Computer Science – Computation and Language
Scientific paper
1997-11-19
Proceedings of EUROSPEECH'97, Rhodes, Greece, vol. 3, pp. 1459-1462
Computer Science
Computation and Language
5 pages, LaTeX, 4 eps figures, uses icassp91.sty, and epsf.tex
Scientific paper
This paper is focused on the language modelling for task-oriented domains and presents an accurate analysis of the utterances acquired by the Dialogos spoken dialogue system. Dialogos allows access to the Italian Railways timetable by using the telephone over the public network. The language modelling aspects of specificity and behaviour to rare events are studied. A technique for getting a language model more robust, based on sentences generated by grammars, is presented. Experimental results show the benefit of the proposed technique. The increment of performance between language models created using grammars and usual ones, is higher when the amount of training material is limited. Therefore this technique can give an advantage especially for the development of language models in a new domain.
Baggia Paolo
Popovici Cosmin
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