Xu Chen

2026

doi dblp
Explainable Recommendation with Simulated Human Feedback.
Jiakai Tang|Jingsen Zhang|Zihang Tian|Xueyang Feng|Lei Wang|Xu Chen
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 1
doi dblp
Divergence Meets Consensus: A Multi-Source Negative Sampling Framework for Sequential Recommendation.
Yuanzi Li|Tingwen Liu|Junyi Li|Lei Wang|Xu Chen|Lingjie Wang|Jingyu Zhao|Junbin Xiao|Wayne Xin Zhao|Jingyu Zhao|Junbin Xiao|Zihang Tian|Yuhan Wang|Junyi Li|Lei Wang|Wayne Xin Zhao|Xu Chen|Yuanzi Li|Tingwen Liu
Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026
doi dblp
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.

2025

doi dblp
User Behavior Simulation with Large Language Model-based Agents.
Lei Wang|Jingsen Zhang|Hao Yang|Zhiyuan Chen|Jiakai Tang|Zeyu Zhang|Xu Chen|Yankai Lin|Hao Sun|Ruihua Song|Xin Zhao|Jun Xu|Zhicheng Dou|Jun Wang|Ji-Rong Wen
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 2
doi dblp
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
doi dblp
The 1st Workshop on LLM Agents for Social Simulation.
Yige Yuan|Junkai Zhou|Bingbing Xu|Liang Pang|Du Su|An Zhang|Teng Xiao|Fengli Xu|Zhaochun Ren|Xu Chen
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
doi dblp
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
doi dblp
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

doi dblp
Privacy-preserving Cross-domain Recommendation with Federated Graph Learning.
Changxin Tian|Yuexiang Xie|Xu Chen|Yaliang Li|Xin Zhao
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 5
doi dblp
Distributional Fairness-aware Recommendation.
Hao Yang|Xian Wu|Zhaopeng Qiu|Yefeng Zheng|Xu Chen
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 5
doi dblp
Toward Bias-Agnostic Recommender Systems: A Universal Generative Framework.
Zhidan Wang|Lixin Zou|Chenliang Li|Shuaiqiang Wang|Xu Chen|Dawei Yin|Weidong Liu
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 6
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
Large Language Model Powered Agents for Information Retrieval.
An Zhang|Yang Deng|Yankai Lin|Xu Chen|Ji-Rong Wen|Tat-Seng Chua
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
Causally Debiased Time-aware Recommendation.
Lei Wang|Chen Ma|Xian Wu|Zhaopeng Qiu|Yefeng Zheng|Xu Chen
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
doi dblp
Understanding Human Preferences: Towards More Personalized Video to Text Generation.
Yihan Wu|Ruihua Song|Xu Chen|Hao Jiang|Zhao Cao|Jin Yu
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
doi dblp
Large Language Model Powered Agents in the Web.
Yang Deng|An Zhang|Yankai Lin|Xu Chen|Ji-Rong Wen|Tat-Seng Chua
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024
doi dblp
Simulating Human Society with Large Language Model Agents: City, Social Media, and Economic System.
Chen Gao|Fengli Xu|Xu Chen|Xiang Wang|Xiangnan He|Yong Li
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

doi dblp
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
doi dblp
Causal Collaborative Filtering.
Shuyuan Xu|Yingqiang Ge|Yunqi Li|Zuohui Fu|Xu Chen|Yongfeng Zhang
Proceedings of the 2023 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2023, Taipei, Taiwan, 23 July 2023
doi dblp
Towards a More User-Friendly and Easy-to-Use Benchmark Library for Recommender Systems.
Lanling Xu|Xiong Li|Wayne Xin Zhao|Seyed Mohammad Hosseini|Bowen Zheng|Pengxiang Lan|Enneng Yang|Ebrahim Bagheri|Zhen Tian|Yifan Li|Yikang Yan|Xu Chen|Gaowei Zhang|Jiakai Tang|Yuliang Liang|Zhenyu Wen|Ji-Rong Wen|Jianzhe Zhao|Junjie Zhang|Zeyu Zhang|Lei Wang|Yupeng Hou|Guibing Guo|Lanling Xu|Seyed Mohammad Hosseini|Bowen Zheng|Pengxiang Lan|Ebrahim Bagheri|Zhen Tian|Enneng Yang|Yifan Li|Yuliang Liang|Jiakai Tang|Zeyu Zhang|Jianzhe Zhao|Yupeng Hou|Guibing Guo|Xingyu Pan|Wayne Xin Zhao|Xiong Li|Yikang Yan|Xu Chen|Zhenyu Wen|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
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
doi dblp
Distributionally Robust Sequential Recommnedation.
Rui Zhou|Xian Wu|Zhaopeng Qiu|Yefeng Zheng|Xu Chen
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
Robust Recommendation with Adversarial Gaussian Data Augmentation.
Zhenlei Wang|Xu Chen
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023
doi dblp
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

