Weizhi Ma

2026

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User Immersion-aware Short Video Recommendation.
Zhiyu He|Shaorun Zhang|Weizhi Ma|Jiayu Li|Peijie Sun|Qingyao Ai|Yiqun Liu|Min Zhang
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 1
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Understanding Internal Representations of Recommendation Models with Sparse Autoencoders.
Jiayin Wang|Xiaoyu Zhang|Weizhi Ma|Zhiqiang Guo|Min Zhang
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 3

2025

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Feature-Enhanced Neural Collaborative Reasoning for Explainable Recommendation.
Xiaoyu Zhang|Shaoyun Shi|Yishan Li|Weizhi Ma|Peijie Sun|Min Zhang
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 1
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StepTool: Enhancing Multi-Step Tool Usage in LLMs via Step-Grained Reinforcement Learning.
Yuanqing Yu|Zhefan Wang|Weizhi Ma|Shuai Wang|Chuhan Wu|Zhiqiang Guo|Min Zhang
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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U-Sticker: A Large-Scale Multi-Domain User Sticker Dataset for Retrieval and Personalization.
Heng Er Metilda Chee|Jiayin Wang|Zhiqiang Guo|Weizhi Ma|Qinglang Guo|Min Zhang
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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Short Video Segment-level User Dynamic Interests Modeling in Personalized Recommendation.
Zhiyu He|Zhixin Ling|Jiayu Li|Zhiqiang Guo|Weizhi Ma|Xinchen Luo|Min Zhang|Guorui Zhou
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
CD-CDR: Conditional Diffusion-based Item Generation for Cross-Domain Recommendation.
Hanyu Li|Jiayu Li|Weizhi Ma|Peijie Sun|Haiyang Wu|Jingwen Wang|Yuekui Yang|Min Zhang|Shaoping Ma
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
Explainable Multi-Modality Alignment for Transferable Recommendation.
Shenghao Yang|Weizhi Ma|Zhiqiang Guo|Min Zhang|Haiyang Wu|Junjie Zhai|Chunhui Zhang|Yuekui Yang
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
doi dblp
PerSRV: Personalized Sticker Retrieval with Vision-Language Model.
Heng Er Metilda Chee|Jiayin Wang|Zhiqiang Guo|Weizhi Ma|Min Zhang
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
doi dblp
Beyond Utility: Evaluating LLM as Recommender.
Chumeng Jiang|Jiayin Wang|Weizhi Ma|Charles L. A. Clarke|Shuai Wang|Chuhan Wu|Min Zhang
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
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WWW 2025 Workshop Chairs' Welcome.
Piotr Koniusz|Weizhi Ma
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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SiTunes: A Situational Music Recommendation Dataset with Physiological and Psychological Signals.
Vadim Grigorev|Jiayu Li|Weizhi Ma|Zhiyu He|Min Zhang|Yiqun Liu|Ming Yan|Ji Zhang
Proceedings of the 2024 ACM SIGIR Conference on Human Information Interaction and Retrieval, CHIIR 2024, Sheffield, United Kingdom, March 10-14, 2024
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Aligning Explanations for Recommendation with Rating and Feature via Maximizing Mutual Information.
Yurou Zhao|Yiding Sun|Ruidong Han|Fei Jiang|Lu Guan|Xiang Li|Wei Lin|Weizhi Ma|Jiaxin Mao
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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Aiming at the Target: Filter Collaborative Information for Cross-Domain Recommendation.
Hanyu Li|Weizhi Ma|Peijie Sun|Jiayu Li|Cunxiang Yin|Yancheng He|Guoqiang Xu|Min Zhang|Shaoping Ma
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
MACRec: A Multi-Agent Collaboration Framework for Recommendation.
Zhefan Wang|Yuanqing Yu|Wendi Zheng|Weizhi Ma|Min Zhang
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 with Latent Relations based on Large Language Model.
Shenghao Yang|Weizhi Ma|Peijie Sun|Qingyao Ai|Yiqun Liu|Mingchen Cai|Min Zhang
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
EasyRL4Rec: An Easy-to-use Library for Reinforcement Learning Based Recommender Systems.
Yuanqing Yu|Chongming Gao|Jiawei Chen|Heng Tang|Yuefeng Sun|Qian Chen|Weizhi Ma|Min Zhang
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
Intersectional Two-sided Fairness in Recommendation.
Yifan Wang|Peijie Sun|Weizhi Ma|Min Zhang|Yuan Zhang|Peng Jiang|Shaoping Ma
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024

