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Modélisation et analyse du comportement des utilisateurs exploitant des données vidéo

Sylvain Mongy 1
1 LIFL - FOX MIIRE
LIFL - Laboratoire d'Informatique Fondamentale de Lille
Abstract : Our work proposes to analyze users' behavior using video data. Our objective is to contribute understanding how and why users view each video sequence. We present an approach combining intra-video and inter-video behavior analysis. The intra-video level represents the viewing of a video sequence. The inter-video level represents the sessions (linkage between videos viewed by users). An intra-video behavior is defined by a Markov model built using the actions performed during viewings. We cluster these behavior with a new method derived from K-Means adapted to the use of Models (K-Models). We then characteriz several typical behaviors that allows to estimate the level of interest of each video. An inter-video behavior is defined by a session. This session is an ordered sequence of viewings performed by the users. ln order to cluster these sessions, we propose a hierarchical technique, representing clusters by a set of common subsequences enriched by intra-video behaviors. Results from test sets allow to identify observed behaviors and to conclude on the interest of the videos. We also propose a framework on how to integrate our approach in a search engine in order to detect indexing errors and to propose altemate searches to the users.
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Submitted on : Wednesday, July 10, 2013 - 7:22:36 AM
Last modification on : Thursday, February 21, 2019 - 10:52:51 AM
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Sylvain Mongy. Modélisation et analyse du comportement des utilisateurs exploitant des données vidéo. Multimédia [cs.MM]. Université des Sciences et Technologie de Lille - Lille I, 2008. Français. ⟨tel-00842718⟩

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