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A quorum system is formed by organizing nodes into subsets called quorums, where every two quorums intersect and no quorum includes another quorum. The quorum system reduces the access cost per operation, to balance the load, and to improve the system scalability. All of these properties make quorum systems particularly attractive for large-scale sensor(More)
How to get a better balance between the push and pull of the event data is the common goal of the various data dissemination algorithms in wireless sensor networks (WSNs). At this basis, the load of the system hotspot should be further decreased and the number of the event data replicas should be reduced. In the paper, two well-known typical structured and(More)
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