Hongjin Qian

2025

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A Survey of Conversational Search.
Fengran Mo|Kelong Mao|Ziliang Zhao|Hongjin Qian|Haonan Chen|Yiruo Cheng|Xiaoxi Li|Yutao Zhu|Zhicheng Dou|Jian-Yun Nie
ACM Transactions on Information Systems (TOIS) 2025 Volume 43 Issue 6
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Evolving Graph-Based Context Modeling for Multi-Turn Conversational Retrieval-Augmented Generation.
Yiruo Cheng|Hongjin Qian|Fengran Mo|Yongkang Wu|Zhonghua Li|Qi Ye|Ji-Rong Wen|Zhicheng Dou
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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MemoRAG: Boosting Long Context Processing with Global Memory-Enhanced Retrieval Augmentation.
Hongjin Qian|Zheng Liu|Peitian Zhang|Kelong Mao|Defu Lian|Zhicheng Dou|Tiejun Huang
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2023

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Topic-Enhanced Personalized Retrieval-Based Chatbot.
Hongjin Qian|Zhicheng Dou
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part II
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Learning Denoised and Interpretable Session Representation for Conversational Search.
Kelong Mao|Hongjin Qian|Fengran Mo|Zhicheng Dou|Bang Liu|Xiaohua Cheng|Zhao Cao
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Webformer: Pre-training with Web Pages for Information Retrieval.
Yu Guo|Zhengyi Ma|Jiaxin Mao|Hongjin Qian|Xinyu Zhang|Hao Jiang|Zhao Cao|Zhicheng Dou
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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Curriculum Contrastive Context Denoising for Few-shot Conversational Dense Retrieval.
Kelong Mao|Zhicheng Dou|Hongjin Qian
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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Learning Implicit User Profile for Personalized Retrieval-Based Chatbot.
Hongjin Qian|Zhicheng Dou|Yutao Zhu|Yueyuan Ma|Ji-Rong Wen
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021
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Pchatbot: A Large-Scale Dataset for Personalized Chatbot.
Hongjin Qian|Xiaohe Li|Hanxun Zhong|Yu Guo|Yueyuan Ma|Yutao Zhu|Zhanliang Liu|Zhicheng Dou|Ji-Rong Wen
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021