Task Context Dependency of Explanation Strategy in Instruction Dialog

Yukiko I. Nakano and Tsuneaki Kato

When an expert explains some operation to a novice, different explanation strategies are used for first time explanation, review explanation, and re-explanation for recovery from communication failure. In this paper, first by analyzing dialogue instruction dialogue corpus, we reveal how task context as well as discourse context determines tile experts’ explanation strategy, then, based on the empirical results, we also introduce a m('chanism for selecting the most appropriate utterance content and dialogue control strategy for an instruction dialogue.

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