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Abductive Explanation of Dialogue Misunderstandings

, and . In 6th Conference of the European Chapter of the Association for Computational Linguistics, Proceedings of the Conference, page 277--286. (1993)

Abstract

To respond to an utterance, a listener must interpret what others have said and why they have said it. Misunderstandings occur when agents differ in their beliefs about what has been said or why. Our work combines intentional and social accounts of discourse, unifying theories of speech act production, interpretation, and the repair of misunderstandings. A unified theory has been developed by characterizing the generation of utterances as default reasoning and using abduction to characterize interpretation and repair. 1 Introduction When agents participate in a dialogue, they bring to it different beliefs and goals. These differences can lead them to make different assumptions about one another's actions, construct different interpretations of discourse objects, or produce utterances that are either too specific or too vague for others to interpret as intended. As a result, agents may fail to understand some part of the dialogue---or unknowingly diverge in their understanding of it--...

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