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cs.LG2026
Counterfactual Online Conformal Prediction Under Adaptive Logging
Xinyu Qiao, Yichen Lin, Kaihong Ji +2
Online conformal prediction can fail when predictions shape actions and actions determine which outcomes enter calibration. Standard adaptive methods may retain marginal coverage w…
cs.LG2026
From Weak Data to Strong Policy: Q-Targets Enable Provable In-Context Reinforcement Learning
Yichen Lin, Xuyuan Xiong, Xue Wang +3
Existing in-context reinforcement learning methods mainly pretrain Transformers with supervised behavior-prediction objectives. This enables task inference from context, but makes…