Authors: Huang, Hung-Hsuan¹; Furukawa, Takuya¹; Ohashi, Hiroki¹; Nishida, Toyoaki¹; Cerekovic, Aleksandra²; Pandzic, Igor S.²; Nakano, Yukiko³

Source: International Journal of Intelligent Information and Database Systems, Volume 4, Number 6, November 2010 , pp. 579-598(20)

Publisher: Inderscience Publishers

Abstract:

This paper presents two approaches to achieve attentiveness of a virtual quiz agent in the interactions with multiple users at the same time. One attempts to improve the agent with an utterance strategy to determine whether, when, and whom to suggest the users the availability of hints or to urge the users to answer. In the other one, a transition state model presenting the agent's attitude that allows the agent to perform meaningful idle motions is introduced. The transition model is obtained in a Wizard-of-Oz (WOZ) experiment and is learned with support vector machine (SVM). These two prototype systems are evaluated with an automatic attitude test, go/no-go task (GNAT) and regular questionnaires. From the joint results of the evaluation subject experiments, the direction of finding an appropriate triggering timing of the agent's behaviours is proved to be effective.

Keywords: COMPUTING AND MATHEMATICS; Computing Science, Applications and Software; SCIENCE, ENGINEERING AND TECHNOLOGY; Electronic Systems, Control and Artificial Intelli; COMPUTING AND MATHEMATICS; Information Systems and Technology

Document Type: Research article

DOI: http://dx.doi.org/10.1504/IJIIDS.2010.036896

Affiliations: 1: Graduate School of Informatics, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan. 2: Faculty of Electrical Engineering and Computing, Department of Telecommunications, University of Zagreb, Unska 3, 10000 Zagreb, Croatia. 3: Department of Computer and Information Science, Seikei University, Kichijyoji Kita-machi 3-3-1, Musashino-shi, Tokyo 180-8633, Japan

Publication date: 2010-11-01

More about this publication?

• Intelligent information systems and intelligent database systems are a very dynamically developing field in computer sciences. International Journal of Intelligent Information and Database Systems provides a medium for exchanging scientific research and technological achievements accomplished by the international community. It focuses on research in applications of advanced intelligent technologies for data storing and processing in a wide-ranging context.

  The issues addressed by International Journal of Intelligent Information and Database Systems involve solutions of real-life problems, in which it is necessary to apply intelligent technologies for achieving effective results. The emphasis of the reported work is on new and original research and technological developments rather than reports on the application of existing technology to different sets of data.

  International Journal of Intelligent Information and Database Systems is a double-blind refereed and authoritative reference dealing with working and potential intelligent database systems theories and applications as well as emerging issues of interest to professionals and academics.

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