CV
Education
Ph.D. in Information Sciences and Technology | 2013-2018
Pennsylvania State University, University Park, PA
Advisor: Professor C. Lee Giles
Doctoral Dissertation: Machine Learning Methods for Building Educational Applications: Concept Prerequisite Learning and Automatic Distractor Generation
B.Eng. in Computer Science and Technology | 2009-2013
Tsinghua University, Beijing, China
Professional Experience
Research Scientist | August 2018 - Present
Meta, Sunnyvale, CA
Ads Ranking and Foundational AI Team
- Working on ads ranking personalization and large-scale recommendation systems
- Developing user modeling and representation learning methods for billions of users
- Leading research on sequence learning paradigms for personalized recommendations
Research Assistant | August 2013 - August 2018
Pennsylvania State University, University Park, PA
Supervisor: Dr. C. Lee Giles
- Conducted research on machine learning methods for building educational applications
- Studied concept prerequisite learning and automatic distractor generation for question generation
Software Engineering Intern | May 2017 - August 2017
Facebook, Menlo Park, CA
Search Ranking Team
- Worked on click modeling to improve the opinion search product
- Supervisor: Dr. Zhen Liao
Research Intern | May 2016 - August 2016
Bosch Research and Technology Center, Palo Alto, CA
Natural Language Processing Group
- Worked on natural language understanding using deep learning
- Proposed a RNN-based joint model for both slot filling and intent detection
- Improved Bosch’s search engine to better understand users’ intent
Research Intern | June 2015 - August 2015
Qatar Computing Research Institute (QCRI), Doha, Qatar
Data Analytics Group
- Worked on methods for automatic risk of bias analysis for clinical trials
- Contributed to Rayyan, a tool to help systematic review authors
- Supervisor: Dr. Mourad Ouzzani
Research Assistant | June 2011 - July 2013
Tsinghua University, Beijing, China
Natural Language Processing Group
- Conducted research on keyphrase extraction and expert finding
- Supervisor: Dr. Zhiyuan Liu
Patents
Systems and Methods for News Event Organization US Patent 9817908B2, November 14, 2017
Honors and Awards
Excellent Undergraduate | 2013
Department of Computer Science, Tsinghua UniversityAeon Scholarship | 2011
Tsinghua University
Professional Services
Program Committee Member
- Annual Meeting of the Association for Computational Linguistics (ACL): 2019
- Workshop on Innovative Use of NLP for Building Educational Applications (BEA): 2020, 2019, 2018