Towards a PURE spoken dialogue system for information access

Authors:
Rajeev Agarwal
Affiliations:
Texas Instruments Inc., Dallas, TX
Venue:
ISDS '97 Interactive Spoken Dialog Systems on Bringing Speech and NLP Together in Real Applications
Year:
1997

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Abstract

With the rapid explosion of the World Wide Web, it is becoming increasingly possible to easily acquire a wide variety of information such as flight schedules, yellow pages, used car prices, current stock prices, entertainment event schedules, account balances, etc. It would be very useful to have spoken dialogue interfaces for such information access tasks. We identify portability, usability, robustness, and extensibility as the four primary design objectives for such systems. In other words, the objective is to develop a PURE (Portable, Usable, Robust, Extensible) system. A two-layered dialogue architecture for spoken dialogue systems is presented where the upper layer is domain-independent and the lower layer is domainspecific. We are implementing this architecture in a mixed-initiative system that accesses flight arrival/departure information from the World Wide Web.