姓名:刘奕群

职称:副教授

电话:010-62796672

电子邮件:yiqunliu@tsinghua.edu.cn

URL: http://www.thuir.cn/group/~yqliu

 

教育背景

工学学士 (计算机科学与技术), 清华大学, 中国, 2003;

工学博士 (计算机科学与技术), 清华大学, 中国, 2007.

工作履历

2007.7-2012.12 清华大学计算机系助理研究员   

2011.7-   新加坡国立大学计算机学院访问副教授

2012.12-2016.12 清华大学计算机系副教授

2017.1- 清华大学计算机系长聘副教授

2017.3- 日本国立情报学研究所访问副教授

社会兼职

2003.8-2004.12 清华大学计算机系2003级本科生辅导员

2003.8-2005.8 清华大学计算机系首届国防定向班计36班辅导员

2004.12-2006.8 清华大学计算机系团委书记

2005.9-2006.2 清华大学校党委学生部辅导员,清华大学学生TMS协会会长

2006.9-2011.11 清华大学计算机系党委委员、学生工作组组长

2012.12-2014.11 清华大学计算机系党委副书记(分管学生工作)

2014.11-2018.1 清华大学计算机系党委副书记(分管教工工作)  

2018.1-今 清华大学计算机系党委书记

2018.2 清华大学党委组织部副部长(挂职)

研究领域

网络信息检索, 网络用户行为分析, 自然语言处理

研究概况

主要研究领域集中在信息检索、互联网搜索技术以及自然语言处理研究方面。他是信息检索领域知名期刊Foundations and Trends in IR创刊以来首位来自亚洲国家的主编,也先后受邀担任信息检索领域重要会议ACM SIGIR 2018、ICTIR2020、NTCIR-13/14程序委员会主席等学术职务。先后获得北京市科学技术一等奖、钱伟长中文信息处理青年创新一等奖、CIKM2018最佳论文奖、SIGIR2017最佳学生论文奖、AIRS2018最佳论文奖等学术奖励。并作为项目负责人获得国家重点研发计划、国家自然科学基金委优秀青年基金、重点基金支持。目前兼任中国人工智能学会理事、知识工程与分布智能系统专委会副主任、中国中文信息学会理事、信息检索与内容安全专委会副主任、ACM/IEEE senior member、中国计算机学会杰出会员。

研究课题                                                                                                                                                                       

国家自然科学基金重点课题: 下一代信息检索 (2008-2011);

国家自然科学基金青年基金课题: 基于网络用户行为分析的垃圾网页识别方法研究(2010-2012);

“清华—搜狐”搜索技术联合实验室合作课题: 搜索引擎日志分析、输入法日志分析、用户查询推荐、用户浏览推荐、垃圾页面识别、学术共享资源建设等 (2010-2012);

国家重点研发计划项目,智能司法公开关键技术研究(2019-2021).

奖励与荣誉

清华大学优秀共产党员 (2003);

清华大学综合优秀一等奖学金(2004, 2005, 2006);

清华大学“一二·九”辅导员奖(2005);

清华大学“林枫”优秀辅导员奖 (2008);

“钱伟长中文信息处理科学技术奖”青年创新奖一等奖(2010);

清华大学优秀党建与思想政治工作者(2011);

清华大学优秀教材一等奖(第一完成人)(2012);

清华大学教学成果一等奖(思想政治类,第二完成人)(2012);

清华大学青年教师教学比赛一等奖 (2013);

亚洲信息检索会议(AIRS)最佳论文提名奖,最佳海报论文奖 (2013);

ACM信息检索会议(SIGIR)最佳论文提名奖(2015);

北京市科学技术一等奖(技术发明类,第一完成人)(2015);

清华大学“刘冰”优秀辅导员奖(2015);

清华大学学术新人奖(2016);

国家自然科学基金优秀青年基金(2016);

ACM信息检索会议(SIGIR)最佳学生论文奖(2017);

ACM CIKM2018会议最佳论文奖(Best Overall Paper);

亚洲信息检索会议AIRS2018最佳论文奖.

学术成果

[1] Yunqiu Shao, Yiqun Liu, Fan Zhang, Min Zhang and Shaoping Ma. On Annotation Methodologies for Image Search Evaluation. ACM Transactions on Information Systems (TOIS).

