"Look-to-talk" is a gaze-aware interface for directing a spoken
utterance to a software agent in a multiuser collaborative
environment. Through a prototype and a Wizard-of-Oz (WOz) experiment,
we showed that "look-totalk" is indeed a natural alternative to speech
and other paradigms.
Alice Oh, Harold Fox, Max Van Kleek, Aaron Adler, Krzysztof Gajos, Louis-Philippe Morency, and Trevor Darrell. Evaluating look-to-talk: a gaze-aware interface in a collaborative environment. In CHI '02: CHI '02 extended abstracts on Human factors in computing systems, pages 650-651, New York, NY, USA, 2002. ACM Press.