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A Commonsense-Enhanced Document-Grounded Conversational Agent: A Case Study on Task-Based Dialogue

Strathearn, Carl; Gkatzia, Dimitra

Authors



Contributors

Mourad Abbas
Editor

Abstract

This paper argues that future dialogue systems must retrieve relevant information from multiple structured and unstructured data sources in order to generate natural and informative responses as well as exhibit commonsense capabilities and flexibility in dialogue management. To this end, we firstly review recent methods in document-grounded dialogue systems (DGDS) and commonsense-enhanced dialogue systems and then demonstrate how these techniques can be combined in a unified, commonsense-enhanced document-grounded dialogue system (CDGDS). As a case study, we use the Task2Dial dataset, a newly collected dataset which contains instructional conversations between an information giver (IG) and information follower (IF) in the cooking domain. We then propose a novel architecture for commonsense-enhanced document-grounded conversational agents, demonstrating how to incorporate various sources to synergistically achieve new capabilities in dialogue systems. Finally, we discuss the implications of our work for future research in this area.

Acceptance Date Mar 18, 2022
Online Publication Date Aug 4, 2022
Publication Date 2023-04
Deposit Date Mar 21, 2022
Publicly Available Date Aug 5, 2023
Publisher Springer
Pages 123-144
Series Title Signals and Communication Technology
Series ISSN 1860-4870
Book Title Analysis and Application of Natural Language and Speech Processing
ISBN 978-3-031-11034-4
DOI https://doi.org/10.1007/978-3-031-11035-1_6
Public URL http://researchrepository.napier.ac.uk/Output/2856167

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