Abductive understanding of dialogues about joint activities

Author:

Langley Pat1,Meadows Ben2,Gabaldon Alfredo3,Heald Richard2

Affiliation:

1. Carnegie Mellon University/University of Auckland

2. University of Auckland

3. Carnegie Mellon University

Abstract

This paper examines the task of understanding dialogues in terms of the mental states of the participating agents. We present a motivating example that clarifies the challenges this problem involves and then outline a theory of dialogue interpretation based on abductive inference of these unobserved beliefs and goals, incremental construction of explanations, and reliance on domain-independent knowledge. After this, we describe UMBRA, an implementation of the theory that embodies these assumptions. We report experiments with the system that demonstrate its ability to accurately infer the conversants’ mental states even when some speech acts are unavailable. We conclude by reviewing related research on dialogue and discussing avenues for future study.

Publisher

John Benjamins Publishing Company

Subject

Human-Computer Interaction,Linguistics and Language,Animal Science and Zoology,Language and Linguistics,Communication

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2. Belief ascription, metaphor, and intensional identification

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2. A tale of many explanations;Proceedings of the 31st Annual ACM Symposium on Applied Computing;2016-04-04

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