Yongfeng Zhang

Yongfeng Zhang Photo
Postdoctoral Research Associate
364 CS Building


Economic Data Science, Recommender Systems, Information Retrieval, Sentiment Analysis


Dr. Zhang's recent research focus on 1) Economic Data Science, including the application and analysis of Economic theories in web applications such as recommendation, search, and sharing economy, especially on Internet Welfare related issues; 2) Explainable machine learning and its application to recommendation and search; 3) Conversational search, recommendation, and question answering systems.


Dr. Zhang received his PhD in Computer Science degree from the Department of Computer Science at Tsinghua University in the year of 2016, and prior to that he got his BE in Computer Science degree from he same institution. He also got the BS in Economics degree from the National School of Development at Peking University. During 2015-2016 he was an Assistant Specialist in Computer Science in the School of Engineering at UC Santa Cruz. After that he joined UMass CICS as a Postdoc Research Associate with Prof. Bruce Croft. His main research interests include Economic Data Science, Personalization Theories, Recommendation, IR, and Sentiment Analysis.

Activities & Awards

2017 Chinese Association for Artificial Intelligence (CAAI) Best PhD Dissertation Award
2017 APWEB-WAIM Best Student Paper Award
2016 Tsinghua University Academic Rising Star
2016 Excellent PhD Dissertation of Tsinghua University
2015 Microsoft PhD Fellowship
2014 Siebel Scholar
2014 Baidu Scholar
2014-2015 IBM International PhD Fellowship
2012 Google Excellent Student Scholarship
2010 IBM Scholarship
Regularly serve as program committee members in top conferences in the area, such as SIGIR, WWW, CIKM, WSDM, IJCAI, etc.