Search Results for author: El-Ghazali Talbi

Found 5 papers, 0 papers with code

Recovery-to-Efficiency: A New Robustness Concept for Multi-objective Optimization under Uncertainty

no code implementations20 Nov 2020 El-Ghazali Talbi, Raca Todosijevic

More precisely, in the paper the so-called recovery-to-efficiency robustness concept is proposed and investigated.

Multi-fidelity modeling with different input domain definitions using Deep Gaussian Processes

no code implementations29 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.

Gaussian Processes

Bayesian optimization of variable-size design space problems

no code implementations6 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.

Matheuristics to optimize refueling and maintenance planning of nuclear power plants

no code implementations13 Dec 2018 Nicolas Dupin, El-Ghazali Talbi

It is shown that the restriction of time windows, which was used to ease computations, induces large over-costs and that this restriction is not required anymore with the capabilities of matheuristics or local search to solve such size of instances.

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