Chong Chen

2025

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Structure-Aware Conversational Legal Case Retrieval.
Bulou Liu|Yiran Hu|Qingyao Ai|Yueyue Wu|Yiqun Liu|Chenliang Li|Fan Zhang|Weixing Shen|Chong Chen|Qi Tian
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 3
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PanguIR Technical Report for NTCIR-18 AEOLLM Task.
Lang Mei|Chong Chen|Jiaxin Mao
Proceedings of the 18th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2025, Tokyo, Japan, June 10-13, 2025
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Bridge the Domains: Large Language Models Enhanced Cross-domain Sequential Recommendation.
Qidong Liu|Xiangyu Zhao|Yejing Wang|Zijian Zhang|Howard Zhong|Chong Chen|Xiang Li|Wei Huang|Feng Tian
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
Distributionally Robust Optimization for Unbiased Learning to Rank.
Zechun Niu|Lang Mei|Chong Chen|Jiaxin Mao
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
MRAMG-Bench: A Comprehensive Benchmark for Advancing Multimodal Retrieval-Augmented Multimodal Generation.
Qinhan Yu|Zhiyou Xiao|Binghui Li|Zhengren Wang|Chong Chen|Wentao Zhang
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 CTR Prediction via LLM Reasoning.
Xiaohan Yu|Li Zhang|Chong Chen
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025

2024

doi dblp
Preliminary Study on Incremental Learning for Large Language Model-based Recommender Systems.
Tianhao Shi|Yang Zhang|Zhijian Xu|Chong Chen|Fuli Feng|Xiangnan He|Qi Tian
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
Mamba Retriever: Utilizing Mamba for Effective and Efficient Dense Retrieval.
Hanqi Zhang|Chong Chen|Lang Mei|Qi Liu|Jiaxin Mao
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024
doi dblp
OpenSiteRec: An Open Dataset for Site Recommendation.
Xinhang Li|Xiangyu Zhao|Yejing Wang|Yu Liu|Chong Chen|Cheng Long|Yong Zhang|Chunxiao Xing
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

2023

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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
SAILER: Structure-aware Pre-trained Language Model for Legal Case Retrieval.
Haitao Li|Qingyao Ai|Jia Chen|Qian Dong|Yueyue Wu|Yiqun Liu|Chong Chen|Qi Tian
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
Session Search with Pre-trained Graph Classification Model.
Shengjie Ma|Chong Chen|Jiaxin Mao|Qi Tian|Xuhui 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
Recommendation Unlearning.
Chong Chen|Fei Sun|Min Zhang|Bolin Ding
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

doi dblp
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
Efficient Non-Sampling Knowledge Graph Embedding.
Zelong Li|Jianchao Ji|Zuohui Fu|Yingqiang Ge|Shuyuan Xu|Chong Chen|Yongfeng Zhang
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

doi dblp
Efficient Neural Matrix Factorization without Sampling for Recommendation.
Chong Chen|Min Zhang|Yongfeng Zhang|Yiqun Liu|Shaoping Ma
ACM Transactions on Information Systems (TOIS) 2020 Volume 38 Issue 2
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
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

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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
Social Attentional Memory Network: Modeling Aspect- and Friend-Level Differences in Recommendation.
Chong Chen|Min Zhang|Yiqun Liu|Shaoping Ma
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

2018

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Missing Data Modeling with User Activity and Item Popularity in Recommendation.
Chong Chen|Min Zhang|Yiqun Liu|Shaoping Ma
Information Retrieval Technology - 14th Asia Information Retrieval Societies Conference, AIRS 2018, Taipei, Taiwan, November 28-30, 2018, Proceedings
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Neural Attentional Rating Regression with Review-level Explanations.
Chong Chen|Min Zhang|Yiqun Liu|Shaoping Ma
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018