DEMKO Christophe
39 documents
Articles dans une revue
- Christophe Demko, Karell Bertet, Jean-François Viaud, Cyril Faucher, Damien Mondou. Description lattices of generalised convex hulls. International Journal of Approximate Reasoning, 2024, pp.109269. ⟨10.1016/j.ijar.2024.109269⟩. ⟨hal-04679079⟩
- Christophe Demko, Karell Bertet, Cyril Faucher, Jean-François Viaud, Sergei Kuznetsov. NextPriorityConcept: A new and generic algorithm computing concepts from complex and heterogeneous data. Theoretical Computer Science, 2020, 845, pp.1-20. ⟨10.1016/j.tcs.2020.08.026⟩. ⟨hal-03038671⟩
- Jean-François Viaud, Karell Bertet, Rokia Missaoui, Christophe Demko. Using congruence relations to extract knowledge from concept lattices. Discrete Applied Mathematics, 2018, 249, pp.135-150. ⟨10.1016/j.dam.2016.11.021⟩. ⟨hal-02407425⟩
- Karell Bertet, Christophe Demko, Jean-François Viaud, Clément Guerin. Lattices, closures systems and implication bases: A survey of structural aspects and algorithms. Theoretical Computer Science, 2018, 743, pp.93-109. ⟨10.1016/j.tcs.2016.11.021⟩. ⟨hal-02407440⟩
Communications dans un congrès
- Christophe Demko, Karell Bertet. Sublattice Extensions of Moore Families. The Third International Joint Conference on Conceptual Knowledge Structures, Aug 2026, Montpellier, France. ⟨hal-05661432⟩
- Karell Bertet, Christophe Demko, Axel Jean-Caurant. GALACTIC : une nouvelle plateforme pour du clustering sémantique. Plate-Forme Intelligence Artificielle 2026, Jun 2026, Arras, France. ⟨hal-05664211⟩
- Martin Waffo Kemgne, Antoine Huchet, Jean-Loup Guillaume, Christophe Demko, Karell Bertet. Garde alternée dans les graphes : quand les enfants rendent leurs parents flous. ALGOTEL 2026 — 28es Rencontres Francophones sur les Aspects Algorithmiques des Télécommunications, Jun 2026, Mandelieu-la-Napoule, France. ⟨hal-05604174⟩
- Christophe Demko, Jérémy Richard, Martin Waffo Kemgne, Cyril Faucher, Karell Bertet. Reduced Subcontext Completion in Lattices and Concept Lattices. International Joint Conference on Conceptual Knowledge Structures, Sep 2025, Cluj-Napoca, Romania. pp.51-66, ⟨10.1007/978-3-032-03364-2_4⟩. ⟨hal-05134813⟩
- Marwa Trabelsi, Salah Eddine Boukhetta, Damien Mondou, Karell Bertet, Sébastien Amoury, et al.. Towards Explainable Clustering in Process Mining and Sequential Pattern Mining: A Formal Framework. International Joint Conference on Conceptual Knowledge Structures, Sep 2025, Cluj - Napoca, Romania. pp.143-160, ⟨10.1007/978-3-032-03364-2_9⟩. ⟨hal-05134819⟩
- Karell Bertet, Christophe Demko. Formal Concept Analysis beyond binary data: past and future in the GALACTIC platform. ConSoft 2025, Workshop hosted at the CONCEPTS2025 conference, Sep 2025, Cluj-Napoca, Romania. ⟨hal-05145194⟩
- Martin Waffo Kemgne, Christophe Demko, Jean-Loup Guillaume, Karell Bertet. Dynamic and Overlapping Community Detection in Link Streams through Formal Concept Analysis. International Conference on Advances in Social Networks Analysis and Mining, Aug 2025, Niagara Falls, Ontario, Canada. pp.83-93, ⟨10.1007/978-3-032-13513-1_7⟩. ⟨hal-05134823⟩
- Martin Waffo Kemgne, Antoine Huchet, Christophe Demko, Karell Bertet, Jean-Loup Guillaume. From Non-overlapping to Overlapping Communities. International Conference on Advances in Social Networks Analysis and Mining, Aug 2025, Niagara Falls, Ontario, Canada. pp.315-329, ⟨10.1007/978-3-032-13513-1_26⟩. ⟨hal-05134820⟩
