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服务平台首页>协同创新>专家库>专家详情

刘奕群(教授)

所属单位:清华大学信息科学技术学院

担任职务:

擅长领域:

联系方式:010-62796672 邮箱:登录后查看

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.

主要成就

[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).