doi dblp
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
doi dblp
RecBole 2.0: Towards a More Up-to-Date Recommendation Library.
Wayne Xin Zhao|Yupeng Hou|Xingyu Pan|Chen Yang|Zeyu Zhang|Zihan Lin|Jingsen Zhang|Shuqing Bian|Jiakai Tang|Wenqi Sun|Yushuo Chen|Lanling Xu|Gaowei Zhang|Zhen Tian|Changxin Tian|Shanlei Mu|Xinyan Fan|Xu Chen|Ji-Rong Wen
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
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
doi dblp
Unbiased Sequential Recommendation with Latent Confounders.
Zhenlei Wang|Shiqi Shen|Zhipeng Wang|Bo Chen|Xu Chen|Ji-Rong Wen
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022
doi dblp
Generative Session-based Recommendation.
Zhidan Wang|Wenwen Ye|Xu Chen|Wenqiang Zhang|Zhenlei Wang|Lixin Zou|Weidong Liu
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp
Counterfactual Explainable Recommendation.
Juntao Tan|Shuyuan Xu|Yingqiang Ge|Yunqi Li|Xu Chen|Yongfeng Zhang
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
Counterfactual Review-based Recommendation.
Kun Xiong|Wenwen Ye|Xu Chen|Yongfeng Zhang|Wayne Xin Zhao|Binbin Hu|Zhiqiang Zhang|Jun Zhou
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
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
doi dblp
Causally Attentive Collaborative Filtering.
Jingsen Zhang|Xu Chen|Wayne Xin Zhao
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
RecBole: Towards a Unified, Comprehensive and Efficient Framework for Recommendation Algorithms.
Wayne Xin Zhao|Shanlei Mu|Yupeng Hou|Zihan Lin|Yushuo Chen|Xingyu Pan|Kaiyuan Li|Yujie Lu|Hui Wang|Changxin Tian|Yingqian Min|Zhichao Feng|Xinyan Fan|Xu Chen|Pengfei Wang|Wendi Ji|Yaliang Li|Xiaoling Wang|Ji-Rong Wen
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
Counterfactual Data-Augmented Sequential Recommendation.
Zhenlei Wang|Jingsen Zhang|Hongteng Xu|Xu Chen|Yongfeng Zhang|Wayne Xin Zhao|Ji-Rong Wen
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
CSR 2021: The 1st International Workshop on Causality in Search and Recommendation.
Yongfeng Zhang|Xu Chen|Yi Zhang|Xianjie Chen
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
The 1st International Workshop on Machine Reasoning: International Machine Reasoning Conference (MRC 2021).
Yongfeng Zhang|Min Zhang|Hanxiong Chen|Xu Chen|Xianjie Chen|Chuang Gan|Tong Sun|Xin Luna Dong
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021
doi dblp
A Novel Macro-Micro Fusion Network for User Representation Learning on Mobile Apps.
Shuqing Bian|Wayne Xin Zhao|Kun Zhou|Xu Chen|Jing Cai|Yancheng He|Xingji Luo|Ji-Rong Wen
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.
doi dblp
Reinforcement Recommendation with User Multi-aspect Preference.
Xu Chen|Yali Du|Long Xia|Jun Wang
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

