Role-Task model for advanced task-based service navigation system

Authors:
Yusuke Fukazawa;Takefumi Naganuma;Kunihiro Fujii;Shoji Kurakake
Affiliations:
NTT DoCoMo R&D Center, Network Laboratories, NTT DoCoMo, Inc., Kanagawa, Japan;NTT DoCoMo R&D Center, Network Laboratories, NTT DoCoMo, Inc., Kanagawa, Japan;NTT DoCoMo R&D Center, Network Laboratories, NTT DoCoMo, Inc., Kanagawa, Japan;NTT DoCoMo R&D Center, Network Laboratories, NTT DoCoMo, Inc., Kanagawa, Japan
Venue:
KES'06 Proceedings of the 10th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part I
Year:
2006

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Abstract

This paper presents a system to navigate a user to appropriate services that help the user to perform real world activities. User activities are modeled as task of solving problems met in the real world. Tasks are decomposed into a set of more concrete tasks, and are finally associated with appropriate services. User tasks are categorized according to the role of the user performing the tasks. A model of changes in appropriate tasks to match changes in the user's role is also proposed. Based on this role-task model, we propose an advanced service navigation system that recommends tasks relevant to the current role of the user in addition to the user's current location. This paper also describes an implemented service navigation prototype that can automatically detect changes in user role by using contactless IC card readers.