A stochastic approach to dialog management

Author

Hurtado, Lluís F. ; Griol, David ; Sanchis, Emilio ; Segarra, Encarna

Author_Institution

Dept. de Sistemes Inf. i Computacio, Univ. Politecnica de Valencia

fYear

2005

fDate

27-27 Nov. 2005

Firstpage

226

Lastpage

231

Abstract

In this article, we present an approach to the development of a stochastic dialog manager. The model used by this dialog manager to generate its turns takes into account both the last turns of the user and system, and the information supplied by the user throughout the dialog. As the space of situations that can be presented in the dialogs is too large, some techniques for reducing this space have been proposed. This system has been developed in the DIHANA project, whose goal is the design and development of a dialog system to access a railway information system using spontaneous speech in Spanish. A training corpus of 900 dialogs, that was acquired through the Wizard of Oz, was used to learn the models. An evaluation of the dialog manager is also presented

Keywords

information systems; interactive systems; natural languages; railways; speech processing; DIHANA project; dialog management; railway information system; spontaneous speech; stochastic dialog manager; Airplanes; Automatic speech recognition; Humans; Management information systems; Management training; Natural languages; Rail transportation; Speech recognition; Speech synthesis; Stochastic processes;

fLanguage

English

Publisher

ieee

Conference_Titel

Automatic Speech Recognition and Understanding, 2005 IEEE Workshop on

Conference_Location

San Juan

Print_ISBN

0-7803-9478-X

Electronic_ISBN

0-7803-9479-8

Type

conf

DOI

10.1109/ASRU.2005.1566518

Filename

1566518