Dialogos: a robust system for human-machine spoken dialogue on the telephone

This paper presents Dialogos, a real-time system for human-machine spoken dialogue on the telephone in task-oriented domains. The system has been tested in a large trial with inexperienced users and it has proved robust enough to allow spontaneous interactions both to users which get good recognition performance and to the ones which get lower scores. The robust behavior of the system has been achieved by combining the use of specific language models during the recognition phase of analysis, the tolerance toward spontaneous speech phenomena, the activity of a robust parser, and the use of pragmatic-based dialogue knowledge. This integration of the different modules allows to deal with partial or total breakdowns of the different levels of analysis. We report the field trial data of the system and the evaluation results of the overall system and of the submodules.

• Publication year

  1996

• Venue

  IEEE International Conference on Acoustics, Speech, and Signal Processing

• Publication date

  1996-12-20

• Fields of study

  Computer Science

• Identifiers
  DOI 10.1109/ICASSP.1997.596145arXiv cmp-lg/9612004
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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