Self-organized togetherness in a crowd group
Proceedings of the 7th International Conference on Frontiers of Information Technology
A clustering approximation mechanism based on data spatial correlation in wireless sensor networks
WTS'10 Proceedings of the 9th conference on Wireless telecommunications symposium
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In this paper, spatial data correlations are exploited to group sensor nodes into clusters of high data aggregation efficiency. The problem of selecting the set of cluster heads is defined as the weighted connected dominating set problem. Then centralized and distributed algorithms are developed to select the cluster heads. Simulation results demonstrate the effectiveness and efficiency of the designed algorithms.