2023

doi dblp
Revisiting Negative Sampling vs. Non-sampling in Implicit Recommendation.
Chong Chen|Weizhi Ma|Min Zhang|Chenyang Wang|Yiqun Liu|Shaoping Ma
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 1
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Sequential Recommendation with Multiple Contrast Signals.
Chenyang Wang|Weizhi Ma|Chong Chen|Min Zhang|Yiqun Liu|Shaoping Ma
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 1
doi dblp
User Behavior Simulation for Search Result Re-ranking.
Junqi Zhang|Yiqun Liu|Jiaxin Mao|Weizhi Ma|Jiazheng Xu|Shaoping Ma|Qi Tian
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 1
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User Perception of Recommendation Explanation: Are Your Explanations What Users Need?
Hongyu Lu|Weizhi Ma|Yifan Wang|Min Zhang|Xiang Wang|Yiqun Liu|Tat-Seng Chua|Shaoping Ma
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 2
doi dblp
A Survey on the Fairness of Recommender Systems.
Yifan Wang|Weizhi Ma|Min Zhang|Yiqun Liu|Shaoping Ma
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 3
doi dblp
Intent-aware Ranking Ensemble for Personalized Recommendation.
Jiayu Li|Peijie Sun|Zhefan Wang|Weizhi Ma|Yangkun Li|Min Zhang|Zhoutian Feng|Daiyue Xue
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
Measuring Item Global Residual Value for Fair Recommendation.
Jiayin Wang|Weizhi Ma|Chumeng Jiang|Min Zhang|Yuan Zhang|Biao Li|Peng Jiang
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

doi dblp
LegalGNN: Legal Information Enhanced Graph Neural Network for Recommendation.
Jun Yang|Weizhi Ma|Min Zhang|Xin Zhou|Yiqun Liu|Shaoping Ma
ACM Transactions on Information Systems (TOIS) 2022 Volume 40 Issue 2
doi dblp
PEMP: Leveraging Physics Properties to Enhance Molecular Property Prediction.
Yuancheng Sun|Yimeng Chen|Weizhi Ma|Wenhao Huang|Kang Liu|Zhiming Ma|Wei-Ying Ma|Yanyan Lan
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Global and Local Feature Interaction with Vision Transformer for Few-shot Image Classification.
Mingze Sun|Weizhi Ma|Yang Liu
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Target Interest Distillation for Multi-Interest Recommendation.
Chenyang Wang|Zhefan Wang|Yankai Liu|Yang Ge|Weizhi Ma|Min Zhang|Yiqun Liu|Junlan Feng|Chao Deng|Shaoping Ma
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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A Cooperative Neural Information Retrieval Pipeline with Knowledge Enhanced Automatic Query Reformulation.
Xiangsheng Li|Jiaxin Mao|Weizhi Ma|Zhijing Wu|Yiqun Liu|Min Zhang|Shaoping Ma|Zhaowei Wang|Xiuqiang He
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

2021

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Toward Dynamic User Intention: Temporal Evolutionary Effects of Item Relations in Sequential Recommendation.
Chenyang Wang|Weizhi Ma|Min Zhang|Chong Chen|Yiqun Liu|Shaoping Ma
ACM Transactions on Information Systems (TOIS) 2021 Volume 39 Issue 2
doi dblp
A Hybrid Framework for Session Context Modeling.
Jia Chen|Jiaxin Mao|Yiqun Liu|Ziyi Ye|Weizhi Ma|Chao Wang|Min Zhang|Shaoping Ma
ACM Transactions on Information Systems (TOIS) 2021 Volume 39 Issue 3
doi dblp
Modelling Dynamic Item Complementarity with Graph Neural Network for Recommendation.
Yingwai Shiu|Weizhi Ma|Min Zhang|Yiqun Liu|Shaoping Ma
Information Retrieval - 27th China Conference, CCIR 2021, Dalian, China, October 29-31, 2021, Proceedings
doi dblp
Incorporating Query Reformulating Behavior into Web Search Evaluation.
Jia Chen|Yiqun Liu|Jiaxin Mao|Fan Zhang|Tetsuya Sakai|Weizhi Ma|Min Zhang|Shaoping Ma
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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WG4Rec: Modeling Textual Content with Word Graph for News Recommendation.
Shaoyun Shi|Weizhi Ma|Zhen Wang|Min Zhang|Kun Fang|Jingfang Xu|Yiqun Liu|Shaoping Ma
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
doi dblp
Privacy-Aware Remote Information Retrieval User Experiments Logging Tool.
Hanyu Li|Hongyu Lu|Songhao Huang|Weizhi Ma|Min Zhang|Yiqun Liu|Shaoping Ma
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Investigating Session Search Behavior with Knowledge Graphs.
Xiangsheng Li|Maarten de Rijke|Yiqun Liu|Jiaxin Mao|Weizhi Ma|Min Zhang|Shaoping Ma
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Standing in Your Shoes: External Assessments for Personalized Recommender Systems.
Hongyu Lu|Weizhi Ma|Min Zhang|Maarten de Rijke|Yiqun Liu|Shaoping Ma
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021
doi dblp
Temporal Cross-Effects in Knowledge Tracing.
Chenyang Wang|Weizhi Ma|Min Zhang|Chuancheng Lv|Fengyuan Wan|Huijie Lin|Taoran Tang|Yiqun Liu|Shaoping Ma
WSDM '21, The Fourteenth ACM International Conference on Web Search and Data Mining, Virtual Event, Israel, March 8-12, 2021
doi dblp
Topic-enhanced knowledge-aware retrieval model for diverse relevance estimation.
Xiangsheng Li|Jiaxin Mao|Weizhi Ma|Yiqun Liu|Min Zhang|Shaoping Ma|Zhaowei Wang|Xiuqiang He
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

