I am now a fifth year Ph.D. student in THUIR group, Department of Computer Science and Technology in Tsinghua University, Beijing, China. My supervisor is Prof. Zhang Min and Prof. Shaoping Ma. My major research interests are in Recommender System Evaluation, User Satisfaction and User Behavior Model.

Publications

• Hongyu Lu, Weizhi Ma, Min Zhang, Maarten de Rijke, Yiqun Liu and Shaoping Ma. Standing in Your Shoes: External Assessments for Personalized Recommender Systems[C]. The 44th International ACM SIGIRConference on Research and Development in Information Retrieval (SIGIR 2021). Full Paper.
• Hanyu Li, Hongyu Lu, Songhao Hunag, Weizhi Ma, Min Zhang, Yiqun Liu and Shaoping Ma. Privacy-Aware Remote Information Retrieval User Experiments Logging Tool[C]. The 44th International ACM SIGIRConference on Research and Development in Information Retrieval (SIGIR 2021). Demo paper.
• Jiayu Li, Hongyu Lu, Chenyang Wang, Weizhi Ma, Min Zhang, Xianyu Zhao, Wei Qi, Yiqun Liu and Shaoping Ma. A Difficulty-Aware Framework for Churn Prediction and Intervention in Games[C]. The 27th ACM SIGKDD International Conference on Knowledge Discovery \& Data Mining (KDD 2021). Full paper.
• Hongyu Lu, Min Zhang, Wezhi Ma, Ce Wang, Feng Xia, Yiqun Liu, Leyu Lin and Shaoping Ma. Effects of User Negative Experience in Mobile News Streaming. The 42st International ACM SIGIR Conference on Research and Development in Information Retrieval. Full Paper. (SIGIR 2019). Preprint Version.
• Hongyu Lu, Min Zhang, Weizhi Ma, Yunqiu Shao, Yiqun Liu and Shaoping Ma. Quality Effects on User Preferences and Behaviors in Mobile News Streaming. In Proceedings of the 2018 World Wide Web Conference. Full Paper. (WWW 2019). Preprint Version. Slide
• Hongyu Lu, Min Zhang and Shaoping Ma. Between Clicks and Satisfaction: Study on Multi-Phase User Preferences and Satisfaction for Online News Reading. The 41st International ACM SIGIR Conference on Research and Development in Information Retrieval. Full Paper. (SIGIR 2018). Preprint Version. Dataset
• Hongyu Lu, Min Zhang, Yiqun Liu, Shaoping Ma. Convolution Neural Network Feature Importance Analysis and Feature Selection Enhanced Model[J]. (in Chinese). Journal of Software, 2017, 28(11): 2879-2890 (CCML 2017) (JOS 2017). Preprint Version.
• Cheng Guo, Hongyu Lu, Shaoyun Shi, Bin Hao, Bin Liu, Min Zhang, Yiqun Liu, Shaoping Ma. How Integration helps on Cold-Start Recommendations. Proceedings of the Recommender Systems Challenge 2017 (RecSys 2017). Preprint Version.
• Shaoyun Shi, Min Zhang, Hongyu Lu, Yiqun Liu, and Shaopin Ma, Wide & Deep Learning in Job Recommendation: An Empirical Study. Asia Information Retrieval Symposium (AIRS 2017). Preprint Version.

Honors

• Company Offers, 2021: Tencent (技术大咖), Meituan (北斗计划), Kuaishou (快Star计划), Baidu (AIDU计划), etc.
• Siebel Scholars, 2019 The highest amount award ($35,000) for postgraduate students in CS department of Tsinghua University.
• Nomination Award of MSRA Fellowship, 2019 Among over one hundred distinguished PhD candidates from 31 leading research academic institutions in China, Hong Kong SAR, Taiwan, Japan, Korea, and Singapore.
• Global Top20 of Baidu Scholarship, 2019
• Yixin Fellowship, 2018
• Best student paper award, CCML 2017

Experiences

• Visiting Ph.D., University of Amsterdam, February 2020 - April 2020
• Visiting Scholar, National University of Singapore, July 2019 - October 2019

Invited Talks

• User Behavior and Experience Modeling in Recommender System National University of Singapore, September 4, 2019
• Effects of User Negative Experience in Mobile News Streaming SIGIR 2019, Paris, France, July 24, 2019
• Quality Effects on User Preferences and Behaviors in Mobile News Streaming WWW 2019, San Francisco, USA, May 16, 2019
• Between Clicks and Satisfaction: Study on Multi-Phase User Preferences and Satisfaction for Online News Reading SIGIR 2018, Ann Arbor, USA, July 10, 2018