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个人简介

毛佳昕于2013年和2018年获得清华大学学士和博士学位。博士毕业后曾在清华大学担任博士后研究员,于2020年加入中国人民大学,任助理教授。其主要研究方向为信息检索、网络搜索、搜索用户行为分析和机器学习。曾在SIGIR、TOIS、WWW、WSDM、CIKM、IJCAI、ECIR等信息检索领域顶级会议和期刊发表论文30余篇。曾获得SIGIR 2020最佳论文提名奖、计算机学报五年最佳论文奖(2014-2018)、ICTIR 2019最佳短文提名奖和SIGIR 2018最佳短文提名奖。 毛佳昕现担任ACM SIGIR学生事务联合主席(Student Affairs co-Chair)、中国中文信息学会信息检索专委会通讯委员等职务。他还曾担任SIGIR、WWW、WSDM、AAAI、CIKM等会议的程序委员会委员,以及TOIS、TKDE、JASIST等杂志的审稿人。 工作经历 2020-至今 中国人民大学高瓴人工智能学院 助理教授 2018-2020 清华大学计算机科学与技术系博士后研究员 教育经历 2013-2018 清华大学计算机科学与技术系博士 2009-2013 清华大学计算机科学与技术系 本科 曾获荣誉与奖项: SIGIR 2020 最佳论文提名奖. 计算机学报五年优秀论文奖(2014-2018). ICTIR 2019最佳短文提名奖. 2018中国中文信息学会优秀博士学位论文奖. SIGIR 2018最佳短文提名奖.

研究领域

信息检索、网络搜索、搜索用户行为分析和机器学习。

近期论文

查看导师新发文章 (温馨提示:请注意重名现象,建议点开原文通过作者单位确认)

