Task-oriented user modeling method and its application to service navigation on the web

  • Authors:

  • Munehiko Sasajima;Yoshinobu Kitamura;Riichiro Mizoguchi

  • Affiliations:

  • I.S.I.R, Osaka University, Ibaraki-shi, Osaka, Japan;I.S.I.R, Osaka University, Ibaraki-shi, Osaka, Japan;I.S.I.R, Osaka University, Ibaraki-shi, Osaka, Japan

  • Venue:
  • DASFAA'10 Proceedings of the 15th international conference on Database systems for advanced applications
  • Year:
  • 2010

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Abstract

Value of information accumulated on the Web should be enhanced if it is provided to the user who just faces to a problematic situation which can be solved by the information. The authors have been investigating a task-oriented menu, which enables users to search for mobile internet services not by category but by situation of the users. Construction of the task-oriented menu is based on a user modeling method which supports descriptions of user activities, such as task execution and defeating obstacles encountered during the task, which in turn represents users' situations and/or needs for certain information. We have built task models of the mobile users which covered about 97% of the assumed situations of mobile internet services. Then we reorganized "contexts" in the model and designed a menu hierarchy from the view point of the task. We have linked the designed menu to the set of actual mobile internet service sites included in the i-mode service operated by NTT docomo, consists of 5016 services. Among them, 4817 services are properly connected to the menu. This paper introduces a framework for real scale task-oriented menu system for mobile service navigation with its relations to the SNS applications as knowledge resources.