News

• May 2024: Our work on helping experts interactively explore pattern mining search spaces is accepted at Data Mining and Knowledge Discovery journal! The paper includes the use of soothsayers to evaluate interactive mining.
• February 2024: We have renewed our collaboration and contract with Orange Innovation Lannion.
• A mini-symposium on redescription mining and graphs was organized by Justine Reynaud and Jean-Luc Lamotte on December 7-8th, 2023 at the GREYC lab. Nice meetings with invited colleagues: Francesco Bariatti (Leiden University, Pays-Bas), Alexandre Bazin (Université de Montpellier), Peggy Cellier (INSA Rennes), Sébastien Ferré (Université de Rennes) and Arnaud Soulet (Université de Tours).
• Mina Rafla defended his PhD thesis on November 6, 2023. It is entitled "A Bayesian Approach for Uplift Modeling: Application on Biased Data". This is a joint work with Orange Innovation Lannion (Nicolas Voisine). We had the pleasure of welcoming Szymon Jaroszewicz for a short stay at the GREYC lab.
• With Sibylle Hess, I served as PC co-chair of the 21th Int. Symposium on Intelligent Data Analysis (IDA 2023) in Louvain-la-Neuve, Belgium, April 2023.
• I was very pleased to take part of the KDID 2022 workshop co-located with ECML/PKDD 2022 in Grenoble. Its title was Knowledge Discovery in Databases 20th anniversary of KDID workshop. This workshop was also a special event to celebrate the end of the academic career of Jean-François Boulicaut. Arnaud Soulet, François Rioult and I wrote a paper entitled condensed survey on condensed representations of patterns, one of our favorite research topic associated with the KDID workshop series and Jean-François' work.
• With Charlotte Laclau, I served as Workshop & Tutorial co-chair at ECML/PKDD 2022.
• January 2022: Sébastien Adam (LITIS) and I take the lead of the NormaSTIC research federation CNRS FR 3638. NormaSTIC aims to develop collaborations and all activities associating the laboratories of the federation, it also provides a single representative for public research in sciences and technologies of information and communication in Normandy.
• 2021 and 2022: invited researcher (6 month sabbatical leave and 6 month CNRS fellowship) at IRISA lab CNRS UMR 6074 in the Lacodam team.
• February 3, 2021: kick-off of the ANR InvolvD project (coordinator Albrecht Zimmermann).
• November 13, 2020: kick-off of the ANR Herelles project (coordinator Pierre Gançarski).
• Maksim Koptelov defended his PhD thesis on September 30, 2020. It is entitled "Link prediction in bipartite multi-layer networks, with an application to drug-target interaction prediction".
• October 2020: We got collaboration and contract with Orange Innovation Lannion.
• January 2020: Interdisciplinarity and data science are necessary to address a lot of scientific challenges. These notions are at the core of the GDR MaDICS. I am pleased to become deputy-director of the GDR MaDICS (director: Sarah Cohen-Boulakia).
• 2019: CPER Numnie supports (engineer) our work on text mining techniques to discover relations in texts.
• I was very pleased that our joint work on pattern interestingness in pattern mining was accepted at ECML/PKDD 2018.
• June 2018: short visit of Ian Davidson, University of California, Davis, US. We exchanged on several declarative approaches for pattern sets.
• May 2018: Project CNRS Mastodons QCM-BioChem (Quality in Consensualizing and Mining biological and chemical datasets) is launched (coordinators: Sarah Cohen-Boulakia and Albrecht Zimmermann).
• 2018: We got collaborations and contracts with Imprimerie Nationale and Roullier companies.
• Bamba Kane defended his PhD thesis on September 6, 2017. It is entitled "Extraction et sélection de motifs émergents minimaux : application à la chémoinformatique".
• May 2017: Project CNRS Mastodons Decade is launched (coordinator: Albrecht Zimmermann). Collaborative research on knowledge discovery and decision support to therapeutic chemistry (CERMN, GREYC, ICOA, IRISA, LI, LIFO, LIRIS, LORIA). We co-organized a scientific meeting in Lyon on November 2017 on interactive data mining, mining and learning with massively imbalanced data, mining and learning in bio/chemo-informatics. We got a KDD paper, Applied Data Science track on our joint work.
• March 2017: Our joint work on skypattern mining is now published at AIJ.
• With Marc Plantevit and Arnaud Soulet, we gave a tutorial on Preference-based Pattern Mining at ECML/PKDD 2016 (see here), ICFCA 2017 (see here) and BDA 2017 (see here).
• Under the PEPS Préfute project, we co-organized scientific meetings in Rennes on October 2016 and Nancy on November 2015. We have been talking about recent work by the pattern mining community, especially reporting basic reasearch results in this area. It was nice to hear talks by Tijl de Bie (Ghent University, Belgium), Albert Bifet (Télécom ParisTech, Paris), Mario Boley (Max Planck Institute for Informatics, Saarbrücken, Germany), Wouter Duivesteijn (Ghent University, Belgium & TU Eindhoven, The Netherlands), Matthijs van Leeuwen (Leiden University, The Netherlands) and Jilles Vreeken (Saarland University, Saarbrücken, Germany) plus some others from the members of this successful 2-year project.
• I served as PC Chair of the 16ème conférence francophone sur l'Extraction et la Gestion des Connaissances (EGC 2016) Reims, France.
• Guozhu Dong, head of the Data Mining Research Lab., Wright State University, Dayton, US, has been an invited professor at University of Caen in May 2015. We have launched a new scientific cooperation on contrast patterns in chemoinformatics.
• Willy Ugarte defended his PhD thesis on November 21, 2014. It is entitled "Extraction de motifs sous contraintes souples".
• ECML/PKDD 2014 was held in Nancy (France). With Radim Belohlavek, I was co-chair of the PhD session (doctoral consortium).
• We organized a mini-symposium on data mining on July 8-9th, 2014 at the GREYC lab in conjunction with the visit of Arno Siebes.
• Sergei O. Kuznetsov, head of the school for Applied Mathematics and Information Science at the National Research University in Moscow (Higher School of Economics) has been an invited professor at University of Caen in June 2013. We collaborate on formal concept analysis in chemoinformatics, here is a joint paper.
• Winn Voravuthikunchai defended his PhD thesis on December 11, 2013. It is entitled "Image representation based on frequent emerging patterns for image classification and retrieval".
• September 2013: Our work on Emerging Patterns as Structural Alerts for Computational Toxicology is now published in the book Contrast Data Mining: Concepts, Algorithms, and Applications edited by Guozhu Dong and James Bailey.
• Mehdi Khiari defended his PhD thesis on June 18, 2012. It is entitled "Découverte de motifs n-aires utilisant la programmation par contraintes".
• We got the Carl Smith Award for the paper "Soft Threshold Constraints for Pattern Mining" at the Discovery Science 2012 conference.