Lixin Zou

2026

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Learning Discrete Identifiers and Dense Vectors for Generative Retrieval.
Yunfan Xie|Lixin Zou|Xiangyang Luo|Hengyi Cai|Chaoran Zhang|Liming Dong|Xixun Lin|Chenliang Li
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 2
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Erratum: Learning Discrete Identifiers and Dense Vectors for Generative Retrieval.
Yunfan Xie|Lixin Zou|Xiangyang Luo|Hengyi Cai|Chaoran Zhang|Liming Dong|Xixun Lin|Chenliang Li
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 3
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Deep Learning to Rank in Industrial Search Engines, Recommender Systems, and Online Advertising: An Overview and New Perspectives.
Yulong Gu|Lixin Zou|Chenliang Li
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4
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Multi-Interest Recommendation: A Survey.
Zihao Li|Qiang Chen|Lixin Zou|Aixin Sun|Chenliang Li
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4
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Corrigendum: One Model for All: Large Language Models Are Domain-Agnostic Recommendation Systems.
Zuoli Tang|Zhaoxin Huan|Zihao Li|Xiaolu Zhang|Jun Hu|Chilin Fu|Jun Zhou|Lixin Zou|Chenliang Li
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4
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Q-value guided Text-to-SQL generation: Structured reasoning meets efficient inference exploration.
Min Tang|Lixin Zou|Shujie Cui|Weiqing Wang|Zhe Jin|Chengliang Li|Shiuan-Ni Liang
Information Processing and Management 2026 Volume 63 Issue 5
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Scaling Collaborative Filtering with Multimodal Contrastive Fine-tuning.
Liwei Jin|Dan Luo|Lixin Zou|Chenliang Li|Xiangyang Luo|Xixun Lin|Liming Dong|Yifan 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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Sequential recommendation by reprogramming pretrained transformer.
Min Tang|Shujie Cui|Zhe Jin|Shiuan-Ni Liang|Chenliang Li|Lixin Zou
Information Processing and Management 2025 Volume 62 Issue 1
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Contrastive Modality-Disentangled Learning for Multimodal Recommendation.
Xixun Lin|Rui Liu|Yanan Cao|Lixin Zou|Qian Li|Yongxuan Wu|Yang Liu|Dawei Yin|Guandong Xu
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 3
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HORAE: Temporal Multi-Interest Pre-training for Sequential Recommendation.
Shirui Hu|Weichang Wu|Zuoli Tang|Zhaoxin Huan|Lin Wang|Xiaolu Zhang|Jun Zhou|Lixin Zou|Chenliang Li
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 4
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Uniform Graph Pre-training and Prompting for Transferable Recommendation.
Qing Yu|Lixin Zou|Xiangyang Luo|Xiangyu Zhao|Chenliang Li
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 4
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One Model for All: Large Language Models Are Domain-Agnostic Recommendation Systems.
Zuoli Tang|Zhaoxin Huan|Zihao Li|Xiaolu Zhang|Jun Hu|Chilin Fu|Jun Zhou|Lixin Zou|Chenliang Li
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 5
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Efficient and explainable sequential recommendation with language model.
Zihao Li|Lixin Zou|Chao Ma|Chenliang Li
Information Processing and Management 2025 Volume 62 Issue 5
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Generative Meta-Learning for Zero-Shot Relation Triplet Extraction.
Wanli Li|Tieyun Qian|Yi Song|Zeyu Zhang|Jiawei Li|Zhuang Chen|Lixin Zou
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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Conformal Graph-level Out-of-distribution Detection with Adaptive Data Augmentation.
Xixun Lin|Yanan Cao|Nan Sun|Lixin Zou|Chuan Zhou|Peng Zhang|Shuai Zhang|Ge Zhang|Jia Wu
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

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Disentangle interest trend and diversity for sequential recommendation.
Zihao Li|Yunfan Xie|Wei Emma Zhang|Pengfei Wang|Lixin Zou|Fei Li|Xiangyang Luo|Chenliang Li
Information Processing and Management 2024 Volume 61 Issue 2
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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
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Efficient and Robust Regularized Federated Recommendation.
Langming Liu|Wanyu Wang|Xiangyu Zhao|Zijian Zhang|Chunxu Zhang|Shanru Lin|Yiqi Wang|Lixin Zou|Zitao Liu|Xuetao Wei|Hongzhi Yin|Qing Li
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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Spectral and Geometric Spaces Representation Regularization for Multi-Modal Sequential Recommendation.
Zihao Li|Xuekong Xu|Zuoli Tang|Lixin Zou|Qian Wang|Chenliang Li
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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TEXT CAN BE FAIR: Mitigating Popularity Bias with PLMs by Learning Relative Preference.
Zuoli Tang|Zhaoxin Huan|Zihao Li|Shirui Hu|Xiaolu Zhang|Jun Zhou|Lixin Zou|Chenliang Li
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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Unbiased Learning-to-Rank Needs Unconfounded Propensity Estimation.
Dan Luo|Lixin Zou|Qingyao Ai|Zhiyu Chen|Chenliang Li|Dawei Yin|Brian D. Davison
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Unified Visual Preference Learning for User Intent Understanding.
Yihua Wen|Si Chen|Yu Tian|Wanxian Guan|Pengjie Wang|Hongbo Deng|Jian Xu|Bo Zheng|Zihao Li|Lixin Zou|Chenliang Li
Proceedings of the 17th ACM International Conference on Web Search and Data Mining, WSDM 2024, Merida, Mexico, March 4-8, 2024
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Whole Page Unbiased Learning to Rank.
Haitao Mao|Lixin Zou|Yujia Zheng|Jiliang Tang|Xiaokai Chu|Jiashu Zhao|Qian Wang|Dawei Yin
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

