Xavier Lebeuf

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Publications

Cahiers du GERAD

oct. 2025

G-2025-70
Benchmarking derivative-free optimization solvers for CSP plant design using the \(\textsf{solar}\) simulator

Xavier Lebeuf, Sébastien Le Digabel, Philippe Brillon, Miguel Diago, Charles Audet et Christophe Tribes

Ce travail présente une étude de cas dans laquelle quatre solveurs sans dérivées reconnus sont comparés sur plusieurs instances issues de la suite de problèm...

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juin 2024

G-2024-37
\(\texttt{solar}\): A solar thermal power plant simulator for blackbox optimization benchmarking

Nicolau Andres Thio, Charles Audet, Miguel Diago, Aïmen E. Gheribi, Sébastien Le Digabel, Xavier Lebeuf, Mathieu Lemyre-Garneau et Christophe Tribes

This work introduces solar, a collection of ten optimization problem instances for benchmarking blackbox optimization solvers. The instances present differ...

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déc. 2023

G-2023-66
Hierarchically constrained multi-fidelity blackbox optimization

Stéphane Alarie, Charles Audet, Miguel Diago, Sébastien Le Digabel et Xavier Lebeuf

This work introduces a novel multi-fidelity blackbox optimization algorithm designed to alleviate the resource-intensive task of evaluating infeasible points...

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mars 2021

G-2021-08
Combining heuristics and integer linear programming to compute a solution to the Robotic Process Automation (RPA) problem

Sara Séguin, Imène Benkalai, Hugo Tremblay, Xavier Lebeuf et David-Emmanuel Perron-Chouinard

Robotic process automation (RPA) is used in various fields of human activity in order to implement faster and more secure processes through a reduction in th...

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Articles

sept. 2025

\(\texttt{solar}\): A solar thermal power plant simulator for blackbox optimization benchmarking

Nicolau Andres Thio, Charles Audet, Miguel Diago, Aïmen E. Gheribi, Sébastien Le Digabel, Xavier Lebeuf, Mathieu Lemyre-Garneau et Christophe Tribes

Optimization and Engineering, 26, 1815–1861, 2025 référence BibTeX

jan. 2025

Inter-DS: A cost saving algorithm for expensive constrained multi-fidelity blackbox optimization

Stéphane Alarie, Charles Audet, Miguel Diago, Sébastien Le Digabel et Xavier Lebeuf

Computational Optimization and Applications, 90(3), 607–629, 2025 référence BibTeX

Actes de conférence

oct. 2021

Minimizing the number of robots required for a Robotic Process Automation (RPA) problem

Sara Séguin, Hugo Tremblay, Imène Benkalai, David-Emmanuel Perron-Chouinard et Xavier Lebeuf

Procedia Computer Science, Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 25th International Conference KES2021, 192, 709–716, 2021 référence BibTeX