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Service modeling and composition is a fundamental method for offering advanced functionality by combining a set of primitive services provided by the system. Unlike in the case of web services for which there is an abundance of reliable resources, in sensor networks, the resources are constrained and communication among nodes is error-prone and unreliable. Such a dynamic environment requires a continuous...
In energy constrained wireless sensor networks, it is important that a routing protocol provides network redundancy and reliability at a minimum energy consumption cost. To satisfy these conflicting constraints, wireless sensor networks (WSN) routing protocols generally employ a clustering algorithm in which the entire network does not have to be active at all times. In this paper, we propose a novel...
GEM is an ingenious routing algorithm for wireless sensor networks that is based on the idea of graph embedding. However, it cannot survive edge failures well because reliability was not taken into consideration seriously when it was designed. In this paper, we propose UD-GEM, a GEM-based multi-path routing algorithm that improves the reliability performance of GEM significantly. Specifically, in...
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