Publications

Human-centered Evaluation of 3D Radial Layouts for Centrality Visualization

In this paper we propose improvements to the 3D radial layouts that make it possible to visualize centrality measures of the nodes in a …
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La plateformisation des médias français et le ton du débat public: exemple de YouTube

Les auteurs cherchent à comprendre, d’une part, où et quand l’espace des commentaires sur la plateforme YouTube en vient à être touché …
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Le jeu de rôle dans l'enseignement supérieur pour développer l'autonomie et la motivation des étudiants

L’informatique est une discipline exigeante à bien des niveaux, et son enseignement a suscité beaucoup de questionnements dans le …
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Analysing Student Engagement in an Online Course in the Context of Hybrid Learning Environment. An Empirical Study

This paper aims to understand student learning engagement in an online course. We describe an empirical study we conducted to …
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Analysing Peer Assessment Interactions and Their Temporal Dynamics Using a Graphlet-Based Method

Engaging students in peer assessment is an innovative assessment process which has a positive impact on students learning experience. …
Fahima Djelil, Laurent Brisson, Raphaël Charbey, Cécile Bothorel, Jean-Marie Gilliot, Philippe Ruffieux
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How to Choose Community Detection Methods in Complex Networks: The Case Study of Ulule Crowdfunding Platform

Discovering community structure in complex networks is a mature field since a tremendous number of community detection methods have …
Cécile Bothorel, Laurent Brisson, Inna Lyubareva
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Énumération de motifs dans un graphe d'évolution de communautés

Comprendre la dynamique des interactions entre individus dans les réseaux sociaux est un enjeu important, notamment via la dynamique …
Raphaël Charbey, Laurent Brisson, Cécile Bothorel
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3D radial layout for centrality visualization in graphs

This paper presents new methods of 3D visualization of graphs that allow to highlight nodes structural centrality. These methods con- …
Piriziwè Kobina, Laurent Brisson, Thierry Duval
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Une plateforme de crowdfunding et son réseau social - L’exemple Ulule

L’analyse empirique de la plateforme de crowdfunding Ulule montre l’existence d’un réseau social transverse aux projets qui présente, à …
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Layout radial 3D pour la visualisation de la centralité dans les graphes

Freeman (2004) définit l’analyse des réseaux sociaux comme une méthodologie d’étudedes relations entre acteurs sociaux. Elle permet de …
Piriziwè Kobina, Laurent Brisson, Thierry Duval
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Roles in social interactions: graphlets in temporal networks applied to learning analytics

There is a growing interest in how data generated in learning platforms, especially the interaction data, can be used to improve …
Raphaël Charbey, Laurent Brisson, Cécile Bothorel, Philippe Ruffieux, Serge Garlatti, Jean-Marie Gilliot, Antoine Mallégol
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Crowdfunding platform and inter-project social network: example of Ulule

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Using Sankey diagrams to visualize the evolution of communities

Information systems with complex and nested interconnections are often represented by diagrams making these systems easier to …
Euler Reinhardt, Mallégol Antoine, Mohammadi Mehrdad, Meyer Patrick, Bothorel Cécile, Brisson Laurent
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Understanding Learner's Drop-out in MOOCs

This paper focuses on anticipating the drop-out among MOOC learners and helping in the identification of the reasons behind this …
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Visualisation Immersive de Graphes en 3D pour explorer des graphes de communautés

In this paper we present some new metaphors for immersive 3D visualization of communities networks: one spherical projection for …
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Information Dissemination in scale-free networks: Profusion versus Scarcity

The study of information dissemination in social networks is of particular importance in many areas as marketing, politics and security …
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Le jeu de rôle dans l'enseignement supérieur pour développer l'autonomie et la motivation des étudiants

Computer science is a challenging discipline on many levels, and it’s teaching provoked many investigations in the pedagogical …
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Rumor Spreading Modeling: Profusion versus Scarcity

In this paper, we focus on the very specificity of rumors as pieces of information for modeling their process of propagation. We …
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Motivation, autonomie et évaluation : un retour d'expérience en école d'ingénieur

Ce retour d’expérience présente un dispositif dont le but est de motiver les étudiants et de développer leur autonomie, tout en …
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Gestion de groupes multilingues dans un enseignement scientifique

Dans cet article, nous décrivons une stratégie pédagogique qui permet une intégration harmonieuse entre étudiants francophones et non …
André Le Saout, Philippe Picouet, Laurent Brisson
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Opinion mining on experience feedback: A case study on smarphones reviews

Through the development of electronic commerce, social media and collaborative media, the social commerce appeared. Social commerce, a …
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A Nearest Neighbor Approach to Build a Readable Risk Score for Breast Cancer

According to the World Health Organization, starting from 2010, cancer has become the leading cause of death worldwide. Prevention of …
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Challenges to building a platform for a breast cancer risk score

Cancer has recently become the leading cause of death worldwide according to the World Health Organization. As a consequence, health …
Emilien Gauthier, Laurent Brisson, Philippe Lenca, Françoise Clavel-Chapelon, Stéphane Ragusa
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Breast cancer risk score: a data mining approach to improve readability

According to the World Health Organization, starting from 2010, cancer will become the leading cause of death worldwide. Prevention of …
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Etudiants et enseignants face à l'approche par compétences

Les difficultés rencontrées par les enseignants pour valoriser leurs enseignements dans les référentiels de formation (CDIO, Kratwohl …
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Variable optimization for flood prediction

In this paper, we present an heuristic based approach for feature selection in the context of flood prediction. Features are complex …
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How to Semantically Enhance a Data Mining Process?

This paper presents the KEOPS data mining methodology centered on domain knowledge integration. KEOPS is a CRISP-DM compliant …
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An ontology driven data mining process

This paper deals with knowledge integration in a data mining process. We suggest to model domain knowledge during business …
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Towards a human eye behavior model by applying Data Mining Techniques on Gaze Information from IEC

In this paper, we firstly present what is Interactive Evolutionary Computation (IEC) and rapidly how we have combined this artificial …
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Mining gene expression data using domain knowledge

Biology is now an information-intensive science and various research areas, like molecular biology, evolutionary biology or …
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Intégration de connaissances expertes dans le processus de fouille de données pour l'extraction d'informations pertinentes

L’extraction automatique de connaissances à partir des données peut être considérée comme la découverte d’informations …
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Ontologie et base de connaissances pour le pré-traitement et post-traitement en fouille de données

Le Système d’Information Conceptuel ExCIS pour l’extraction de connaissances est une approche s’inspirant de CRISP- …
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Improving the knowledge discovery process using ontologies

In this paper, we present the new ontology-based methodology ExCIS (Extraction using a Conceptual Information System) for integrating …
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KTA: A framework for integrating expert knowledge and experiment memory in transcriptome analysis

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HASAR: mining sequential association rules for atherosclerosis risk factor analysis

We present the HASARD method that is an hybrid approach for extracting adaptative temporal association rules. This method extracts …
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