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Data explosion and higher energy consumption in flooding routing of WSN is a considerable problem. A directed flooding routing mechanism according to the sensor nodespsila hop count is presented. In this paper a distributed algorithm to calculate the node-hop is designed and a data packets forwarding criterion using node-hop is constructed. With the methods the data packetspsila broadcast scale can...
During the execution of composite service, if one service component in critical path fails, or becomes overloaded not to be accessed, a mechanism is needed to ensure that the whole running process isn't interrupted. The failed service needs be replaced quickly and efficiently by switching to a new path. Recent researches on this problem don't consider the influence of the QoS criteria of service candidates...
Web service composition (WSC) has become core service-oriented computing technology. It is important for business process to construct a complex one with multi-dimensional QoS assurance. But there exist some problems, such as evaluation for QoS properties of service is not full-scale and the criteria is not clear, the weight for each QoS metric doesn't consider both subjective sensations and objective...
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