no code implementations • 11 Sep 2023 • Loic Brevault, Mathieu Balesdent
Using adapted covariance models and dedicated enrichment strategy for the Gaussian processes in Bayesian optimization, this approach allows to reduce the computational cost up to two orders of magnitude, with respect to classical Quality-Diversity approaches while dealing with discrete choices and the presence of constraints.
no code implementations • 29 Jun 2020 • Ali Hebbal, Loic Brevault, Mathieu Balesdent, El-Ghazali Talbi, Nouredine Melab
Gaussian Processes (GPs) are one of the popular approaches to exhibit the correlations between these different fidelity levels.
no code implementations • 6 Mar 2020 • Julien Pelamatti, Loic Brevault, Mathieu Balesdent, El-Ghazali Talbi, Yannick Guerin
This results in an optimization problem for which the search space varies dynamically (with respect to both number and type of variables) along the optimization process as a function of the values of specific discrete decision variables.
no code implementations • 7 May 2019 • Ali Hebbal, Loic Brevault, Mathieu Balesdent, El-Ghazali Talbi, Nouredine Melab
To overcome this issue, a new Bayesian Optimization approach is proposed.