doi dblp
Learning Better Representations for Neural Information Retrieval with Graph Information.
Xiangsheng Li|Maarten de Rijke|Yiqun Liu|Jiaxin Mao|Weizhi Ma|Min Zhang|Shaoping Ma
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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Neural Logic Reasoning.
Min Zhang|Walter Garcia|Shaoyun Shi|Yongfeng Zhang|Hanxiong Chen|Carlos Ordonez|Weizhi Ma|Jiaxin Mao|Walter Garcia|Min Zhang|Carlos Ordonez|Yongfeng Zhang
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
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THUIR at the NTCIR-15 Micro-activity Retrieval Task.
Jiayu Li|Ziyi Ye|Weizhi Ma|Min Zhang|Yiqun Liu|Shaoping Ma
Proceedings of the 15th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2020, Tokyo, Japan, December 8-11, 2020
doi dblp
Jointly Non-Sampling Learning for Knowledge Graph Enhanced Recommendation.
Chong Chen|Min Zhang|Weizhi Ma|Yiqun Liu|Shaoping Ma
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
Beyond User Embedding Matrix: Learning to Hash for Modeling Large-Scale Users in Recommendation.
Shaoyun Shi|Weizhi Ma|Min Zhang|Yongfeng Zhang|Xinxing Yu|Houzhi Shan|Yiqun Liu|Shaoping Ma
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
Make It a Chorus: Knowledge- and Time-aware Item Modeling for Sequential Recommendation.
Chenyang Wang|Min Zhang|Weizhi Ma|Yiqun Liu|Shaoping Ma
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
Cascade or Recency: Constructing Better Evaluation Metrics for Session Search.
Fan Zhang|Jiaxin Mao|Yiqun Liu|Weizhi Ma|Min Zhang|Shaoping Ma
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
Models Versus Satisfaction: Towards a Better Understanding of Evaluation Metrics.
Fan Zhang|Jiaxin Mao|Yiqun Liu|Xiaohui Xie|Weizhi Ma|Min Zhang|Shaoping Ma
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
Efficient Non-Sampling Factorization Machines for Optimal Context-Aware Recommendation.
Chong Chen|Min Zhang|Weizhi Ma|Yiqun Liu|Shaoping Ma
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

doi dblp
An Efficient Adaptive Transfer Neural Network for Social-aware Recommendation.
Chong Chen|Min Zhang|Chenyang Wang|Weizhi Ma|Minming Li|Yiqun Liu|Shaoping Ma
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.
doi dblp
Effects of User Negative Experience in Mobile News Streaming.
Hongyu Lu|Min Zhang|Weizhi Ma|Ce Wang|Feng Xia|Yiqun Liu|Leyu Lin|Shaoping Ma
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.
doi dblp
Quality Effects on User Preferences and Behaviorsin Mobile News Streaming.
Hongyu Lu|Min Zhang|Weizhi Ma|Yunqiu Shao|Yiqun Liu|Shaoping Ma
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019
doi dblp
Jointly Learning Explainable Rules for Recommendation with Knowledge Graph.
Weizhi Ma|Min Zhang|Yue Cao|Woojeong Jin|Chenyang Wang|Yiqun Liu|Shaoping Ma|Xiang Ren
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019
doi dblp
Modeling Item-Specific Temporal Dynamics of Repeat Consumption for Recommender Systems.
Chenyang Wang|Min Zhang|Weizhi Ma|Yiqun Liu|Shaoping Ma
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2017

doi dblp
A Two-step Information Accumulation Strategy for Learning from Highly Imbalanced Data.
Bin Liu|Min Zhang|Weizhi Ma|Xin Li|Yiqun Liu|Shaoping Ma
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017