Suivi de la Dynamique Intrinsèque des Interactions entre Utilisateur et SI

Abstract : Monitoring the evolution of user-system interactions is of high importance for complex systems and for information systems in particular, especially to raise alerts automatically when abnormal behaviors occur. However current methods fail at capturing the intrinsic dynamics of the system, and focus on evolution due to exogenous factors like day-night patterns. In order to capture the intrinsic dynamics of user-system interactions, we propose an innovative graph-based approach relying on a novel concept of time. We apply our method on a large real-world system (the Github.com social network) to automatically detect statistically signi cant events in a real-time fashion. We nally validate our results with the successful interpretation of the detected events.
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Submitted on : Friday, September 6, 2013 - 10:00:52 AM
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Sébastien Heymann, Bénédicte Le Grand. Suivi de la Dynamique Intrinsèque des Interactions entre Utilisateur et SI. 31ème Congrès INFormatique des ORganisations et Systèmes d'Information et de Décision, May 2013, Paris, France. ⟨hal-00828786⟩

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