I am a research scientist in the Ads Ranking & Foundational AI team at Meta, where I leverage machine learning to tackle critical business challenges. My primary focus has been on Recommendation Systems, exploring various topics within this domain.

Prior to joining Meta, I earned my Ph.D. from Penn State under the supervision of Professor C. Lee Giles and received my bachelor’s degree in computer science from Tsinghua University.

Email: {firstname}{lastname}09 [DOT] work [AT] gmail [DOT] com

Work Experience

• Meta: Research Scientist, Ads Ranking Team (August 2018 - Present), Sunnyvale, CA
• Facebook: Intern, Search Ranking Team (May 2017 - August 2017), Menlo Park, CA
• Bosch Research and Technology Center: Research Intern, Natural Language Processing Group (May 2016 - August 2016), Palo Alto, CA
• Qatar Computing Research Institute: Research Intern, Data Analytics Group (June 2015 - August 2015), Doha, Qatar

Selected Publications [Full List]

• [WWW’24] Scaling User Modeling: Large-scale Online User Representations for Ads Personalization in Meta
• [EDM’19] Active Learning of Strict Partial Orders: A Case Study on Concept Prerequisite Relations
• [AAAI’17] Recovering Concept Prerequisite Relations from University Course Dependencies
• [EMNLP’15] Measuring Prerequisite Relations Among Concepts