Interactive Voice Technology for Telecommunications Applications (IVTTA'98) Torino, Italy September 29-30, 1998

The LIMSI ARISE System

Lori Lamel (1), S. Rosset (1), Jean-Luc Gauvain (1), S. Bennacef (1), M. Garnier-Rizet (2), B. Prouts (2)

(1) Spoken Language Processing Group, LIMSI-CNRS, Orsay, France
(2) VECSYS, Courtaboeuf, France

The LIMSI Arise system provides vocal access to rail travel information for main French intercity connections, including timetables, simulated fares and reservations, reductions and services. Our goal is to obtain high dialog success rates with a very open structure, where the user is free to ask any question or to provide any information at any point in time. In order to improve performance with such an open dialog strategy, we make use of implicit confirmation using the callers wording (when possible), and change to a more constrained dialog level when the dialog is not going well. The same system architecture is being used to develop a French/English prototype timetable service for the high speed trains between Paris and London.

Full Paper

Bibliographic reference.  Lamel, Lori / Rosset, S. / Gauvain, Jean-Luc / Bennacef, S. / Garnier-Rizet, M. / Prouts, B. (1998): "The LIMSI ARISE system", In IVTTA'98, 209-214.