Chaozhuo Li

2026

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Push and Pull: Defending against Retrieval Poisoning Attacks via Embedding Space Reshaping.
Longzhu He|Xiyu Zhang|Quan Liu|Chaozhuo Li|Zheng Liu|Pengpeng Zhou|Sen Su
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 4
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A multi-expert adaptive framework for test-time personalization in federated learning.
Sanchuan Guo|Zongyi Chen|Chaozhuo Li|Yichi Zhang|Xi Zhang
Information Processing and Management 2026 Volume 63 Issue 8

2025

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Advancing Session-Based Recommendations with Atten-Mixer+: Dynamic and Adaptive Multi-Level Intent Mining.
Peiyan Zhang|Jiayan Guo|Chaozhuo Li|Liying Kang|Jaeboum Kim|Jie Xu|Xi Zhang|Yan Zhang|Haohan Wang|Sunghun Kim
ACM Transactions on Intelligent Systems and Technology (TIST) 2025 Volume 16 Issue 5
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Causal Structure Representation Learning of Unobserved Confounders in Latent Space for Recommendation.
Hangtong Xu|Yuanbo Xu|Chaozhuo Li|Fuzhen Zhuang
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 6
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LLMCBR: Large Language Model-based Multi-View and Multi-Grained Learning for Bundle Recommendation.
Shiqin Liu|Chaozhuo Li|Minjun Zhao|Litian Zhang|Jiajun Bu
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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MoKGNN: Boosting Graph Neural Networks via Mixture of Generic and Task-Specific Language Models.
Hao Yan|Chaozhuo Li|Jun Yin|Weihao Han|Hao Sun|Senzhang Wang|Jian Zhang|Jianxin Wang
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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Lighter And Better: Towards Flexible Context Adaptation For Retrieval Augmented Generation.
Chenyuan Wu|Ninglu Shao|Zheng Liu|Shitao Xiao|Chaozhuo Li|Chen Zhang|Senzhang Wang|Defu Lian
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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Unleash LLMs Potential for Sequential Recommendation by Coordinating Dual Dynamic Index Mechanism.
Jun Yin|Zhengxin Zeng|Mingzheng Li|Hao Yan|Chaozhuo Li|Weihao Han|Jianjin Zhang|Ruochen Liu|Hao Sun|Weiwei Deng|Feng Sun|Qi Zhang|Shirui Pan|Senzhang Wang
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
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Fitting Into Any Shape: A Flexible LLM-Based Re-Ranker With Configurable Depth and Width.
Zheng Liu|Chaofan Li|Shitao Xiao|Chaozhuo Li|Chen Jason Zhang|Hao Liao|Defu Lian|Yingxia Shao
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
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ModalSync: Synchronizing User Behavior with Multimodal Features for Multimodal Pre-training Recommendation.
Shiqin Liu|Chaozhuo Li|Minjun Zhao|Litian Zhang|Jiajun Bu
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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TriMLP: A Foundational MLP-Like Architecture for Sequential Recommendation.
Yiheng Jiang|Yuanbo Xu|Yongjian Yang|Funing Yang|Pengyang Wang|Chaozhuo Li|Fuzhen Zhuang|Hui Xiong
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 6
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TransGNN: Harnessing the Collaborative Power of Transformers and Graph Neural Networks for Recommender Systems.
Peiyan Zhang|Yuchen Yan|Xi Zhang|Chaozhuo Li|Senzhang Wang|Feiran Huang|Sunghun Kim
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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GPT4Rec: Graph Prompt Tuning for Streaming Recommendation.
Peiyan Zhang|Yuchen Yan|Xi Zhang|Liying Kang|Chaozhuo Li|Feiran Huang|Senzhang Wang|Sunghun Kim
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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High-Frequency-aware Hierarchical Contrastive Selective Coding for Representation Learning on Text Attributed Graphs.
Peiyan Zhang|Chaozhuo Li|Liying Kang|Feiran Huang|Senzhang Wang|Xing Xie|Sunghun Kim
Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, May 13-17, 2024
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Information Retrieval Meets Large Language Models.
Zheng Liu|Yujia Zhou|Yutao Zhu|Jianxun Lian|Chaozhuo Li|Zhicheng Dou|Defu Lian|Jian-Yun Nie
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

