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- W2021861750 abstract "We study data aggregation for region-based top-k queries in wireless sensor networks, which is one kind of internet of things. Because the energy of sensor nodes is limited and a sensor node will die if it has no energy left, one of the important targets for all protocols in wireless sensor networks is to decrease the energy consumption of the sensor nodes. For a sensor node, communication cost is much more than other kinds of energy cost such as energy cost on computation and data storage. Thus, a very efficient way to decrease the energy cost of the sensor nodes is to decrease the quality of the sensing data that will be transmitted to the base station. In this paper, we use the technique of data aggregation to achieve this goal, and propose an algorithm to construct a novel Data Aggregation Tree (DAT) in the query region. To check the efficiency of DAT, we have made a simulation on OMNET, and the results show that DAT can shrink large quality of data when they are transmitted to the base station, and the life time of the sensor networks can thus be prolonged.." @default.
- W2021861750 created "2016-06-24" @default.
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- W2021861750 date "2014-05-01" @default.
- W2021861750 modified "2023-09-25" @default.
- W2021861750 title "Enable Efficient Data Aggregation for Region-Based Top-K Queries in Wireless Sensor Networks" @default.
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- W2021861750 doi "https://doi.org/10.4028/www.scientific.net/amm.556-562.6311" @default.
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