Ryum-Duck Oh

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Sensor network technology has evolved and been applied to many fields including environmental monitoring and construction management. Further, it has extended to the context awareness service that perceives circumstances in each applied area. In this paper, the present study analyzes the incompleteness of real-time sensor data in in-network and server(More)
Nowadays, vehicles have become a very significant role in transport which remain a major problem in most cities around the world, especially in developing regions resulting in massive delays, turn traffic congestion, increased fuel wastage and monetary losses. There are many alternative systems, but one possible solution to this problem is parking system(More)
It currently is used for situation awareness service that is perceptible on what happens in the region where USN is installed. USN environment should maximize the energy efficiency. Sensing data from a very tiny sensor node and performing operations, and utilizing limited resources. This study designs and implements Active Smart Middleware, the USN(More)
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