doi dblp
Explainable Recommendation: A Survey and New Perspectives.
Yongfeng Zhang|Xu Chen
Foundations and Trends in Information Retrieval 2020 Volume 14 Issue 1
doi dblp
Neural Feature-aware Recommendation with Signed Hypergraph Convolutional Network.
Xu Chen|Kun Xiong|Yongfeng Zhang|Long Xia|Dawei Yin|Jimmy Xiangji Huang
ACM Transactions on Information Systems (TOIS) 2020 Volume 39 Issue 1
doi dblp
Learning to Match Jobs with Resumes from Sparse Interaction Data using Multi-View Co-Teaching Network.
Kun Zhou|Jaehui Park|Shuqing Bian|Sang-goo Lee|Xu Chen|Yupeng Hou|Wayne Xin Zhao|Kun Zhou|Jaehui Park|Sang-goo Lee|Yupeng Hou|Yang Song|Tao Zhang|Ji-Rong Wen
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
doi dblp
CAFE: Coarse-to-Fine Neural Symbolic Reasoning for Explainable Recommendation.
Yikun Xian|Zuohui Fu|Handong Zhao|Yingqiang Ge|Xu Chen|Qiaoying Huang|Shijie Geng|Zhou Qin|Gerard de Melo|S. Muthukrishnan|Yongfeng Zhang
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
doi dblp
JIT2R: A Joint Framework for Item Tagging and Tag-based Recommendation.
Xu Chen|Changying Du|Xiuqiang He|Jun Wang
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
Time Matters: Sequential Recommendation with Complex Temporal Information.
Wenwen Ye|Shuaiqiang Wang|Jian Cao|Xu Chen|Jian Cao|Xu Chen|Jianqi Gao|Xuepeng Wang|Xuepeng Wang|Jianqi Gao|Jinghua Tang|Zheng Qin|Jinghua Tang|Shiyou Qian|Dawei Yin|Zheng Qin|Shiyou Qian|Dawei Yin
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020
doi dblp
EARS 2020: The 3rd International Workshop on ExplainAble Recommendation and Search.
Yongfeng Zhang|Xu Chen|Eugene Yang|Yi Zhang|Min Zhang|Chirag Shah|Xu Chen|Eugene Yang
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
Adversarial Distillation for Efficient Recommendation with External Knowledge.
Xu Chen|Yongfeng Zhang|Hongteng Xu|Zheng Qin|Hongyuan Zha
ACM Transactions on Information Systems (TOIS) 2019 Volume 37 Issue 1
doi dblp
Personalized Fashion Recommendation with Visual Explanations based on Multimodal Attention Network: Towards Visually Explainable Recommendation.
Xu Chen|Hanxiong Chen|Hongteng Xu|Yongfeng Zhang|Yixin Cao|Zheng Qin|Hongyuan Zha
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
Towards Conversational Search and Recommendation: System Ask, User Respond.
Yongfeng Zhang|Xu Chen|Qingyao Ai|Liu Yang|W. Bruce Croft
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
doi dblp
Sequential Recommendation with User Memory Networks.
Xu Chen|Hongteng Xu|Yongfeng Zhang|Jiaxi Tang|Yixin Cao|Zheng Qin|Hongyuan Zha
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018
doi dblp
IFUP: Workshop on Multi-dimensional Information Fusion for User Modeling and Personalization.
Feida Zhu|Yongfeng Zhang|Neil Yorke-Smith|Guibing Guo|Xu Chen
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018
doi dblp
Aesthetic-based Clothing Recommendation.
Wenhui Yu|Huidi Zhang|Xiangnan He|Xu Chen|Li Xiong|Zheng Qin
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

2017

doi dblp
Probabilistic Local Matrix Factorization Based on User Reviews.
Xu Chen|Yongfeng Zhang|Wayne Xin Zhao|Wenwen Ye|Zheng Qin
Information Retrieval Technology - 13th Asia Information Retrieval Societies Conference, AIRS 2017, Jeju Island, South Korea, November 22-24, 2017, Proceedings
doi dblp
A Collaborative Neural Model for Rating Prediction by Leveraging User Reviews and Product Images.
Wenwen Ye|Yongfeng Zhang|Wayne Xin Zhao|Xu Chen|Zheng Qin
Information Retrieval Technology - 13th Asia Information Retrieval Societies Conference, AIRS 2017, Jeju Island, South Korea, November 22-24, 2017, Proceedings
doi dblp
Fast Algorithms for Pareto Optimal Group-based Skyline.
Wenhui Yu|Zheng Qin|Jinfei Liu|Li Xiong|Xu Chen|Huidi Zhang
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
doi dblp
Joint Representation Learning for Top-N Recommendation with Heterogeneous Information Sources.
Yongfeng Zhang|Qingyao Ai|Xu Chen|W. Bruce Croft
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017
doi dblp
Learning a Hierarchical Embedding Model for Personalized Product Search.
Qingyao Ai|Yongfeng Zhang|Keping Bi|Xu Chen|W. Bruce Croft
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017
doi dblp
Personalized Key Frame Recommendation.
Xu Chen|Yongfeng Zhang|Qingyao Ai|Hongteng Xu|Junchi Yan|Zheng Qin
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

2016

doi dblp
Learning to Rank Features for Recommendation over Multiple Categories.
Xu Chen|Zheng Qin|Yongfeng Zhang|Tao Xu
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016
doi dblp
HLBPR: A Hybrid Local Bayesian Personal Ranking Method.
Xu Chen|Pengfei Wang|Zheng Qin|Yongfeng Zhang
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11-15, 2016, Companion Volume