Zhenhua Dong

2026

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UNGER: Generative Recommendation with A Unified Code via Semantic and Collaborative Integration.
Longtao Xiao|Haozhao Wang|Cheng Wang|Linfei Ji|Yifan Wang|Jieming Zhu|Zhenhua Dong|Rui Zhang|Ruixuan Li
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 2
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EENet: An Efficient and Effective Network for Large-Scale CTR Prediction.
Dezhi Yi|Bo Chen|Ye Lu|Hang Liu|Suqi Shi|Yangsen Liu|Wei Guo|Kenan Song|Huifeng Guo|Yong Liu|Zhenhua Dong|Ruiming Tang
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4
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Counteracting the Delayed Conversions in OCPC with Survival Analysis.
Leping Zhang|Chenxuan He|Xiao Zhang|Yichao Wang|Tengxiang Zhang|Zhenhua Dong|Jun Xu
Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026
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Optimizing Multi-Turn Interactive Recommendation Agents via Generative Intrinsic Motivation.
Xueyang Feng|Jiakai Tang|Xu Chen|Quanyu Dai|Zhenhua Dong
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.
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FairFS: Addressing Deep Feature Selection Biases for Recommender System.
Xianquan Wang|Zhaocheng Du|Jieming Zhu|Qinglin Jia|Zhenhua Dong|Kai Zhang
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

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Adapting Constrained Markov Decision Process for OCPC Bidding with Delayed Conversions.
Leping Zhang|Xiao Zhang|Yichao Wang|Xuan Li|Zhenhua Dong|Jun Xu
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2
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A Survey on the Memory Mechanism of Large Language Model-based Agents.
Zeyu Zhang|Quanyu Dai|Xiaohe Bo|Chen Ma|Rui Li|Xu Chen|Jieming Zhu|Zhenhua Dong|Ji-Rong Wen
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 6
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Prompt Tuning as User Inherent Profile Inference Machine.
Yusheng Lu|Zhaocheng Du|Xiangyang Li|Pengyue Jia|Yejing Wang|Weiwen Liu|Yichao Wang|Huifeng Guo|Ruiming Tang|Zhenhua Dong|Yongrui Duan|Xiangyu Zhao
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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Exploring the Escalation of Source Bias in User, Data, and Recommender System Feedback Loop.
Yuqi Zhou|Sunhao Dai|Liang Pang|Gang Wang|Zhenhua Dong|Jun Xu|Ji-Rong Wen
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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LLM-Empowered Creator Simulation for Long-Term Evaluation of Recommender Systems Under Information Asymmetry.
Xiaopeng Ye|Chen Xu|Zhongxiang Sun|Jun Xu|Gang Wang|Zhenhua Dong|Ji-Rong Wen
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Unifying Bias and Unfairness in Information Retrieval: New Challenges in the LLM Era.
Sunhao Dai|Chen Xu|Shicheng Xu|Liang Pang|Zhenhua Dong|Jun Xu
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
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MCNet: Monotonic Calibration Networks for Expressive Uncertainty Calibration in Online Advertising.
Quanyu Dai|Jiaren Xiao|Zhaocheng Du|Jieming Zhu|Chengxiao Luo|Xiao-Ming Wu|Zhenhua Dong
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
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EAGER-LLM: Enhancing Large Language Models as Recommenders through Exogenous Behavior-Semantic Integration.
Minjie Hong|Yan Xia|Zehan Wang|Jieming Zhu|Ye Wang|Sihang Cai|Xiaoda Yang|Quanyu Dai|Zhenhua Dong|Zhimeng Zhang|Zhou Zhao
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
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RecUserSim: A Realistic and Diverse User Simulator for Evaluating Conversational Recommender Systems.
Luyu Chen|Quanyu Dai|Zeyu Zhang|Xueyang Feng|Mingyu Zhang|Pengcheng Tang|Xu Chen|Yue Zhu|Zhenhua Dong
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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Few-shot LLM Synthetic Data with Distribution Matching.
Jiyuan Ren|Zhaocheng Du|Zhihao Wen|Qinglin Jia|Sunhao Dai|Chuhan Wu|Zhenhua Dong
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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A Contextual-Aware Position Encoding for Sequential Recommendation.
Jun Yuan|Guohao Cai|Zhenhua Dong
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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MemEngine: A Unified and Modular Library for Developing Advanced Memory of LLM-based Agents.
Zeyu Zhang|Quanyu Dai|Xu Chen|Rui Li|Zhongyang Li|Zhenhua Dong
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

