Abstract

This paper on the existing spatio-temporal query processing algorithm for analysis and improvement of foundation, proposed an adaptive selection processing node algorithm and real-time aggregation method, combined with the STWin algorithm proposed a general framework, presents the adaptive selection of processing nodes for spatiotemporal query algorithm and APSTQ algorithm. The algorithm adopts adaptive strategy selection and rotation processing node, using active transfer method of real-time aggregation, which makes the algorithm of reducing energy consumption, prolonging the life cycle of sensor networks, to reduce the response time, improve the query efficiency and real time.

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