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Comparing spoken dialog corpora collected with recruited subjects versus real users

Ai, H and Raux, A and Bohus, D and Eskenazi, M and Litman, D (2007) Comparing spoken dialog corpora collected with recruited subjects versus real users. In: UNSPECIFIED.

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Abstract

Empirical spoken dialog research often involves the collection and analysis of a dialog corpus. However, it is not well understood whether and how a corpus of dialogs collected using recruited subjects differs from a corpus of dialogs obtained from real users. In this paper we use Let's Go Lab, a platform for experimenting with a deployed spoken dialog bus information system, to address this question. Our first corpus is collected by recruiting subjects to call Let's Go in a standard laboratory setting, while our second corpus consists of calls from real users calling Let's Go during its operating hours. We quantitatively characterize the two collected corpora using previously proposed measures from the spoken dialog literature, then discuss the statistically significant similarities and differences between the two corpora with respect to these measures. For example, we find that recruited subjects talk more and speak faster, while real users ask for more help and more frequently interrupt the system. In contrast, we find no difference with respect to dialog structure. © 2007 Association for Computational Linguistics.


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Details

Item Type: Conference or Workshop Item (UNSPECIFIED)
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Ai, H
Raux, A
Bohus, D
Eskenazi, M
Litman, Ddlitman@pitt.eduDLITMAN
Centers: University Centers > Learning Research and Development Center (LRDC)
Date: 1 December 2007
Date Type: Publication
Journal or Publication Title: Proceedings of the 8th SIGdial Workshop on Discourse and Dialogue
Page Range: 124 - 131
Event Type: Conference
Schools and Programs: Dietrich School of Arts and Sciences > Computer Science
Dietrich School of Arts and Sciences > Intelligent Systems
Refereed: Yes
ISBN: 9789074029322
Date Deposited: 21 Nov 2014 20:14
Last Modified: 02 Feb 2019 15:59
URI: http://d-scholarship.pitt.edu/id/eprint/23198

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