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Syntactic-Informed Graph Networks for Sentence Matching.
Chen Xu|Jun Xu|Zhenhua Dong|Ji-Rong Wen
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 2
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UniEmbedding: Learning Universal Multi-Modal Multi-Domain Item Embeddings via User-View Contrastive Learning.
Boqi Dai|Zhaocheng Du|Jieming Zhu|Jintao Xu|Deqing Zou|Quanyu Dai|Zhenhua Dong|Rui Zhang|Hai-Tao Zheng
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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EASE: Learning Lightweight Semantic Feature Adapters from Large Language Models for CTR Prediction.
Zexuan Qiu|Jieming Zhu|Yankai Chen|Guohao Cai|Weiwen Liu|Zhenhua Dong|Irwin King
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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Guaranteeing Accuracy and Fairness under Fluctuating User Traffic: A Bankruptcy-Inspired Re-ranking Approach.
Xiaopeng Ye|Chen Xu|Jun Xu|Xuyang Xie|Gang Wang|Zhenhua Dong
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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Confidence-Aware Multi-Field Model Calibration.
Yuang Zhao|Chuhan Wu|Qinglin Jia|Hong Zhu|Jia Yan|Libin Zong|Linxuan Zhang|Zhenhua Dong|Muyu Zhang
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
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LightCS: Selecting Quadratic Feature Crosses in Linear Complexity.
Zhaocheng Du|Junhao Chen|Qinglin Jia|Chuhan Wu|Jieming Zhu|Zhenhua Dong|Ruiming Tang
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024
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Recall-Augmented Ranking: Enhancing Click-Through Rate Prediction Accuracy with Cross-Stage Data.
Junjie Huang|Guohao Cai|Jieming Zhu|Zhenhua Dong|Ruiming Tang|Weinan Zhang|Yong Yu
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024
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MART: Learning Hierarchical Music Audio Representations with Part-Whole Transformer.
Dong Yao|Jieming Zhu|Jiahao Xun|Shengyu Zhang|Zhou Zhao|Liqun Deng|Wenqiao Zhang|Zhenhua Dong|Xin Jiang
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024
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Multimodal Pretraining and Generation for Recommendation: A Tutorial.
Jieming Zhu|Xin Zhou|Chuhan Wu|Rui Zhang|Zhenhua Dong
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

