Xin Xin

2026

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Beyond efficient fine-tuning: Efficient hybrid fine-tuning of CLIP models guided by explainable ViT attention.

Hui Ye|Xuri Ge|Junqi Wang|Junchen Fu|Xin Xin|Jiao Xue|Yao Chen|Pengjie Ren|Zhumin Chen

Information Processing and Management 2026 Volume 63 Issue 5

doi dblp

MCoT-MVS: Multi-level Vision Selection by Multi-modal Chain-of-Thought Reasoning for Composed Image Retrieval.

Xuri Ge|Chunhao Wang|Xindi Wang|Zheyun Qin|Zhumin Chen|Xin Xin

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

R2NS: Recall and Re-ranking of Negative Samples for Sequential Recommendation.

Yuanzi Li|Xuri Ge|Jingyu Zhao|Yidan Wang|Jiyuan Yang|Zhumin Chen|Zhaochun Ren|Xin Xin

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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Learning Robust Sequential Recommenders through Confident Soft Labels.

Shiguang Wu|Xin Xin|Pengjie Ren|Zhumin Chen|Jun Ma|Maarten de Rijke|Zhaochun Ren

ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1

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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

doi dblp

Improving Sequential Recommenders through Counterfactual Augmentation of System Exposure.

Ziqi Zhao|Zhaochun Ren|Jiyuan Yang|Zuming Yan|Zihan Wang|Liu Yang|Pengjie Ren|Zhumin Chen|Maarten de Rijke|Xin Xin

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

Towards Personalized Federated Multi-Scenario Multi-Task Recommendation.

Yue Ding|Yanbiao Ji|Xun Cai|Xin Xin|Yuxiang Lu|Suizhi Huang|Chang Liu|Xiaofeng Gao|Tsuyoshi Murata|Hongtao Lu

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

doi dblp

Exploration and Exploitation of Hard Negative Samples for Cross-Domain Sequential Recommendation.

Yidan Wang|Xuri Ge|Xin Chen|Ruobing Xie|Su Yan|Xu Zhang|Zhumin Chen|Jun Ma|Xin Xin

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

doi dblp

The 1st EReL@MIR Workshop on Efficient Representation Learning for Multimodal Information Retrieval.

Junchen Fu|Xuri Ge|Xin Xin|Haitao Yu|Yue Feng|Alexandros Karatzoglou|Ioannis Arapakis|Joemon M. Jose

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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Diversifying Sequential Recommendation with Retrospective and Prospective Transformers.

Chaoyu Shi|Pengjie Ren|Dongjie Fu|Xin Xin|Shansong Yang|Fei Cai|Zhaochun Ren|Zhumin Chen

ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 5

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Sparks of Surprise: Multi-objective Recommendations with Hierarchical Decision Transformers for Diversity, Novelty, and Serendipity.

Jie Wang|Alexandros Karatzoglou|Ioannis Arapakis|Xin Xin|Xuri Ge|Joemon M. Jose

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

doi dblp

KEIR @ ECIR 2024: The First Workshop on Knowledge-Enhanced Information Retrieval.

Zaiqiao Meng|Shangsong Liang|Xin Xin|Gianluca Moro|Evangelos Kanoulas|Emine Yilmaz

Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part V

doi dblp

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

doi dblp

IISAN: Efficiently Adapting Multimodal Representation for Sequential Recommendation with Decoupled PEFT.

Junchen Fu|Xuri Ge|Xin Xin|Alexandros Karatzoglou|Ioannis Arapakis|Jie Wang|Joemon M. Jose

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

On the Effectiveness of Unlearning in Session-Based Recommendation.

Xin Xin|Liu Yang|Ziqi Zhao|Pengjie Ren|Zhumin Chen|Jun Ma|Zhaochun Ren

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

doi dblp

Debiasing Sequential Recommenders through Distributionally Robust Optimization over System Exposure.

Jiyuan Yang|Yue Ding|Yidan Wang|Pengjie Ren|Zhumin Chen|Fei Cai|Jun Ma|Rui Zhang|Zhaochun Ren|Xin Xin

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

2023

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On the User Behavior Leakage from Recommender System Exposure.

Xin Xin|Jiyuan Yang|Hanbing Wang|Jun Ma|Pengjie Ren|Hengliang Luo|Xinlei Shi|Zhumin Chen|Zhaochun Ren

ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 3

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DRL4IR: 4th Workshop on Deep Reinforcement Learning for Information Retrieval.

Xin Xin|Xiangyu Zhao|Jin Huang|Weinan Zhang|Li Zhao|Dawei Yin|Grace Hui Yang

Proceedings of the 32nd ACM International Conference on Information and Knowledge Management, CIKM 2023, Birmingham, United Kingdom, October 21-25, 2023

doi dblp

Improving Implicit Feedback-Based Recommendation through Multi-Behavior Alignment.

