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How do System Questions Influence Lexical Choices in User Answers?
KTH, Superseded Departments, Speech, Music and Hearing.ORCID iD: 0000-0002-0397-6442
1997 (English)In: Proceedings of Eurospeech 97, 1997, 2275-2278 p.Conference paper, Published paper (Other academic)
Abstract [en]

This paper describes some studies on the effect of the system vocabulary on the lexical choices of the users. There are many theories about human-human dialogues that could be useful in the design of spoken dialoguesystems. This paper will give an overview of some of these theories and report the results from two experiments that examines one of these theories, namely lexical entrainment. The first experiment was a small Wizard of Oz-test that simulated a tourist informationsystem with a speech interface, and the second experiment simulated a system with speech recognition that controlled a questionnaire about peoples plans for their vacation. Both experiments show that the subjects mostly adapt their lexical choices to the system questions. Only in less than 5% of the cases did they use an alternative main verb in the answer. These results encourage us to investigate the possibility to add anadaptive language model in the speech recognizer in our dialogue system, where the probabilities for the words used in the system questions are increased.

Place, publisher, year, edition, pages
1997. 2275-2278 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-13323OAI: oai:DiVA.org:kth-13323DiVA: diva2:323617
Note
QC 20100611Available from: 2010-06-11 Created: 2010-06-11 Last updated: 2010-06-11Bibliographically approved
In thesis
1. Developing Multimodal Spoken Dialogue Systems: Empirical Studies of Spoken Human–Computer Interaction
Open this publication in new window or tab >>Developing Multimodal Spoken Dialogue Systems: Empirical Studies of Spoken Human–Computer Interaction
2002 (English)Doctoral thesis, comprehensive summary (Other scientific)
Abstract [en]

This thesis presents work done during the last ten years on developing five multimodal spoken dialogue systems, and the empirical user studies that have been conducted with them. The dialogue systems have been multimodal, giving information both verbally with animated talking characters and graphically on maps and in text tables. To be able to study a wider rage of user behaviour each new system has been in a new domain and with a new set of interactional abilities. The five system presented in this thesis are: The Waxholm system where users could ask about the boat traffic in the Stockholm archipelago; the Gulan system where people could retrieve information from the Yellow pages of Stockholm; the August system which was a publicly available system where people could get information about the author Strindberg, KTH and Stockholm; the AdAptsystem that allowed users to browse apartments for sale in Stockholm and the Pixie system where users could help ananimated agent to fix things in a visionary apartment publicly available at the Telecom museum in Stockholm. Some of the dialogue systems have been used in controlled experiments in laboratory environments, while others have been placed inpublic environments where members of the general public have interacted with them. All spoken human-computer interactions have been transcribed and analyzed to increase our understanding of how people interact verbally with computers, and to obtain knowledge on how spoken dialogue systems canutilize the regularities found in these interactions. This thesis summarizes the experiences from building these five dialogue systems and presents some of the findings from the analyses of the collected dialogue corpora.

Place, publisher, year, edition, pages
Stockholm: KTH, 2002. x, 96 p.
Series
Trita-TMH, 2002:8
Keyword
Spoken dialogue system, multimodal, speech, GUI, animated agents, embodied conversational characters, talking heads, empirical user studies, speech corpora, system evaluation, system development, Wizard of Oz simulations, system architecture, linguis
National Category
Engineering and Technology
Identifiers
urn:nbn:se:kth:diva-3460 (URN)
Public defence
2002-12-20, 00:00
Note
QC 20100611Available from: 2002-12-11 Created: 2002-12-11 Last updated: 2010-06-11Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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Output format
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