- Martin Waffo Kemgne, Christophe Demko, Karell Bertet, Jean-Loup Guillaume. Fuzzy and Overlapping Communities Detection: An Improved Approach Using Formal Concept Analysis. ASONAM 2024, Sep 2024, Rende (CS), Calabria, Italy. pp.23-35, ⟨10.1007/978-3-031-78548-1_3⟩. ⟨hal-04679375⟩
- Martin Waffo Kemgne, Christophe Demko, Karell Bertet, Jean-Loup Guillaume. Détection de Communautés Floues et Chevauchantes via l’Analyse Formelle de Concepts. Rencontres des Jeunes Chercheurs en Intelligence Artificielle 2024, AFIA; L3i, Jul 2024, La Rochelle, France. pp.93-103. ⟨hal-04645638⟩
- Guillaume Savarit, Christophe Demko, Karell Bertet. Mise en place d’une chaîne de traitement pour l’analyse explicable de séries temporelles via l’Analyse Formelle de Concept par compression en chronogrammes. Plate-Forme Intelligence Artificielle 2024, AFIA; L3i, Jul 2024, La Rochelle, France. pp.105-113. ⟨hal-04645634⟩
- Guillaume Savarit, Karell Bertet, Christophe Demko. Transcription de séries temporelles en séquences temporelles via conservation des caractéristiques de variation. Inforsid 2023 : Exploration des traces dans un monde du tout numérique : enjeux et perspectives, Damien Mondou; Ronan Champagnat; Didier Vye; Cyril Faucher, May 2023, La Rochelle, France. pp.24-27. ⟨hal-04117085⟩
- Jérémy Richard, Guillaume Savarit, Salah Eddine Boukhetta, Cyril Faucher, Karell Bertet, et al.. Discover spatio-temporal cluster from trajectory data enhance by heterogeneous contextual knowledge using FCA and the NᴇxᴛPʀɪᴏʀɪᴛʏCᴏɴᴄᴇᴘᴛ Algorithm. The 16th International Conference on Concept Lattices and Their Applications, Tallinn University of Technology, Jun 2022, Tallinn, Estonia. pp.159--174. ⟨hal-03874621⟩
- Christophe Demko, Salah Eddine Boukhetta, Jérémy Richard, Guillaume Savarit, Karell Bertet, et al.. GALACTIC: towards a generic and scalable platform for complex and heterogeneous data using Formal Concept Analysis. Workshop ETAFCA'2022 - Existing Tools and Applications for Formal Concept Analysis in conjunction with the 16th International Conference on Concept Lattices and Their Applications, Tallinn University of Technology, Jun 2022, Tallinn, Estonia. pp.191--198. ⟨hal-03874711⟩
- Karell Bertet, Christophe Demko. On the links between the NᴇxᴛPʀɪᴏʀɪᴛʏCᴏɴᴄᴇᴘᴛ algorithm and generalized convex hulls. Joint Mathematics Meetings, American Mathematical Society (AMS), Apr 2022, Virtual, United States. ⟨hal-03639401⟩
- Salah Eddine Boukhetta, Christophe Demko, Karell Bertet, Jérémy Richard, Cécile Cayèré. Fouille de séquences temporelles avec l’AFC et l’outil GALACTIC. Conférence francophone sur l'Extraction et la Gestion des Connaissances - Atelier Gestion et Analyse de données Spatiales et Temporelles, Jan 2022, Blois, France. ⟨hal-03491826⟩
- Salah Eddine Boukhetta, Christophe Demko, Karell Bertet, Jérémy Richard, Cécile Cayèré. Temporal sequence mining using FCA and GALACTIC. 26th International Conference on Conceptual Structures, Sep 2021, Bolzano, Italy. pp.185-199. ⟨hal-03258781⟩
- Karell Bertet, Kira Adaricheva, Christophe Demko, Angel Mora, Manuel Enciso. A Story of Rules.... ICFCA 2021, International Conference on Formal Concept Analysis, Jun 2021, Strasbourg, France. ⟨hal-03273693⟩
- Salah Eddine Boukhetta, Jérémy Richard, Christophe Demko, Karell Bertet. Interval-based sequence mining using FCA and the NextPriorityConcept algorithm. FCA4AI 2020: What can FCA do for AI?, Aug 2020, Santiago de Compostela, Spain. pp.91-102. ⟨hal-03038487⟩
