Flexi-Modal and Multi-Machine User Interfaces.
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Proceedings of the 4th IEEE International Conference on Multimodal Interfaces (ICMI 2002), 2002
Interacting at a distance: measuring the performance of laser pointers and other devices.
Proceedings of the CHI 2002 Conference on Human Factors in Computing Systems: Changing our World, 2002
Interacting at a Distance Using Semantic Snarfing.
Proceedings of the Ubicomp 2001: Ubiquitous Computing, 2001