A Context-Aware Workflow System for a Smart Home

  • Authors:
  • Yongyun Cho;Jongsun Choi;Jaeyoung Choi

  • Affiliations:
  • -;-;-

  • Venue:
  • ICCIT '07 Proceedings of the 2007 International Conference on Convergence Information Technology
  • Year:
  • 2007

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Abstract

A workflow model has been successively applied to tradi- tional computing environments such as business processes for service automation. Recently, there are many studies that have tried to adopt workflows to ubiquitous computing. A service in the ubiquitous computing environments must be executed according to a user's situation information. How- ever existing workflow systems have not yet included func- tions enough to support context-aware services for ubiqui- tous computing. In this paper, we propose a new context- aware workflow language and system for ubiquitous com- puting environments. The suggested language can specify context information on the transition constraints of a work- flow, and support various workflow functions and adaptive services. And the proposed system can offer context-aware services according to user's service demand or situation information. We verify the efficiency of the suggested sys- tem, through comparison experiments with existing work- flow systems such as FollowMe and uFlow.