Yichong Xu

I'm a Senior Researcher in AI Cognitive Services Research Group at Microsoft. I work on machine learning, including interactive machine learning, preference learning, natural language processing, and deep learning. Previously I have done research on computer vision and game theory.

Contact: Yichong.Xu [at] microsoft.com

               xuyc11[at] gmail.com         

               Google Scholar  twitter  CV  GitHub

I'm looking for talented intern students to work with me on NLP/knowledge/graph topics.
If you are interested, just drop me an email!
Selected Publications (Full Publication List)

Multi-task Learning with Sample Re-weighting for Machine Reading Comprehension
Yichong Xu, Xiaodong Liu, Yelong Shen, Jingjing Liu and Jianfeng Gao.
North American Chapter of the Association for Computational Linguistics (NAACL) 2019. Long Oral.

Preference-based Reinforcement Learning with Finite-Time Guarantees
Yichong Xu, Ruosong Wang, Lin F. Yang, Aarti Singh and Artur Dubrawski. 
Thirty-fourth Conference on Neural Information Processing Systems (NeurIPS 2020). Spotlight presentation.

Regression with Comparisons: Escaping the Curse of Dimensionality with Ordinal Information
Yichong Xu, Sivaraman Balakrishnan, Aarti Singh, Artur Dubrawski
Journal of Machine Learning Research (JMLR), 2020.