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An Adaptive Graph Pre-training Framework for Localized Collaborative Filtering.
Yiqi Wang|Chaozhuo Li|Zheng Liu|Mingzheng Li|Jiliang Tang|Xing Xie|Lei Chen|Philip S. Yu
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 2
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Geometry Interaction Augmented Graph Collaborative Filtering.
Jie Xu|Chaozhuo Li
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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AdaMCT: Adaptive Mixture of CNN-Transformer for Sequential Recommendation.
Juyong Jiang|Peiyan Zhang|Yingtao Luo|Chaozhuo Li|Jae Boum Kim|Kai Zhang|Senzhang Wang|Xing Xie|Sunghun Kim
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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Multi-Grained Topological Pre-Training of Language Models in Sponsored Search.
Zhoujin Tian|Chaozhuo Li|Zhiqiang Zuo|Zengxuan Wen|Xinyue Hu|Xiao Han|Haizhen Huang|Senzhang Wang|Weiwei Deng|Xing Xie|Qi 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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Continual Learning on Dynamic Graphs via Parameter Isolation.
Peiyan Zhang|Yuchen Yan|Chaozhuo Li|Senzhang Wang|Xing Xie|Guojie Song|Sunghun Kim
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 the Overlapping Users: Cross-Domain Recommendation via Adaptive Anchor Link Learning.
Yi Zhao|Chaozhuo Li|Jiquan Peng|Xiaohan Fang|Feiran Huang|Senzhang Wang|Xing Xie|Jibing Gong
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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Efficiently Leveraging Multi-level User Intent for Session-based Recommendation via Atten-Mixer Network.
Peiyan Zhang|Jiayan Guo|Chaozhuo Li|Yueqi Xie|Jaeboum Kim|Yan Zhang|Xing Xie|Haohan Wang|Sunghun Kim
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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xGCN: An Extreme Graph Convolutional Network for Large-scale Social Link Prediction.
Xiran Song|Jianxun Lian|Hong Huang|Zihan Luo|Wei Zhou|Xue Lin|Mingqi Wu|Chaozhuo Li|Xing Xie|Hai Jin
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Evolutionary Preference Learning via Graph Nested GRU ODE for Session-based Recommendation.
Jiayan Guo|Peiyan Zhang|Chaozhuo Li|Xing Xie|Yan Zhang|Sunghun Kim
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Ada-Ranker: A Data Distribution Adaptive Ranking Paradigm for Sequential Recommendation.
Xinyan Fan|Jianxun Lian|Wayne Xin Zhao|Zheng Liu|Chaozhuo Li|Xing Xie
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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Geometric Disentangled Collaborative Filtering.
Yiding Zhang|Chaozhuo Li|Xing Xie|Xiao Wang|Chuan Shi|Yuming Liu|Hao Sun|Liangjie Zhang|Weiwei Deng|Qi 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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Progressively Optimized Bi-Granular Document Representation for Scalable Embedding Based Retrieval.
Shitao Xiao|Zheng Liu|Weihao Han|Jianjin Zhang|Yingxia Shao|Defu Lian|Chaozhuo Li|Hao Sun|Denvy Deng|Liangjie Zhang|Qi Zhang|Xing Xie
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

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Hubness-aware User Identity Linkage.
Chaozhuo Li|Senzhang Wang|Feiran Huang|Jie Xu|Philip S. Yu
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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AdsGNN: Behavior-Graph Augmented Relevance Modeling in Sponsored Search.
Chaozhuo Li|Bochen Pang|Yuming Liu|Hao Sun|Zheng Liu|Xing Xie|Tianqi Yang|Yanling Cui|Liangjie Zhang|Qi Zhang
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2019

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Partially Shared Adversarial Learning For Semi-supervised Multi-platform User Identity Linkage.
Chaozhuo Li|Senzhang Wang|Hao Wang|Yanbo Liang|Philip S. Yu|Zhoujun Li|Wei Wang
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.
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Multi-Hot Compact Network Embedding.
Chaozhuo Li|Lei Zheng|Senzhang Wang|Feiran Huang|Philip S. Yu|Zhoujun Li
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019.
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Deep Distribution Network: Addressing the Data Sparsity Issue for Top-N Recommendation.
Philip S. Yu|Bhavana Bharat Dalvi|Lei Zheng|Chaozhuo Li|Chun-Ta Lu|Jiawei Zhang|Philip S. Yu|Bhavana Bharat Dalvi
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019.

2018

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Optimizing Generalized Linear Models with Billions of Variables.
Yanbo Liang|Yongyang Yu|MingJie Tang|Chaozhuo Li|Weiqing Yang|Weichen Xu|Ruifeng Zheng
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
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Distribution Distance Minimization for Unsupervised User Identity Linkage.
Chaozhuo Li|Senzhang Wang|Philip S. Yu|Lei Zheng|Xiaoming Zhang|Zhoujun Li|Yanbo Liang
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018
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Multimodal Network Embedding via Attention based Multi-view Variational Autoencoder.
Feiran Huang|Xiaoming Zhang|Chaozhuo Li|Zhoujun Li|Yueying He|Zhonghua Zhao
Proceedings of the 2018 ACM on International Conference on Multimedia Retrieval, ICMR 2018, Yokohama, Japan, June 11-14, 2018

2017

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From Properties to Links: Deep Network Embedding on Incomplete Graphs.
Dejian Yang|Senzhang Wang|Chaozhuo Li|Xiaoming Zhang|Zhoujun Li
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017