[2] Xiaohui Xie, Jiaxin Mao, Yiqun Liu, Maarten de Rijke, Yunqiu Shao, Zixin Ye, Min Zhang and Shaoping Ma. Grid-based Evaluation Metrics for Web Image Search. The Web Conference 2019 (WWW2019).

[3] Jiaxin Mao, Yiqun Liu, Noriko Kando, Min Zhang, Shaoping Ma. How does Domain Expertise Affect User’s Search Interaction and Outcome in Exploratory Search? Accepted by ACM Transactions on Information Systems (TOIS).

[4] Junqi Zhang, Yiqun Liu, Shaoping Ma, Qi Tian. Relevance Estimation with Multiple Information Sources on Search Engine Result Pages. The 27th ACM International Conference on Information and Knowledge Management (CIKM2018)

[5] 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 (CIKM2018).

[6] 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 (WWW2018).

[7] Ning Su, Yiqun Liu, Zhao Li, Yuli Liu, Min Zhang and Shaoping Ma. Detecting Crowdturfing "Add to Favorites" Activities in Online Shopping. The Web Conference 2018 (WWW2018).

[8] Fuli Feng, Xiangnan He, Yiqun Liu, Liqiang Nie and Tat-Seng Chua. Learning on Partial-Order Hypergraphs. The Web Conference 2018 (WWW2018).

[9] Chong Chen, Min Zhang, Yiqun Liu and Shaoping Ma. Neural Attentional Rating Regression with Review-level Explanations. The Web Conference 2018 (WWW2018).

[10] Ye Chen, Yiqun Liu, Min Zhang and Shaoping Ma. User Satisfaction Prediction with Mouse Movement Information in Heterogeneous Search Environment. IEEE Transactions on Knowledge and Data Engineering. (TKDE)

[11] Yiqun Liu, Yi Chang and Jian-yun Nie. Constructing click models for search users. Information Retrieval Journal (IRJ). DOI: 10.1007/s10791-017-9294-x.

[12] Yuli Liu, Yiqun Liu, Ke Zhou, Min Zhang and Shaoping Ma. Detecting Collusive Spamming Activities in Community Question Answering. The 26th International World Wide Web Conference (WWW2017).

[13] Fan Zhang, Yiqun Liu, Xin Li, Min Zhang, Yinghui Xu and Shaoping Ma. Evaluating Web Search with a Bejeweled Player Model. The 39th ACM SIGIR International Conference on Research and Development in Information Retrieval (SIGIR2017 Best Student Paper Award).

[14] Cheng Luo, Yiqun Liu, Tetsuya Sakai, Fan Zhang, Min Zhang and Shaoping Ma. Evaluating Mobile Search with Height-Biased Gain. The 39th ACM SIGIR International Conference on Research and Development in Information Retrieval (SIGIR2017).

[15] Ye Chen, Ke Zhou, Yiqun Liu, Min Zhang and Shaoping Ma. Meta-evaluation of Online and Offline Web Search Evaluation Metrics. The 39th ACM SIGIR International Conference on Research and Development in Information Retrieval (SIGIR2017).

[16] Xiaohui Xie, Yiqun Liu, Xiaochuan Wang, Meng Wang, Zhijing Wu, Yingying Wu, Min Zhang and Shaoping Ma. Investigating Examination Behavior of Image Search Users. The 39th ACM SIGIR International Conference on Research and Development in Information Retrieval (SIGIR2017).

[17] Jiaxin Mao, Yiqun Liu, Huanbo Luan, Min Zhang and Shaoping Ma. Understanding and Predicting Usefulness Judgment in Web Search. (Short paper). The 39th ACM SIGIR International Conference on Research and Development in Information Retrieval (SIGIR2017).

[18] Cheng Luo, Yukun Zheng, Yiqun Liu, Xiaochuan Wang, Jingfang Xu, Min Zhang and Shaoping Ma. SogouT-16: A New Web Corpus to Embrace IR Research. (Short paper). The 39th ACM SIGIR International Conference on Research and Development in Information Retrieval (SIGIR2017).