- Salah Eddine Boukhetta, Christophe Demko, Jérémy Richard, Karell Bertet. Sequence Mining Using FCA and the NextPriorityConcept Algorithm. Concept Lattices and Their Applications 2020, Jun 2020, Tallinn, Estonia. pp.209-222. ⟨hal-03038439⟩
- Jean-François Viaud, Karell Bertet, Rokia Missaoui, Christophe Demko. Distributed and Parallel Computation of the Canonical Direct Basis. 14th International Conference on Formal Concept Analysis, Jun 2017, Rennes, France. pp.228-241, ⟨10.1007/978-3-319-59271-8_15⟩. ⟨hal-02545271⟩
- Jean-François Viaud, Karell Bertet, Christophe Demko, Rokia Missaoui. The Reverse Doubling Construction. KDIR, Nov 2015, Lisbon, Portugal. ⟨10.5220/0005613203500357⟩. ⟨hal-01282156⟩
- Jean-François Viaud, Karell Bertet, Christophe Demko, Rokia Missaoui. Décomposition sous-directe d'un treillis en facteurs irréductibles. Journées francophones d'Ingénierie des Connaissances IC2015, Jun 2015, Rennes, France. ⟨hal-01169541⟩
- Jean-François Viaud, Karell Bertet, Christophe Demko, Rokia Missaoui. Subdirect Decomposition of Contexts into Subdirectly Irreducible Factors. International Conference on Formal Concept Analysis ICFCA2015, Jun 2015, Nerja, Spain. ⟨hal-01282145⟩
- Christophe Demko, Karell Bertet. Information Retrieval by On-line Navigation in the Latticial Space-search of a Database, with Limited Objects Access. International workshop of the ECAI 2012 conference. "What can FCA do for artificial intelligence?" (FCA4AI), Aug 2012, Montpellier, France. pp.33-40. ⟨hal-02545292⟩
- Christophe Demko, Karell Bertet. Generation algorithm of a concept lattice with limited object access. The Eight International Conference on Concept Lattices and Their Applications (CLA 2011), 2011, Nancy, France. pp.239-250. ⟨hal-00716585⟩
- Christophe Demko. Authentification externe sous Joomla. JoomlaDay 2009, May 2009, France. ⟨hal-00385961⟩
- Christophe Demko. Le paradigme Modèle-Vue-Controlleur en Joomla 1.6. JoomlaDay 2009, May 2009, France. ⟨hal-00385955⟩
- Mohamed Najim, Patrice Boursier, Christophe Demko. Induction Learning of Incomplete Data for Planting Material Selection. proceedings of the International Conference on Biomathematics, 2007, Bandung, Indonesia. ⟨hal-00386006⟩
- Christophe Demko, Yann Olivet, Julien Blandineau, Thomas Guérin, Cédric Rominger. Réécriture d'expressions symboliques floues. Actes des rencontres francophones sur la logique floue et ses applications, 2007, France. pp.n.a. ⟨hal-00361063⟩
Chapitres d'ouvrage
- Karell Bertet, Christophe Demko, Salah Eddine Boukhetta, Jérémy Richard, Cyril Faucher. Analysis of Complex and Heterogeneous Data using FCA and Monadic Predicates. Rokia Missaoui,; Léonard Kwuida; Talel Abdessalem. Complex Data Analytics with Formal Concept Analysis, Springer International Publishing, pp.75--103, 2021, 9783030932770. ⟨10.1007/978-3-030-93278-7_4⟩. ⟨hal-03620944⟩
Autres publications
- Karell Bertet, Christophe Demko. GALACTIC : une nouvelle approche d’analyse de données complexes et hétérogènes. 2023. ⟨hal-04142884⟩
- Christophe Demko, Karell Bertet. GALACTIC: a python framework for Formal Concept Analysis. 2021. ⟨hal-03273948⟩
Pré-publications, Documents de travail
- Jean-François Viaud, Karell Bertet, Christophe Demko, Rokia Missaoui. Lattice decompositions through methods using congruence relations. 2016. ⟨hal-01282151⟩
Logiciel
- Christophe Demko, Karell Bertet. GALACTIC: GAlois LAttices, Concept Theory, Implicational systems and Closures. A set of python3 packages for studying Formal Concept Analysis. 2020. ⟨hal-03038350⟩
Documents récupérés de l'archive ouverte HAL 
