Attention, intentions, and the structure of discourse
Computational Linguistics
A task independent oral dialogue model
EACL '91 Proceedings of the fifth conference on European chapter of the Association for Computational Linguistics
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Present limits of speech recognition and understanding in the context of free spoken language (although with a limited vocabulary) have perverse effects on the flow of the dialogue with a system. Typically a non robust dialogue manager will fail to face with these limits and conversations will often be a failure. This paper presents some possibilities of a structural approach for handling communication failures in task-oriented oral dialogues. Several types of communication failures are presented and explained. They must be dealt with by the dialogue manager if we strike to have a robust system. The exposed strategies for handling these failures are based on a structural approach of the conversation and are implemented in the SUNDIAL system. We first recall some aspects of the model and then describe the strategies for preventing and repairing communication failure in oral conversations with a system.