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cs.LG2026
PRISM: Calibrating Black-Box Judges with Counterfactual Probes
Kakei Yamamoto, So Kuroki
Large language models are increasingly used as judges to reduce reliance on costly human evaluation, yet their scores can systematically disagree with human judgments. We ask wheth…
cs.LG2026
TILT: Target-induced loss tilting under covariate shift
Kakei Yamamoto, Martin J. Wainwright
We introduce and analyze Target-Induced Loss Tilting (TILT) for unsupervised domain adaptation under covariate shift. It is based on a novel objective function that decomposes the…