🧑🤝🧑 Team#
The GALACTIC Organization is an informal group of researchers working in the field of formal concept analysis. Individuals are listed in the historical order of their contribution.
🧠 Research director#
Full professor
Karell Bertet (2004-2025) is a full professor at the L3i.
She is at the origin of the first library written in java manipulating formal concept analysis and lattices.
She supervised or co-supervised:
PhD Theses
🏗️ Software architect#
Assistant professor
Christophe Demko (2011-2025) is an assistant professor at the L3i.
He is the software architect of the GALACTIC python packages.
He supervised or co-supervised:
PhD Theses
Master degree internships
🧑🎓 Romain Coste
Bachelor degree internships
🔬 Supervisors#
Assistant professor
Cyril Faucher (2019-2025) is an assistant professor at the L3i.
He co-supervised:
PhD Thesis
Assistant professor
Damien Mondou (2022-2025) is an assistant professor at the L3i.
He co-supervised:
PhD Thesis
Full professor
Jean-Loup Guillaume (2023-2025) is a full professor at the L3i.
He co-supervised:
PhD Thesis
🎓 PhD students#
PhD
Stéphanie Guillas (2004-2007) completed her PhD in computer sciences at the L3i.
Stéphanie conducted her PhD on recognition of deteriorared graphic objects: approach based on concept lattice, under the leadership of Karell Bertet and Jean-Marc Ogier at La Rochelle University.
Assistant professor
Nathalie Girard (2008-2013) completed her PhD in computer sciences at the L3i.
Nathalie conducted her PhD on an automatic image classification system and the development of a hybrid model between decision tree and Galois lattice. She is currently an assistant professor at IRISA, Rennes.
PhD
Clément Guérin (2011-2014) completed his PhD in computer sciences at the L3i. |
Clément conducted his PhD on comic books knowledge analysis through the years 2011 to 2014. During this time he worked on an efficient implementation of the computation of the immediate successors of lattice concepts. Afterwards, he has been involved in several topics, such as image analysis and recommendation systems. He joined a private company in late 2016 where he is now in charge of the data science infrastructure.
PhD
Ngoc Bich Dao (2012-2017) completed her PhD in computer sciences at the l3i.
Ngoc Bich conducted her PhD on the reduction of visual word bag size using Formal Concepts Analysis.
PhD
Jean-François Viaud (2014-2017) completed his PhD in computer sciences at the L3i.
He contributed to the first version written in java.
PhD
Salah Eddine Boukhetta (2018-2022) is a PhD student at the L3i under the direction of Karell Bertet.
He has developed the quantile strategy for numerical attributes that can serve as an example for creating new strategies. He is working on sequence attributes and strategies which is the main subject of his PhD thesis.
PhD
Sébastien Amoury (2019; 2021; 2022-2025) was an intern during his third year computer sciences bachelor’s degree in 2019 at the L3i and participated in the code writing during the research teaching of the second year of the computer sciences master’s degree.
He extended the description and basic strategy for the numerical attributes to the 2-dimensional case and added instructions in the various manuals.
He created the galactic-ruler app.
He started his PhD thesis in 2022 whose title is Complex and heterogenous data analysis for the adaptation of robotic scenarios taking into account all the dimensions of the interaction.
PhD
Jérémy Richard (2019-2022) has been a PhD student at the L3i under the direction of Karell Bertet.
He participated to the writing of the function allowing the extension of a lattice. He used GALACTIC as a tool for analyzing geospatial trajectories.
PhD
Guillaume Savarit (2022-2025) is a PhD student whose thesis subject is GALACTIC extension for analysis of time series with application on sensor data from the Grand Port Maritime of La Rochelle at the L3i under the direction of Karell Bertet.
PhD
Martin Waffo Kemgne (2023-2025) is a PhD student at the L3i under the direction of Christophe Demko whose thesis subject is Dynamic community detection as seen through the prism of Formal Concept Analysis.
👷 Contributors#
🗓️ 2017#
Assistant professor
Jessie Carbonnel (2017) was invited during its PhD at the L3i.
