Relevance and Perceptual Constraints in Multimodal Referring ActionsReport as inadecuate

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1 LANGUE ET DIALOGUE - Human-machine dialogue with a significant language component INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications

Abstract : In this chapter we present a first attempt to score the relevance of multimodal referring expressions within a task oriented environment. It is based upon the application of the ecological approach to multimodal system design, which in particular implies that perception has to play a central role in the understanding of a demonstrative gesture. Experimental results are presented, together with the scores obtained by combining the linguistic characteristic of the referring expression and the properties of the corresponding gestures if any. Even if the calculus that we present is limited to contextual effects and has to be refined, it seems to be already suited to validate our approach regarding the importance of group salience and access type in the choice of a referring mode.

Keywords : Reference to objects Perception Relevance Theory

Author: Frédéric Landragin - Antonella De Angeli - Frédéric Wolff - Patrice Lopez - Laurent Romary -



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