Eléments pour la conception d'énoncés multimodaux en Dialogue Homme Machine : pourquoi l'unité d'analyse psychologique est l'Action et non l'Information

Abstract : This thesis aims to improve communication skills of Human Computer Dialogue systems through the analysis of system actions and their effects in dialogue. This problematic supposes the use of adapted conceptual tools for the analysis and is linked to the problem of individual human cognitive processing during communication. The theoretical part explores this applied problematic in an interdisciplinary context (between linguistics, engineering and psychology). This presentation allows opposing two different viewpoints in the experimental part: (1) pragmatic approach analyses the partners acts, following a socio-cognitive viewpoint and (2) cognitive approach analyses the information processing, focalized on the individual level. Five experiments (Wizard of Oz protocol) are presented. In the two firsts system was communicating in spoken mode (auditory utterances). These two experiments gave evidence for the utility and effects of help messages (procedural content) and syntax in auditory utterances. In the three last experiments, the system was using multimodal communication (audio-visual utterances). A categorization of information in three types has been introduced (‘echo', ‘response' and ‘opening'). A rule was proposed to attribute presentation modes (auditory and/or visual) in function of information types, in order to design innovative ‘presentation strategies'. These three experiments demonstrated the relevance of the analysis principles used to design presentation strategies. They showed type-mode relation importance to predict the effects of acts. Obtained results allow validating the pragmatic approach against the cognitive one. Implications of these results are discussed in the conclusion part, first for the design of system utterances in HCD and, secondly about theoretical consequences to consider
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Submitted on : Monday, April 12, 2010 - 2:02:41 PM
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  • HAL Id : tel-00472534, version 1

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Dominique Fréard. Eléments pour la conception d'énoncés multimodaux en Dialogue Homme Machine : pourquoi l'unité d'analyse psychologique est l'Action et non l'Information. Interface homme-machine [cs.HC]. Université Rennes 2; Université Européenne de Bretagne, 2009. Français. ⟨tel-00472534⟩

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