|Kun Gai

CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

doi dblp

A Deep Recurrent Survival Model for Unbiased Ranking.

Jiarui Jin|Yuchen Fang|Weinan Zhang|Kan Ren|Guorui Zhou|Jian Xu|Yong Yu|Jun Wang|Xiaoqiang Zhu|Kun Gai

Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2019

doi dblp

Learning to Advertise for Organic Traffic Maximization in E-Commerce Product Feeds.

Dagui Chen|Junqi Jin|Weinan Zhang|Fei Pan|Lvyin Niu|Chuan Yu|Jun Wang|Han Li|Jian Xu|Kun Gai

Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.

doi dblp

Learning Adaptive Display Exposure for Real-Time Advertising.

Weixun Wang|Junqi Jin|Jianye Hao|Chunjie Chen|Chuan Yu|Weinan Zhang|Jun Wang|Xiaotian Hao|Yixi Wang|Han Li|Jian Xu|Kun Gai

Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.

doi dblp

Lifelong Sequential Modeling with Personalized Memorization for User Response Prediction.

Kan Ren|Jiarui Qin|Yuchen Fang|Weinan Zhang|Lei Zheng|Weijie Bian|Guorui Zhou|Jian Xu|Yong Yu|Xiaoqiang Zhu|Kun Gai

Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.

2018

doi dblp

Real-Time Bidding with Multi-Agent Reinforcement Learning in Display Advertising.

Junqi Jin|Chengru Song|Han Li|Kun Gai|Jun Wang|Weinan Zhang

Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

doi dblp

Budget Constrained Bidding by Model-free Reinforcement Learning in Display Advertising.

Di Wu|Xiujun Chen|Xun Yang|Hao Wang|Qing Tan|Xiaoxun Zhang|Jian Xu|Kun Gai

Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

doi dblp

Entire Space Multi-Task Model: An Effective Approach for Estimating Post-Click Conversion Rate.

Xiao Ma|Liqin Zhao|Guan Huang|Zhi Wang|Zelin Hu|Xiaoqiang Zhu|Kun Gai

The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018