Xin Xin|Xiangyuan Liu|Hanbing Wang|Pengjie Ren|Zhumin Chen|Jiahuan Lei|Xinlei Shi|Hengliang Luo|Joemon M. Jose|Maarten de Rijke|Zhaochun Ren

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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Contrastive State Augmentations for Reinforcement Learning-Based Recommender Systems.

Zhaochun Ren|Na Huang|Yidan Wang|Pengjie Ren|Jun Ma|Jiahuan Lei|Xinlei Shi|Hengliang Luo|Joemon M. Jose|Xin Xin

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

A Generic Learning Framework for Sequential Recommendation with Distribution Shifts.

Zhengyi Yang|Xiangnan He|Jizhi Zhang|Jiancan Wu|Xin Xin|Jiawei Chen|Xiang Wang

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

Variational Reasoning over Incomplete Knowledge Graphs for Conversational Recommendation.

Xiaoyu Zhang|Xin Xin|Dongdong Li|Wenxuan Liu|Pengjie Ren|Zhumin Chen|Jun Ma|Zhaochun Ren

Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.

doi dblp

A Self-Correcting Sequential Recommender.

Yujie Lin|Chenyang Wang|Zhumin Chen|Zhaochun Ren|Xin Xin|Qiang Yan|Maarten de Rijke|Xiuzhen Cheng|Pengjie Ren

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

2022

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Variational Reasoning about User Preferences for Conversational Recommendation.

Zhaochun Ren|Zhi Tian|Dongdong Li|Pengjie Ren|Liu Yang|Xin Xin|Huasheng Liang|Maarten de Rijke|Zhumin Chen

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp

Rethinking Reinforcement Learning for Recommendation: A Prompt Perspective.

Xin Xin|Tiago Pimentel|Alexandros Karatzoglou|Pengjie Ren|Konstantina Christakopoulou|Zhaochun Ren

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp

ReMeDi: Resources for Multi-domain, Multi-service, Medical Dialogues.

Guojun Yan|Jiahuan Pei|Pengjie Ren|Zhaochun Ren|Xin Xin|Huasheng Liang|Maarten de Rijke|Zhumin Chen

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp

DRL4IR: 3rd Workshop on Deep Reinforcement Learning for Information Retrieval.

Xiangyu Zhao|Xin Xin|Weinan Zhang|Li Zhao|Dawei Yin|Grace Hui Yang

SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

doi dblp

Choosing the Best of Both Worlds: Diverse and Novel Recommendations through Multi-Objective Reinforcement Learning.

Dusan Stamenkovic|Alexandros Karatzoglou|Ioannis Arapakis|Xin Xin|Kleomenis Katevas

WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

doi dblp

Supervised Advantage Actor-Critic for Recommender Systems.

Xin Xin|Alexandros Karatzoglou|Ioannis Arapakis|Joemon M. Jose

WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

doi dblp

Learning Robust Recommenders through Cross-Model Agreement.

Yu Wang|Xin Xin|Zaiqiao Meng|Joemon M. Jose|Fuli Feng|Xiangnan He

WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp

Extracting Attentive Social Temporal Excitation for Sequential Recommendation.

Yunzhe Li|Yue Ding|Bo Chen|Xin Xin|Yule Wang|Yuxiang Shi|Ruiming Tang|Dong Wang

CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

doi dblp

AutoDebias: Learning to Debias for Recommendation.

Jiawei Chen|Hande Dong|Yang Qiu|Xiangnan He|Xin Xin|Liang Chen|Guli Lin|Keping Yang

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

Should Graph Convolution Trust Neighbors? A Simple Causal Inference Method.

Fuli Feng|Weiran Huang|Xiangnan He|Xin Xin|Qifan Wang|Tat-Seng Chua

SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp

Decomposed Collaborative Filtering: Modeling Explicit and Implicit Factors For Recommender Systems.

Hao Chen|Xin Xin|Dong Wang|Yue Ding

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

2020

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TGCN: Tag Graph Convolutional Network for Tag-Aware Recommendation.

Bo Chen|Wei Guo|Ruiming Tang|Xin Xin|Yue Ding|Xiuqiang He|Dong Wang

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

doi dblp

Self-Supervised Reinforcement Learning for Recommender Systems.

Xin Xin|Alexandros Karatzoglou|Ioannis Arapakis|Joemon M. Jose

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

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Relational Collaborative Filtering: Modeling Multiple Item Relations for Recommendation.

Xin Xin|Xiangnan He|Yongfeng Zhang|Yongdong Zhang|Joemon M. Jose

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