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Pre-trained Language Model-based Retrieval and Ranking for Web Search.
Lixin Zou|Weixue Lu|Yiding Liu|Hengyi Cai|Xiaokai Chu|Dehong Ma|Daiting Shi|Yu Sun|Zhicong Cheng|Simiu Gu|Shuaiqiang Wang|Dawei Yin
ACM Transactions on the Web 2023 Volume 17 Issue 1
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Tutorial: Data Denoising Metrics in Recommender Systems.
Pengfei Wang|Chenliang Li|Lixin Zou|Zhichao Feng|Kaiyuan Li|Xiaochen Li|Xialong Liu|Shangguang Wang
Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023
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Overview of the NTCIR-17 Unbiased Learning to Rank Evaluation 2 (ULTRE-2) Task.
Zechun Niu|Jiaxin Mao|Qingyao Ai|Lixin Zou|Shuaiqiang Wang|Dawei Yin
Proceedings of the 17th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2023, Tokyo, Japan, December 12-15, 2023
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Towards Multi-Interest Pre-training with Sparse Capsule Network.
Zuoli Tang|Lin Wang|Lixin Zou|Xiaolu Zhang|Jun Zhou|Chenliang Li
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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Model-based Unbiased Learning to Rank.
Dan Luo|Lixin Zou|Qingyao Ai|Zhiyu Chen|Dawei Yin|Brian D. Davison
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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User Retention-oriented Recommendation with Decision Transformer.
Kesen Zhao|Lixin Zou|Xiangyu Zhao|Maolin Wang|Dawei Yin
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Approximated Doubly Robust Search Relevance Estimation.
Lixin Zou|Changying Hao|Hengyi Cai|Shuaiqiang Wang|Suqi Cheng|Zhicong Cheng|Wenwen Ye|Simiu Gu|Dawei Yin
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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H-ERNIE: A Multi-Granularity Pre-Trained Language Model for Web Search.
Xiaokai Chu|Jiashu Zhao|Lixin Zou|Dawei Yin
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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Fast Semantic Matching via Flexible Contextualized Interaction.
Wenwen Ye|Yiding Liu|Lixin Zou|Hengyi Cai|Suqi Cheng|Shuaiqiang Wang|Dawei Yin
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022
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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

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Enhanced Doubly Robust Learning for Debiasing Post-Click Conversion Rate Estimation.
Siyuan Guo|Lixin Zou|Yiding Liu|Wenwen Ye|Suqi Cheng|Shuaiqiang Wang|Hechang Chen|Dawei Yin|Yi Chang
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
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UserSim: User Simulation via Supervised GenerativeAdversarial Network.
Xiangyu Zhao|Long Xia|Lixin Zou|Hui Liu|Dawei Yin|Jiliang Tang
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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Deep Multifaceted Transformers for Multi-objective Ranking in Large-Scale E-commerce Recommender Systems.
Yulong Gu|Zhuoye Ding|Shuaiqiang Wang|Lixin Zou|Yiding Liu|Dawei Yin
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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Meta-Learning for Neural Relation Classification with Distant Supervision.
Zhenzhen Li|Jian-Yun Nie|Benyou Wang|Pan Du|Yuhan Zhang|Lixin Zou|Dongsheng Li
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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Whole-Chain Recommendations.
Xiangyu Zhao|Long Xia|Lixin Zou|Hui Liu|Dawei Yin|Jiliang Tang
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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Neural Interactive Collaborative Filtering.
Lixin Zou|Long Xia|Yulong Gu|Xiangyu Zhao|Weidong Liu|Jimmy Xiangji Huang|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
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Pseudo Dyna-Q: A Reinforcement Learning Framework for Interactive Recommendation.
Lixin Zou|Long Xia|Pan Du|Zhuo Zhang|Ting Bai|Weidong Liu|Jian-Yun Nie|Dawei Yin
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

2019

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CTRec: A Long-Short Demands Evolution Model for Continuous-Time Recommendation.
Ting Bai|Lixin Zou|Wayne Xin Zhao|Pan Du|Weidong Liu|Jian-Yun Nie|Ji-Rong Wen
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.