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Context-Awareness Service Modeling of Realtime Sensor Network using Enhanced Petri-Net  

Lee, Jae-Bong (군산대학교 컴퓨터정보공학과)
Lee, Hong-Ro (군산대학교 컴퓨터정보공학과)
Publication Information
Journal of Korea Spatial Information System Society / v.12, no.1, 2010 , pp. 28-36 More about this Journal
Abstract
Some context is characterized by a single event in computing environment, but many other contexts are determined by a lot of things which occur with a space and a time. The Realtime Sensor Network context-awareness service that interacts with the physical space can have property such as time. A methodology that is specified the relationship between the contexts and the service needs to be developed to Realtime context-awareness deal with spatio-temporal. In this paper, we propose an approach which should include spatio-temporal property in the context model, and verify its effectiveness using enhanced Petri-Net. The context-awareness service modeling of Realtime Sensor Network is discussed the properties of model such as basic Petri-Net, patterned Petri-Net, or Spatio-temporal Petri-Net. The proposed methodology demonstrated using an example that is SAEMANGUEM warming watching system. The use of Spatio-temporal Petri-Net will contribute not only to develop the application but also to model the spatio-temporal context awareness.
Keywords
Realtime Sensor Network; Context-awareness; Petri-Net; Spatio-temporal;
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Times Cited By KSCI : 6  (Citation Analysis)
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