Xiao Yu

I am a second year Ph.D. student in Computer Science at Columbia University advised by Zhou Yu. Before joining the Ph.D. program, I was an undergrad also at Columbia University, majoring in Computer Science and minoring in Applied Physics.

🌟 Currently I am interested in:

Reinforcement Learning + LM Training

Planning Algorithms + LM Agent

🚀 My most recent work include:

ICLR 2025

ExACT: Teaching AI Agents to Explore with Reflective-MCTS and Exploratory Learning

Xiao Yu, Baolin Peng, Vineeth Vajipey, Hao Cheng, Michel Galley, Jianfeng Gao, Zhou Yu

Paper

GitHub

Website

arXiv

ConFit v2: Improving Resume-Job Matching using Hypothetical Resume Embedding and Runner-Up Hard-Negative Mining

Xiao Yu*, Ruize Xu*, Chengyuan Xue*, Jinzhong Zhang, Xu Ma, Zhou Yu

Paper

GitHub

EMNLP 2024

LIONs: An Empirically Optimized Approach to Align Language Models

Xiao Yu, Qingyang Wu, Yu Li, Zhou Yu

Paper

GitHub

NAACL 2024🏆

Teaching Language Models to Self-Improve through Interactive Demonstrations

Xiao Yu, Baolin Peng, Michel Galley, Jianfeng Gao, Zhou Yu

Paper

GitHub

RecSys 2024

ConFit: Improving Resume-Job Matching using Data Augmentation and Contrastive Learning

Xiao Yu, Jinzhong Zhang, Zhou Yu

Paper

GitHub