Proceedings of the 1st International Conference on Embedded Networked Sensor Systems 2003
DOI: 10.1145/958491.958502
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An evaluation of multi-resolution storage for sensor networks

Abstract: Wireless sensor networks enable dense sensing of the environment, offering unprecedented opportunities for observing the physical world. Centralized data collection and analysis adversely impact sensor node lifetime. Previous sensor network research has, therefore, focused on in network aggregation and query processing, but has done so for applications where the features of interest are known a priori. When features are not known a priori, as is the case with many scientific applications in dense sensor arrays… Show more

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Cited by 162 publications
(49 citation statements)
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“…TSAR is different from our design in that storage is not a cooperative activity among nodes. DIMENSIONS [7] is another system that is designed to store long-term information by constructing summaries at different spatial resolutions using various compression techniques. Our previous work EnviroStore [19] presents a storage service that tries to maximize the effective storage capactiy of disconnected sensor networks, but it focuses on how to take the best advantage of uploading opportunities when data mules [27] become close.…”
Section: ) Acoustic Applicationsmentioning
confidence: 99%
“…TSAR is different from our design in that storage is not a cooperative activity among nodes. DIMENSIONS [7] is another system that is designed to store long-term information by constructing summaries at different spatial resolutions using various compression techniques. Our previous work EnviroStore [19] presents a storage service that tries to maximize the effective storage capactiy of disconnected sensor networks, but it focuses on how to take the best advantage of uploading opportunities when data mules [27] become close.…”
Section: ) Acoustic Applicationsmentioning
confidence: 99%
“…Ganesan et al [26,25] proposed in-network storage of wavelet-based summaries of sensor data. Recently, discrete wavelet transform (DWT) was also proposed in [53,7] for sensor data compression.…”
Section: Discrete Wavelet Transformmentioning
confidence: 99%
“…构建索引是指在数据存储时建立索引,而查询访问可通过索引获得数据,典型代表是 DIM [10] ,DIFS [11] 和 DIMENSIONS [12] .DIM [10] 不仅采用特殊性质的哈希函数来确定数据存放位置,而且引入了数据库中的索引结构 …”
Section: 相关工作unclassified