Shen, Han

10 publications

JMLR 2025 Principled Penalty-Based Methods for Bilevel Reinforcement Learning and RLHF Han Shen, Zhuoran Yang, Tianyi Chen

ICLR 2025 SEAL: Safety-Enhanced Aligned LLM Fine-Tuning via Bilevel Data Selection Han Shen, Pin-Yu Chen, Payel Das, Tianyi Chen

ICML 2024 Principled Penalty-Based Methods for Bilevel Reinforcement Learning and RLHF Han Shen, Zhuoran Yang, Tianyi Chen

AISTATS 2023 Alternating Projected SGD for Equality-Constrained Bilevel Optimization Quan Xiao, Han Shen, Wotao Yin, Tianyi Chen

AISTATS 2023 Distributed Offline Policy Optimization over Batch Data Han Shen, Songtao Lu, Xiaodong Cui, Tianyi Chen

ICLR 2023 Mitigating Gradient Bias in Multi-Objective Learning: A Provably Convergent Approach Heshan Devaka Fernando, Han Shen, Miao Liu, Subhajit Chaudhury, Keerthiram Murugesan, Tianyi Chen

ICML 2023 On Penalty-Based Bilevel Gradient Descent Method Han Shen, Tianyi Chen

NeurIPS 2022 A Single-Timescale Analysis for Stochastic Approximation with Multiple Coupled Sequences Han Shen, Tianyi Chen

AAAI 2020 Learned Video Compression via Joint Spatial-Temporal Correlation Exploration Haojie Liu, Han Shen, Lichao Huang, Ming Lu, Tong Chen, Zhan Ma

ICCVW 2019 Motion-Guided Spatial Time Attention for Video Object Segmentation Qiang Zhou, Zilong Huang, Lichao Huang, Yongchao Gong, Han Shen, Wenyu Liu, Xinggang Wang