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Milan Gnjatović and Dietmar Rösner (2007)

A Dialogue Strategy for Supporting the User in Spoken Human-Machine Interaction

In: Proceedings of the XII International Conference "Speech and Computer" (SPECOM 2007), pp. 708--713, Moscow, Russia, Moscow State Linguistic University.

Spoken human-machine interaction supported by state-of-the-art dialogue systems is still related to various problems that might occur in the communication. This paper addresses some aspects of design and implementation of dialogue strategies aimed to support the user to overcome such problems. We discuss which knowledge resources related to the interaction should be taken into account in order to make the system able to select and apply an appropriate dialogue strategy. We consider four interaction features: the focus of attention, the state of the task, the state of the user and the history of interaction. In addition, we report the design and the implementation of a dialogue strategy that is related to the computerized version of the Tower-of-Hanoi puzzle. We show how the interaction features can be engaged in order to conclude when to provide support to the user, what kind of support should be provided, and how to provide it.
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