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Bounding System-Induced Biases in Recommender Systems with a Randomized Dataset.
Dugang Liu|Pengxiang Cheng|Zinan Lin|Xiaolian Zhang|Zhenhua Dong|Rui Zhang|Xiuqiang He|Weike Pan|Zhong Ming
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 4
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Debiased Recommendation with User Feature Balancing.
Mengyue Yang|Guohao Cai|Furui Liu|Jiarui Jin|Zhenhua Dong|Xiuqiang He|Jianye Hao|Weiqi Shao|Jun Wang|Xu Chen
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 4
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Law Article-Enhanced Legal Case Matching: A Causal Learning Approach.
Zhongxiang Sun|Jun Xu|Xiao Zhang|Zhenhua Dong|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
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Beyond Two-Tower Matching: Learning Sparse Retrievable Cross-Interactions for Recommendation.
Liangcai Su|Fan Yan|Jieming Zhu|Xi Xiao|Haoyi Duan|Zhou Zhao|Zhenhua Dong|Ruiming Tang
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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Single-shot Feature Selection for Multi-task Recommendations.
Yejing Wang|Zhaocheng Du|Xiangyu Zhao|Bo Chen|Huifeng Guo|Ruiming Tang|Zhenhua Dong
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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DisCover: Disentangled Music Representation Learning for Cover Song Identification.
Jiahao Xun|Shengyu Zhang|Yanting Yang|Jieming Zhu|Liqun Deng|Zhou Zhao|Zhenhua Dong|Ruiqi Li|Lichao Zhang|Fei Wu
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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Robust Causal Inference for Recommender System to Overcome Noisy Confounders.
Zhiheng Zhang|Quanyu Dai|Xu Chen|Zhenhua Dong|Ruiming Tang
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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FINAL: Factorized Interaction Layer for CTR Prediction.
Jieming Zhu|Qinglin Jia|Guohao Cai|Quanyu Dai|Jingjie Li|Zhenhua Dong|Ruiming Tang|Rui Zhang
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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Separating Examination and Trust Bias from Click Predictions for Unbiased Relevance Ranking.
Haiyuan Zhao|Jun Xu|Xiao Zhang|Guohao Cai|Zhenhua Dong|Ji-Rong Wen
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.
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FANS: Fast Non-Autoregressive Sequence Generation for Item List Continuation.
Qijiong Liu|Jieming Zhu|Jiahao Wu|Tiandeng Wu|Zhenhua Dong|Xiao-Ming Wu
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023
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P-MMF: Provider Max-min Fairness Re-ranking in Recommender System.
Chen Xu|Sirui Chen|Jun Xu|Weiran Shen|Xiao Zhang|Gang Wang|Zhenhua Dong
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023
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Recommendation with Causality enhanced Natural Language Explanations.
Jingsen Zhang|Xu Chen|Jiakai Tang|Weiqi Shao|Quanyu Dai|Zhenhua Dong|Rui Zhang
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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LCD: Adaptive Label Correction for Denoising Music Recommendation.
Quanyu Dai|Yalei Lv|Jieming Zhu|Junjie Ye|Zhenhua Dong|Rui Zhang|Shu-Tao Xia|Ruiming Tang
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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IntTower: The Next Generation of Two-Tower Model for Pre-Ranking System.
Xiangyang Li|Bo Chen|Huifeng Guo|Jingjie Li|Chenxu Zhu|Xiang Long|Sujian Li|Yichao Wang|Wei Guo|Longxia Mao|Jinxing Liu|Zhenhua Dong|Ruiming Tang
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Dually Enhanced Propensity Score Estimation in Sequential Recommendation.
Chen Xu|Jun Xu|Xu Chen|Zhenhua Dong|Ji-Rong Wen
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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ReLoop: A Self-Correction Continual Learning Loop for Recommender Systems.
Guohao Cai|Jieming Zhu|Quanyu Dai|Zhenhua Dong|Xiuqiang He|Ruiming Tang|Rui Zhang
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022
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Explainable Legal Case Matching via Inverse Optimal Transport-based Rationale Extraction.
Weijie Yu|Zhongxiang Sun|Jun Xu|Zhenhua Dong|Xu Chen|Hongteng Xu|Ji-Rong Wen
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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SimpleX: A Simple and Strong Baseline for Collaborative Filtering.
Kelong Mao|Jieming Zhu|Jinpeng Wang|Quanyu Dai|Zhenhua Dong|Xi Xiao|Xiuqiang He
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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Top-N Recommendation with Counterfactual User Preference Simulation.
Mengyue Yang|Quanyu Dai|Zhenhua Dong|Xu Chen|Xiuqiang He|Jun Wang
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

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A General Knowledge Distillation Framework for Counterfactual Recommendation via Uniform Data.
Dugang Liu|Pengxiang Cheng|Zhenhua Dong|Xiuqiang He|Weike Pan|Zhong Ming
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
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Influence Function for Unbiased Recommendation.
Jiangxing Yu|Hong Zhu|Chih-Yao Chang|Xinhua Feng|Bo-Wen Yuan|Xiuqiang He|Zhenhua Dong
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
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MetaSelector: Meta-Learning for Recommendation with User-Level Adaptive Model Selection.
Mi Luo|Fei Chen|Pengxiang Cheng|Zhenhua Dong|Xiuqiang He|Jiashi Feng|Zhenguo Li
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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Improving Ad Click Prediction by Considering Non-displayed Events.
Bo-Wen Yuan|Jui-Yang Hsia|Mengyuan Yang|Hong Zhu|Chih-Yao Chang|Zhenhua Dong|Chih-Jen Lin
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.