The design and implementation of pie menus
Dr. Dobb's Journal
The Hotbox: efficient access to a large number of menu-items
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Context and interaction in zoomable user interfaces
AVI '00 Proceedings of the working conference on Advanced visual interfaces
Fluid interaction with high-resolution wall-size displays
Proceedings of the 14th annual ACM symposium on User interface software and technology
Embodied contextual agent in information delivering application
Proceedings of the first international joint conference on Autonomous agents and multiagent systems: part 2
Control menus: excecution and control in a single interactor
CHI '00 Extended Abstracts on Human Factors in Computing Systems
ICMI '02 Proceedings of the 4th IEEE International Conference on Multimodal Interfaces
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As a part of a project to develop a personal assistant for travellers, we have studied three types of multimodal interfaces for a PDA: 1) a combination of Control menus and vocal inputs to control zoomable user interfaces to graphical or textual databases, 2) refinement of pictures captured by the integrated camera, based on correlating a series of pictures, in order to enhance character recognition, and 3) embodied conversational agents able to communicate via synchronized speech and culturedependent nonverbal behaviors (face, gaze and gesture). We describe in this paper these three modalities and their integration in the main application.