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cs.LG2025
Group-Sensitive Offline Contextual Bandits
Yihong Guo, Junjie Luo, Guodong Gao +2
Offline contextual bandits allow one to learn policies from historical/offline data without requiring online interaction. However, offline policy optimization that maximizes overal…
cs.AI2025
PAME-AI: Patient Messaging Creation and Optimization using Agentic AI
Junjie Luo, Yihong Guo, Anqi Liu +2
Messaging patients is a critical part of healthcare communication, helping to improve things like medication adherence and healthy behaviors. However, traditional mobile message de…
cs.LG2025
MOBODY: Model Based Off-Dynamics Offline Reinforcement Learning
Yihong Guo, Yu Yang, Pan Xu +1
We study off-dynamics offline reinforcement learning, where the goal is to learn a policy from offline source and limited target datasets with mismatched dynamics. Existing methods…