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Stephen Sutton


Publications by Stephen Sutton (bibliography)

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Sutton, Stephen and Cole, Ronald (1997): The CSLU Toolkit: Rapid Prototyping of Spoken Language Systems. In: Robertson, George G. and Schmandt, Chris (eds.) Proceedings of the 10th annual ACM symposium on User interface software and technology October 14 - 17, 1997, Banff, Alberta, Canada. pp. 85-86. http://www.acm.org/pubs/articles/proceedings/uist/263407/p85-sutton/p85-sutton.pdf

Research and development of spoken language systems is currently limited to relatively few academic and industrial laboratories. This is because building such systems requires multidisciplinary expertise, sophisticated development tools, specialized language resources, substantial computer resources and advanced technologies such as speech recognition and text-to-speech synthesis. At the Center for Spoken Language Understanding (CSLU), our mission is to make spoken language systems commonplace. To do so requires that the technology become less exclusive, more affordable and more accessible. An important step towards satisfying this goal is to place the development of spoken language systems in the hands of real domain experts rather than limit it to technical specialists. To address this problem, we have developed the CSLU Toolkit, an integrated software environment for research and development of telephone-based spoken language systems (Sutton et al., 1996; Schalkwyk, et al., 1997). It is designed to support a wide range of research and development activities, including data capture and analysis, corpus development, multilingual recognition and understanding, dialogue design, speech synthesis, speaker recognition and language recognition, and systems evaluation among others. In addition, the Toolkit provides an excellent environment for learning about spoken language technology, providing opportunities for hands-on learning, exploration and experimentation. It has been used as a basis for several short courses in which students have produced a wide range of interesting spoken language applications, such as voice mail, airline reservation and browsing the worldwide web by voice (Colton et al., 1996, Sutton et al., 1997).

© All rights reserved Sutton and Cole and/or ACM Press

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Hansen, Brian, Novick, David G. and Sutton, Stephen (1996): Systematic Design of Spoken Prompts. In: Tauber, Michael J., Bellotti, Victoria, Jeffries, Robin, Mackinlay, Jock D. and Nielsen, Jakob (eds.) Proceedings of the ACM CHI 96 Human Factors in Computing Systems Conference April 14-18, 1996, Vancouver, Canada. pp. 157-164. http://www.acm.org/sigchi/chi96/proceedings/papers/Hansen/hb_txt.html

Designers of system prompts for interactive spoken-language systems typically seek 1) to constrain users so that they say things that the system can understand accurately and 2) to produce "natural" interaction that maximizes users' satisfaction. Unfortunately, these goals are often at odds. We present a set of heuristics for choosing appropriate prompt styles and show that a set of dimensions can be formulated from these heuristics. A point (or region) in the space formed by these dimensions is a "style" for prompts. We develop and apply metrics for empirically testing different prompt styles. Finally, we describe a toolkit that automatically generates prompts in a variety of styles for spoken-language dialogues.

© All rights reserved Hansen et al. and/or ACM Press

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