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In the procedure of the wireless sensor network experiment a large amount of real-time wireless sensor network nodes are required to apperceive, collect and process the parameters of the surrounding environment in real time so that we can get detailed and accurate information about the substantial world. However, the existing nodes are expensive and complex, and they are not suitable for large-scale...
This paper presents an efficient approach for top-k query processing in wireless sensor networks (WSN) called FaVN-K. Our approach is similar to the FILA proposed by Wu et al. in that each sensor node is assigned with a value range called filter. What is different is that in FaVN-K virtual node is introduced to solve the problem of overlapping ranges. FaVN-K can achieve exact top-k result if all the...
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