Multimodal Interaction Design, Implementation and Evaluation
Spoken natural language may appeal to users in the general public since it is the main modality used, together with pointing gestures or gaze, in face-to-face human communication. Our work on multimodal human-computer interaction is based on the two following observations. On the one hand, speech- and gesture-based multimodality has been extensively studied, both from a software and an ergonomic point of view. However, speech plus graphics as an output form of multimodality has raised fewer research studies, especially regarding the utility and

