Author

Zi-Xuan Ma

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#machine learning Preprint Sep 2026

Model-Agnostic Online Certificate-Driven Calibration for Time Series Forecasting Under Distribution Shift

Time series out-of-distribution generalization requires forecasters to remain reliable when deployment dynamics differ from training conditions due to covariate shift, concept shift, and temporal dependence. Probably Approximately Correct Bayesian domain adaptation provides computable certificates by decomposing target...

Chen-Feng Huang, Zi-Xuan Ma, George Michailidis · 3 citations

#machine learning Review Sep 2026

Causal Bayesian Optimization: Foundations, Methods, and Applications

This survey provides a systematic review of CBO through a unified BO-loop perspective, showing how causal assumptions shape intervention search spaces, surrogate models, acquisition functions, and decision policies, and identifies key open challenges, including robustness to causal-assumption violations, scalable unkno...

Chen-Feng Huang, Thuy T. Le, Zi-Xuan Ma et al. · Trans. Mach. Learn. Res. · 0 citations