Task knowledge based retrieval for service relevant to mobile user's activity

  • Authors:
  • Takefumi Naganuma;Shoji Kurakake

  • Affiliations:
  • Network Laboratories, NTT DoCoMo Inc., Kanagawa, Japan;Network Laboratories, NTT DoCoMo Inc., Kanagawa, Japan

  • Venue:
  • ISWC'05 Proceedings of the 4th international conference on The Semantic Web
  • Year:
  • 2005

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Abstract

Since mobile Internet services are rapidly proliferating, finding the most appropriate service or services from among the many offered requires profound knowledge about the services which is becoming virtually impossible for ordinary mobile users. We propose a system that assists non-expert mobile users in finding the appropriate services that solve the real-world problems encountered by the user. Key components are a task knowledge base of tasks that a mobile user performs in daily life and a service knowledge base of services that can be used to accomplish user tasks. We present the architecture of the proposed system including a knowledge modeling framework, and a detailed description of a prototype system. We also show preliminary user test results; they indicate that the system allows a user to find appropriate services quicker with fewer loads than conventional commercial methods.