(一)In 2020: 1、Fan Zhang, Jiaxin Mao, Yiqun Liu, Weizhi Ma, Min Zhang, and Shaoping Ma. Cascade or Recency: Constructing Better Evaluation Metrics for Session Search. the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. (SIGIR 2020). 2、Fan Zhang, Jiaxin Mao, Yiqun Liu, Xiaohui Xie, Weizhi Ma, Min Zhang, and Shaoping Ma. Models Versus Satisfaction: Towards a Better Understanding of Evaluation Metrics. the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. (SIGIR 2020) (Best Paper Honorable Mention). 3、Xiaohui Xie, Jiaxin Mao, Yiqun Liu, Maarten de Rijke, Haitian Chen, Min Zhang, and Shaoping Ma. Preference-based Evaluation Metrics for Web Image Search. the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. (SIGIR 2020). 4、Zhijing Wu, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Investigating Reading Behavior in Fine-grained Relevance Judgment. the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Short Paper. (SIGIR 2020). 5、Jingtao Zhan, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. An Analysis of BERT in Document Ranking. the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. Short Paper. (SIGIR 2020). 6、Yunqiu Shao, Jiaxin Mao, Yiqun Liu, Weizhi Ma, Ken Satoh, Min Zhang, and Shaoping Ma. BERT-PLI: Modeling Paragraph-Level Interactions for Legal Case Retrieval. to appear in the 29th International Joint Conference on Artificial Intelligence and the 17th Pacific Rim International Conference on Artificial Intelligence. (IJCAI-PRICAI 2020). 7、Yiqun Liu, Jiaxin Mao."Revisiting information retrieval tasks with user behavior models" by Yiqun Liu and Jiaxin Mao with Martin Vesely as coordinator. ACM SIGWEB Newsletter. 8、Zhijing Wu, Jiaxin Mao, Yiqun Liu, Jingtao Zhan, Yukun Zheng, Min Zhang, and Shaoping Ma. Leveraging Passage-level Cumulative Gain for Document Ranking. to appear in the Web Conference 2020 (WWW 2020). 9、Jia Chen, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. A Context-Aware Click Model for Web Search. The 13th International Conference on Web Search and Data Mining (WSDM 2020). 10、Yukun Zheng, Yiqun Liu, Jiaxin Mao, Mark Sanderson, Min Zhang, and Shaoping Ma. Investigating Examination Behavior in Mobile Search. The 13th International Conference on Web Search and Data Mining (WSDM 2020). (二)In 2019: 1、Jiaxin Mao, Damiano Spina, Sargol Sadeghi, Falk Scholer, and Mark Sanderson. Investigating the Learning Process in Job Search: A Longitudinal Study. The 28th ACM International Conference on Information and Knowledge Management (CIKM 2019). 2、Jiaxin Mao, Zhumin Chu, Yiqun Liu, Min Zhang, and Shaoping Ma. Investigating the Reliability of Click Models. The 5th ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR 2019) (Best Short Paper Honorable Mention). 3、Yukun Zheng, Jiaxin Mao, Yiqun Liu, Cheng Luo, Min Zhang, and Shaoping Ma. 2019. Constructing Click Model for Mobile Search with Viewport Time. ACM Transactions on Information Systems (TOIS). Volume 37 Issue 4. 4、Junqi Zhang, Jiaxin Mao, Yiqun Liu, Ruizhe Zhang, Min Zhang, Shaoping Ma, Jun Xu, and Qi Tian. Context-Aware Ranking by Constructing a Virtual Environment for Reinforcement Learning. The 28th ACM International Conference on Information and Knowledge Management. (CIKM 2019). 5、Xiaohui Xie, Jiaxin Mao, Yiqun Liu, Maarten de Rijke, Qingyao Ai, Yufei Huang, Min Zhang, and Shaoping Ma. Improving Web Image Search with Contextual Information. The 28th ACM International Conference on Information and Knowledge Management. (CIKM 2019). 6、Jia Chen, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Sogou-ST: A New Dataset with Large-scale Refined Real-world Web Search Sessions. The 28th ACM International Conference on Information and Knowledge Management. (CIKM 2019). 7、Yiqun Liu, Junqi Zhang, Jiaxin Mao, Min Zhang, Shaoping Ma, Qi Tian, Yanxiong Lu, Leyu Lin. Search Result Reranking with Visual and Structure Information Sources. ACM Transactions on Information Systems (TOIS). Volume 37 Issue 3. 8、Mengyang Liu, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Investigating Cognitive Effects in Session-level Search User Satisfaction. The 25th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2019). 9、Xiangsheng Li, Jiaxin Mao, Chao Wang, Yiqun Liu, Min Zhang, and Shaoping Ma. Teach Machine How to Read: Reading Behavior Inspired Relevance Estimation. The 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019). 10、Yukun Zheng, Jiaxin Mao, Yiqun Liu, Zixin Ye, Min Zhang, and Shaoping Ma. Human Behavior Inspired Machine Reading Comprehension. The 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019). 11、Zhijing Wu, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Investigating Passage-level Relevance and Its Role in Document-level Relevance Judgment. The 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019). 12、Yunqiu Shao, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Towards Context-Aware Evaluation for Image Search. The 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2019). 13、Xiaohui Xie, Jiaxin Mao, Yiqun Liu, Maarten de Rijke, Yunqiu Shao, Zixin Ye. Grid-based Evaluation Metrics for Web Image Search. The Web Conference 2019 (WWW 2019). (三)In 2018: 1、Jiaxin Mao, Yiqun Liu, Noriko Kando, Min Zhang, and Shaoping Ma. How does Domain Expertise Affect User's Search Interaction and Outcome in Exploratory Search? ACM Transactions on Information Systems (TOIS). 2、Jiaxin Mao, Cheng Luo, Min Zhang, and Shaoping Ma. Constructing Click Models for Mobile Search. The 41st International ACM SIGIR Conference on Research and Development in Information Retrieval. Full paper. (SIGIR 2018). 3、Xiaohui Xie, Jiaxin Mao, Maarten de Rijke, Ruizhe Zhang, Min Zhang, and Shaoping Ma. Constructing an Interaction Behavior Model for Web Image Search. The 41st International ACM SIGIR Conference on Research and Development in Information Retrieval. (SIGIR 2018). 4、Mengyang Liu, Yiqun Liu, Jiaxin Mao, Cheng Luo, and Shaoping Ma. Towards Designing Better Session Search Evaluation Metrics. The 41st International ACM SIGIR Conference on Research and Development in Information Retrieval.(SIGIR 2018) (Best Short Paper Honorable Mention). 5、Jiaxin Mao, Yiqun Liu, Noriko Kando, Zexue He, Min Zhang, and Shaoping Ma. A Two-Stage Model for User’s Examination Behavior in Mobile Search. The third ACM SIGIR Conference on Human Information Interaction and Retrieval (CHIIR 2018) 6、Jiaxin Mao, Yiqun Liu, Noriko Kando, Cheng Luo, Min Zhang, Shaoping Ma. Investigating Result Usefulness in Mobile Search. The 40th European Conference on Information Retrieval (ECIR 2018) 7、Mengyang Liu, Yiqun Liu, Jiaxin Mao, Cheng Luo, Min Zhang, and Shaoping Ma. "Satisfaction with Failure" or "Unsatisfied Success": Investigating the Relationship between Search Success and User Satisfaction. The Web Conference 2018 (WWW 2018). 8、Xiangsheng Li, Yiqun Liu, Jiaxin Mao, Zexue He, Min Zhang, Shaoping Ma. Understanding Reading Attention Distribution during Relevance Judgement. The 27th ACM International Conference on Information and Knowledge Management (CIKM 2018). 9、Jia Chen, Yiqun Liu, Cheng Luo, Jiaxin Mao, Min Zhang, and Shaoping Ma. Improving Session Search Performance with a Multi-MDP Model. The fourteenth Asia Information Retrieval Societies Conference (AIRS 2018). (四)In 2017: 1、Jiaxin Mao, Yiqun Liu, Huanbo Luan, Min Zhang, and Shaoping Ma. Understanding and Predicting Usefulness Judgment in Web Search. The 40th ACM SIGIR International Conference on Research on Development in Information Retrieval (SIGIR2017). 2、Cheng Luo, Yukun Zheng, Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Training Deep Ranking Model with Weak Relevance Labels. 2017 Australasian Database Conference (ADC 2017). (五)In 2016: 1、Jiaxin Mao, Yiqun Liu, Ke Zhou, Jian-Yun Nie, Min Zhang, and Shaoping Ma. When does Relevance Mean Usefulness and User Satisfaction in Web Search? The 39th ACM SIGIR International Conference on Research on Development in Information Retrieval (SIGIR2016). 2、Zeyang Liu, Jiaxin Mao, Chao Wang, Qingyao Ai, Yiqun Liu, Jian-Yun Nie. Enhancing click models with mouse movement information. Information Retrieval Journal, 20(1), 53-80. 3、Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. How does Domain Expertise Affect Users' Search Processes in Exploratory Searches? Search As Learning 2016 workshop, co-located with ACM SIGIR 2016 (SAL2016). (六)2015 and before: 1、Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Estimating Credibility of User Clicks with Mouse Movement and Eye-tracking Information. The 3rd CCF Conference on Natural Language Processing & Chinese Computing (NLPCC2014). 2、Jiaxin Mao, Yiqun Liu, Min Zhang, and Shaoping Ma. Social Influence Analysis for Microblog User based on User Behavior. Chinese Journal of Computer. 37(4):1-10, 2014 (in Chinese) (the Chinese Journal of Computers Best Paper Award 2014-2018).

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