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Navigation multimodale dans une vue bifocale sur dispositifs mobiles

Abstract : Mobile devices are now ubiquitous in everyday computing. Technological advances and increasing mobile network performance allow users to manipulate more and more information on their mobile devices, changing the use they make of these types of devices, which are gradually replacing desktop computers. However mobile devices are not used in the same way as desktops and face specific constraints. In particular, smaller screens fail to display as much information as a computer screen. In addition, these screens, mostly tactile, are used as both input and output devices, leading to occlusion of a portion of the screen during touch interaction. These findings and limitations give rise to the problem of interactive visualization of large amounts of information on mobile devices.We addressed this problem by considering two related research axes: on the one hand information visualization and on the other hand interaction on mobile devices.For the first axis, we focused on visualization techniques that provide an overview of the information space and a detailed subset of it. Indeed, only one view of a subset of the information space makes it difficult to understand it because of the lack of context. Conversely, visualizing the complete information space on the screen of a mobile device makes it unreadable.For the second axis, we studied interaction techniques for navigating an information space. Facing the variety of sensors available in todays mobile devices, there is a vast set of possibilities in terms of interaction modalities.We provide two types of contribution: conceptual and practical.First we present a design space of navigation techniques on mobile devices: this design space enables us to describe, compare and design interaction modalities for the task of navigation in an information space. Second we propose a conceptual model of multimodal navigation for navigating a multiscale information space.Based on a state of the art of visualization techniques on mobile devices, we designed, developed and experimentally tested a bifocal view on a mobile device. By relying on our design space and by operationalizing our conceptual model of navigation, we designed developed and experimentally compared several multimodal interaction techniques for navigating a multiscale information space.
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Sébastien Pelurson. Navigation multimodale dans une vue bifocale sur dispositifs mobiles. Ordinateur et société [cs.CY]. Université Grenoble Alpes, 2016. Français. ⟨NNT : 2016GREAM035⟩. ⟨tel-01689409⟩

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