Search Results for author: Riccardo Perego

Found 4 papers, 0 papers with code

Green Machine Learning via Augmented Gaussian Processes and Multi-Information Source Optimization

no code implementations25 Jun 2020 Antonio Candelieri, Riccardo Perego, Francesco Archetti

Computational results are reported related to the optimization of the hyperparameters of a Support Vector Machine (SVM) classifier using two sources: a large dataset - the most expensive one - and a smaller portion of it.

Bayesian Optimization BIG-bench Machine Learning +1

Composition of kernel and acquisition functions for High Dimensional Bayesian Optimization

no code implementations9 Mar 2020 Antonio Candelieri, Ilaria Giordani, Riccardo Perego, Francesco Archetti

This ap-proach makes more efficient the learning/updating of the probabilistic surrogate model and allows an efficient optimization of the acquisition function.

Bayesian Optimization Vocal Bursts Intensity Prediction

Safe global optimization of expensive noisy black-box functions in the $δ$-Lipschitz framework

no code implementations15 Aug 2019 Yaroslav D. Sergeyev, Antonio Candelieri, Dmitri E. Kvasov, Riccardo Perego

The notion "safe" means that the objective function $f(x)$ during optimization should not violate a "safety" threshold, for instance, a certain a priori given value $h$ in a maximization problem.

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