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Gestion de données et de présentations multimédias par un SGBD à objets

Abstract : A Multimedia Database Management System must be able to manipulate and to manage data like image, text, audio or video, as multimedia presentations. A presentation synchronizes and composes several objects and each of them owns temporal aspects as a Temporal Shadow (composed of a delay and a duration). We use temporal constraints in order to establish this synchronization. We propose a presentation behaviorals model whose the objective is to add a new dimension to objects to associate a particular behavior to them as a reponse at events during their presentation. This behavior is composed of an action set which is able to start further to events during its presentation. The presentation development becomes unpredictable and is dependent of events which happen and activate a sequence of actions. The set of presentation behaviors constitutes the Behavioral Shadow of an object. For instance, it allows to modelize the user interaction. To prove the feasibility of our approach, we have extended the O2 object-oriented DBMS. These extensions correspond to predefined and reusable class libraries which allow to build, to manipulate, to interrogate and to play several types of presentations.
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Submitted on : Friday, February 20, 2004 - 5:26:13 PM
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  • HAL Id : tel-00004956, version 1




Françoise Mocellin. Gestion de données et de présentations multimédias par un SGBD à objets. Interface homme-machine [cs.HC]. Université Joseph-Fourier - Grenoble I, 1997. Français. ⟨tel-00004956⟩



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