Jessie Galasso-Carbonnel got a PhD in computer science from the University of Montpellier, France, where she worked on symbolic machine learning for information system reverse engineering. She is particularly interested in knowledge extraction and representation of complex systems. She is currently working on knowledge engineering related topics at the French Institute of Sustainable Development. She is currently an assistant professor at McGill University, Canada.
🗓️ 2019#
Undergraduate intern
Clément Bodin (2019) was an intern during his third year computer sciences bachelor’s degree in 2019 at the L3i.
He helped to fix the galactic-laser executable and added
instructions in the various manuals.
Undergraduate intern
Léo Grippon (2019) was an intern during his third year computer sciences bachelor’s degree in 2019 at the L3i.
He developped the various data readers for the GALACTIC core engine and added instructions in the various manuals.
🗓️ 2020#
Undergraduate intern
Issa Mboup (2020) was an intern during his first year of computer sciences master’s degree in 2020 at the L3i.
He started the work on graph plugins.
🗓️ 2021#
Graduate student
William Vertadier (2021) participated in the code writing during the research teaching of the second year of the computer sciences master’s degree.
He created the galactic-rulerapp.
Graduate student
Raphaël Beck-Protoy (2021) participated in the code writing during the research teaching of the second year of the computer sciences master’s degree.
He created the galactic-rulerapp.
Undergraduate intern
Romain Poyault (2021) was an intern during his third year computer sciences bachelor’s degree in 2021 at the L3i.
He started the windows installer.
🗓️ 2022#
Graduate student
Thibault Raquet (2022) participated in the code writing during its second year of the computer sciences master’s degree of the University of La Rochelle.
He created the galactic-configurator app.
Graduate student
Thibault Le Guillou (2022) participated in the code writing during its second year of the computer sciences master’s degree of the University of La Rochelle.
He created the galactic-configurator app.
Graduate student
Benjamin Valognes (2022) participated in the code writing during its second year of the computer sciences master’s degree of the University of La Rochelle.
He created the galactic-configurator app.
Undergraduate intern
Éléonore thonneau (2022) was an intern during her third year computer sciences bachelor’s degree in 2022 at the L3i.
She created the plugins for processing fuzzy data.
Undergraduate intern
Kevin Voisin (2022) was an intern during his third year computer sciences bachelor’s degree in 2022 at the L3i.
He created the Path class for intuitive access to data in any python tree.
Undergraduate intern
Martin Ehlinger (2022) was an intern during his third year computer sciences bachelor’s degree in 2022 at the L3i.
He created the windows installer using the system provided by NSIS: Nullsoft Scriptable Install System
Undergraduate intern
Jules Bricou (2022) was an intern during his third year computer sciences bachelor’s degree in 2022 at the L3i.
He developed the first version of GALACTIC as a development framework.
Undergraduate intern
Alexandre Buffard (2022) was an intern during his third year computer sciences bachelor’s degree in 2022 at the L3i.
He created the plugins for processing discrete quantitative data.
🗓️ 2023#
Graduate
Etienne Descamps (2023-2024) was a engineer after his master’s degree at L3i.
He created the first version of the galactic-explorer app.
Undergraduate intern
Yannis Rouhier (2023) was an intern during his third year computer sciences bachelor’s degree in 2023 at the L3i.
He created the first version of the GALACTIC framework.
🗓️ 2024#
Graduate intern
Romain Coste (2024) was an intern during his second year computer sciences master’s degree in 2024 at the L3i.
He stabilized the galactic-explorer app.
Undergraduate intern
Alexy Lafosse (2024) was an intern during his third year computer sciences bachelor’s degree in 2024 at the L3i.
He continued the GALACTIC framework.
🗓️ 2025#
Undergraduate intern
Cyprien Robinaud (2025) was an intern during his third year computer sciences bachelor’s degree in 2025 at the L3i.
He started working on the GALACTIC Market application, specifically the CLI version.
Undergraduate intern
Djénaba Barry (2025) was an intern during her third year computer sciences bachelor’s degree in 2025 at the L3i.
She started working on the GALACTIC Market application, specifically the GUI version.