activity
20222026
most citedSMT 2.0: A Surrogate Modeling Toolbox with a focus on Hierarchical and Mixed Variables Gaussian Processes

125 citations · 195 across the 12 of their papers we have counts for

collaborators

12 papers

cs.LG2026

Energy-aware frugal Bayesian optimization

Gaston Plat, Paul Saves, Nathalie Bartoli +2

Modern design optimization frameworks aim first and foremost for models with the most accurate predictions without balancing computational overhead. It remains a reason why scaled…

cs.LG2026

Hierarchical Bayesian optimization of an aircraft-based multi-agent system-of-systems

Paul Saves, Thierry Lefebvre, Nathalie Bartoli +4

Developing innovative system architectures increasingly relies on advanced modeling and optimization techniques to frame the architecting process and define the corresponding compu…

math.OC2026

Efficient multidisciplinary design via Bayesian optimization

Nathalie Bartoli, Thierry Lefebvre, Rémi Lafage +3

This study introduces SEGOMOE, a Bayesian optimization tool for optimizing complex, computationally expensive systems, especially in aeronautics. It efficiently handles mixed desig…

cs.AI2025

System-of-systems Modeling and Optimization: An Integrated Framework for Intermodal Mobility

Paul Saves, Jasper Bussemaker, Rémi Lafage +4

For developing innovative systems architectures, modeling and optimization techniques have been central to frame the architecting process and define the optimization and modeling p…

cs.LG2025★ 3 cited

Multi-objective Bayesian Optimization With Mixed-categorical Design Variables for Expensive-to-evaluate Aeronautical Applications

Nathalie Bartoli, Thierry Lefebvre, Rémi Lafage +8

This work aims at developing new methodologies to optimize computational costly complex systems (e.g., aeronautical engineering systems). The proposed surrogate-based method (often…

cs.LG2025★ 7 cited

Surrogate-based optimization of system architectures subject to hidden constraints

Jasper Bussemaker, Paul Saves, Nathalie Bartoli +2

The exploration of novel architectures requires physics-based simulation due to a lack of prior experience to start from, which introduces two specific challenges for optimization…

stat.ME2025★ 9 cited

Bayesian optimization for mixed variables using an adaptive dimension reduction process: applications to aircraft design

Paul Saves, Nathalie Bartoli, Youssef Diouane +5

Multidisciplinary design optimization methods aim at adapting numerical optimization techniques to the design of engineering systems involving multiple disciplines. In this context…

cs.LG2025★ 11 cited

Regularized infill criteria for multi-objective Bayesian optimization with application to aircraft design

Robin Grapin, Youssef Diouane, Joseph Morlier +4

Bayesian optimization is an advanced tool to perform ecient global optimization It consists on enriching iteratively surrogate Kriging models of the objective and the constraints b…

math.OC2025★ 11 cited

System Architecture Optimization Strategies: Dealing with Expensive Hierarchical Problems

Jasper H. Bussemaker, Paul Saves, Nathalie Bartoli +2

Choosing the right system architecture for the problem at hand is challenging due to the large design space and high uncertainty in the early stage of the design process. Formulati…

math.OC2023★ 7 cited

High-dimensional mixed-categorical Gaussian processes with application to multidisciplinary design optimization for a green aircraft

Paul Saves, Youssef Diouane, Nathalie Bartoli +2

Recently, there has been a growing interest in mixed-categorical metamodels based on Gaussian Process (GP) for Bayesian optimization. In this context, different approaches can be u…

cs.LG2023★ 125 cited

SMT 2.0: A Surrogate Modeling Toolbox with a focus on Hierarchical and Mixed Variables Gaussian Processes

Paul Saves, Remi Lafage, Nathalie Bartoli +6

The Surrogate Modeling Toolbox (SMT) is an open-source Python package that offers a collection of surrogate modeling methods, sampling techniques, and a set of sample problems. Thi…

math.OC2022★ 22 cited

A mixed-categorical correlation kernel for Gaussian process

P. Saves, Y. Diouane, N. Bartoli +2

Recently, there has been a growing interest for mixed-categorical meta-models based on Gaussian process (GP) surrogates. In this setting, several existing approaches use different…