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Matteo Zecchin

4 accepted papers

2025

Adaptive Learn-then-Test: Statistically Valid and Efficient Hyperparameter Selection

ICML 2025spotlight

We introduce adaptive learn-then-test (aLTT), an efficient hyperparameter selection procedure that provides finite-sample statistical guarantees on the population risk of AI models. Unlike the existing learn-then-test (LTT) technique, which relies on conventional p-value-based multiple hypothesis te…

Cited by 3SourcePDFScholar
2025

Adaptive Prediction-Powered AutoEval with Reliability and Efficiency Guarantees

NeurIPS 2025spotlight

Selecting artificial intelligence (AI) models, such as large language models (LLMs), from multiple candidates requires accurate performance estimation. This is ideally achieved through empirical evaluations involving abundant real-world data. However, such evaluations are costly and impractical at…

Cited by 0SourcecodeScholar