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Surface and Contextual Linguistic Cues in Dialog Act Classification: A Cognitive Science View

Linders, Guido M; Louwerse, Max M (2023). Surface and Contextual Linguistic Cues in Dialog Act Classification: A Cognitive Science View. Cognitive Science, 47(10):e13367.

Abstract

What role do linguistic cues on a surface and contextual level have in identifying the intention behind an utterance? Drawing on the wealth of studies and corpora from the computational task of dialog act classification, we studied this question from a cognitive science perspective. We first reviewed the role of linguistic cues in dialog act classification studies that evaluated model performance on three of the most commonly used English dialog act corpora. Findings show that frequency‐based, machine learning, and deep learning methods all yield similar performance. Classification accuracies, moreover, generally do not explain which specific cues yield high performance. Using a cognitive science approach, in two analyses, we systematically investigated the role of cues in the surface structure of the utterance and cues of the surrounding context individually and combined. By comparing the explained variance, rather than the prediction accuracy of these cues in a logistic regression model, we found that (1) while surface and contextual linguistic cues can complement each other, surface linguistic cues form the backbone in human dialog act identification, (2) with word frequency statistics being particularly important for the dialog act, and (3) the similar trends across corpora, despite differences in the type of dialog, corpus setup, and dialog act tagset. The importance of surface linguistic cues in dialog act classification sheds light on how both computers and humans take advantage of these cues in speech act recognition.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Department of Comparative Language Science
Special Collections > Centers of Competence > Center for the Interdisciplinary Study of Language Evolution
Dewey Decimal Classification:890 Other literatures
490 Other languages
410 Linguistics
Scopus Subject Areas:Social Sciences & Humanities > Experimental and Cognitive Psychology
Life Sciences > Cognitive Neuroscience
Physical Sciences > Artificial Intelligence
Language:English
Date:1 October 2023
Deposited On:05 Dec 2023 13:33
Last Modified:27 Sep 2024 03:33
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:0364-0213
OA Status:Hybrid
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1111/cogs.13367
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  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)

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