Dynamic help generation by estimating user's mental model in spoken dialogue systems

Yuichiro Fukubayashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

Abstract

In a speech interface, a gap between a user's mental model and actual structures of systems tends to be large because the amount of information conveyed by speech is limited. We address dynamic help generation adapted to users, to decrease the gap between them. We defined a domain concept tree as an expression of a system's actual structure. We estimated and maintained user's knowledge about the system on the tree. Every node in the tree has values representing the degree to which a user understands the concepts corresponding to the nodes. The values are updated based on the content of user's utterances and help messages the system gives. Help messages provided for users are determined by referring to the domain concept tree and identifying concepts the user does not understand. We evaluated our method by testing twelve novice subjects. Both the average time to complete tasks and the number of utterances significantly decreased because of the help messages provided by our method.

Original languageEnglish
Title of host publicationINTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP
Pages1946-1949
Number of pages4
Volume4
Publication statusPublished - 2006
Externally publishedYes
EventINTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP - Pittsburgh, PA
Duration: 2006 Sep 172006 Sep 21

Other

OtherINTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP
CityPittsburgh, PA
Period06/9/1706/9/21

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Keywords

  • Adaptive help generation
  • Novice user
  • Spoken dialogue system

ASJC Scopus subject areas

  • Computer Science(all)

Cite this

Fukubayashi, Y., Komatani, K., Ogata, T., & Okuno, H. G. (2006). Dynamic help generation by estimating user's mental model in spoken dialogue systems. In INTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP (Vol. 4, pp. 1946-1949)