Search Results for author: Carl Hvarfner

Found 8 papers, 6 papers with code

Vanilla Bayesian Optimization Performs Great in High Dimensions

1 code implementation3 Feb 2024 Carl Hvarfner, Erik Orm Hellsten, Luigi Nardi

High-dimensional problems have long been considered the Achilles' heel of Bayesian optimization algorithms.

Bayesian Optimization

A General Framework for User-Guided Bayesian Optimization

1 code implementation24 Nov 2023 Carl Hvarfner, Frank Hutter, Luigi Nardi

The optimization of expensive-to-evaluate black-box functions is prevalent in various scientific disciplines.

Bayesian Optimization

High-dimensional Bayesian Optimization with Group Testing

1 code implementation5 Oct 2023 Erik Orm Hellsten, Carl Hvarfner, Leonard Papenmeier, Luigi Nardi

We propose a group testing approach to identify active variables to facilitate efficient optimization in these domains.

Bayesian Optimization

Joint Entropy Search for Maximally-Informed Bayesian Optimization

2 code implementations9 Jun 2022 Carl Hvarfner, Frank Hutter, Luigi Nardi

As a light-weight approach with superior results, JES provides a new go-to acquisition function for Bayesian optimization.

Bayesian Optimization Decision Making

$π$BO: Augmenting Acquisition Functions with User Beliefs for Bayesian Optimization

1 code implementation23 Apr 2022 Carl Hvarfner, Danny Stoll, Artur Souza, Marius Lindauer, Frank Hutter, Luigi Nardi

To address this issue, we propose $\pi$BO, an acquisition function generalization which incorporates prior beliefs about the location of the optimum in the form of a probability distribution, provided by the user.

Bayesian Optimization Hyperparameter Optimization

$\pi$BO: Augmenting Acquisition Functions with User Beliefs for Bayesian Optimization

no code implementations ICLR 2022 Carl Hvarfner, Danny Stoll, Artur Souza, Luigi Nardi, Marius Lindauer, Frank Hutter

To address this issue, we propose $\pi$BO, an acquisition function generalization which incorporates prior beliefs about the location of the optimum in the form of a probability distribution, provided by the user.

Bayesian Optimization Hyperparameter Optimization

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