Recent Publications

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Piriziwè Kobina, Laurent Brisson, Thierry Duval (2020). Layout radial 3D pour la visualisation de la centralité dans les graphes . In Atelier EGC-VIF 2020, Conférence Extraction et Gestion des connaissances , Bruxelles, Belgique.

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Raphaël Charbey, Laurent Brisson, Cécile Bothorel, Philippe Ruffieux, Serge Garlatti, Jean-Marie Gilliot, Antoine Mallégol (2019). Roles in social interactions: graphlets in temporal networks applied to learning analytics . In Complex Networks 2019, The 8th International Conference on Complex Networks and their Applications, Lisbonne, Portugal.

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Alya Itani, Laurent Brisson, Serge Garlatti (2018). Understanding Learner's Drop-out in MOOCs. 19th International Conference on Intelligent Data Engineering and Automated Learning, Madrid.

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Funded Projects

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Complex Networks Analysis

This work focuses on the analysis of social networks or interaction networks in order to detect communities or behaviours. Temporal …

[Carnot TSN 2019] eXplainable AnalytIcs for EDUcation

The XAI-EDU project aims to use Artificial Intelligence (AI) techniques to produce Learning Analytics (LA) that will support learners …

Learning Analytics

This work aims to use techniques from the analysis of social networks and machine learning to produce Learning Analytics (LA) that will …

Breast Cancer Risk Assessment

According to the World Health Organization, starting from 2010, cancer will become the leading cause of death worldwide. Prevention of …

Immersive Analytics

This work aims to develop new methods of data exploration and analysis using immersion techniques in 3D environments.

We are …

Higher Education Pedagogy

The purpose of this work on pedagogy in higher education is to take a step back on the various pedagogical innovations implemented in …

[ANR 2018-2021] Pluralisme de l'information en ligne (PIL)

The goal of this project is to analyze and evaluate the socio-economic effects of digital transformations on information quality and …

Supervised PhD

Piriziwè Kobina (december 2018 - ongoing)

  • Subject: New 3D Collaborative Graph Visualizations for Exploration of Relations between Communities
  • Director: Thierry Duval
  • Supervisors: Thierry Duval - Laurent Brisson
  • Funding: Britanny Region

Michael Kamau Wahiu (october 2018 - ongoing)

  • Subject: Understanding of Learning Analytics Techniques Using Network Community Detection
  • Director: Antoine Beugnard
  • Supervisors: Antoine Beugnard - Laurent Brisson - Jean-Marie Gilliot
  • Funding: French Government Grant (Embassy of France in Kenya)

Emilien Gauthier (2010-2013)

  • Subject: Évaluation du risque de maladie : conception d’un processus et d’un système d’information permettant la construction d’un score de risque adapté au contexte, application au cancer du sein
  • Director: Lenca Philippe
  • Supervisor: Brisson Laurent
  • Funding: Statlife
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Research Topics

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All Previous Topics Current Topics

Complex Networks Analysis

This work focuses on the analysis of social networks or interaction networks in order to detect communities or behaviours. Temporal evolution of interactions and communities is a major concern.

The approaches used are:

  • detection of temporal communities in graphs that may have attributes on nodes and/or edges
  • graphlet identification (small induced subgraphs)
  • machine learning tools for classification and clustering
  • 2D visualization tools for community evolution

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[Carnot TSN 2019] eXplainable AnalytIcs for EDUcation

The XAI-EDU project aims to use Artificial Intelligence (AI) techniques to produce Learning Analytics (LA) that will support learners and teachers in changing their practices based on in particular on a dimension that is currently little exploited: the influence of social interactions.

To address this issue, we propose a mixed numerical and symbolic approach (based on business knowledge) to make decision-making tools explainable and actionable.

Learning Analytics

This work aims to use techniques from the analysis of social networks and machine learning to produce Learning Analytics (LA) that will support learners and teachers in changing their practices.

We are particularly interested in how the analysis of social interactions allows us to obtain insights into the dynamics of learning strategies.

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Breast Cancer Risk Assessment

According to the World Health Organization, starting from 2010, cancer will become the leading cause of death worldwide. Prevention of major cancer localizations through a quantified assessment of risk factors is a major concern in order to decrease their impact in our society. In this project our objective was to find and to evaluate modeling methods easily readable by a physician.

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Immersive Analytics

This work aims to develop new methods of data exploration and analysis using immersion techniques in 3D environments.

We are particularly interested here in the development of graph visualization techniques to allow:

  • an intuitive visualization of the centrality of nodes
  • the ability to navigate between several levels of detail

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Higher Education Pedagogy

The purpose of this work on pedagogy in higher education is to take a step back on the various pedagogical innovations implemented in my teaching activities at IMT Atlantique.

Several topics are covered:

  • student motivation and autonomy
  • skill assessment
  • peer review
  • the management of heterogeneous populations

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[ANR 2018-2021] Pluralisme de l’information en ligne (PIL)

The goal of this project is to analyze and evaluate the socio-economic effects of digital transformations on information quality and pluralism (QPI) in the media universe.