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Tinydb: An acquisitional query processing system for sensor networks (2005)

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by Samuel R. Madden , Michael J. Franklin , Joseph M. Hellerstein , Wei Hong
Venue:ACM Trans. Database Syst
Citations:625 - 8 self
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BibTeX

@ARTICLE{Madden05tinydb:an,
    author = {Samuel R. Madden and Michael J. Franklin and Joseph M. Hellerstein and Wei Hong},
    title = {Tinydb: An acquisitional query processing system for sensor networks},
    journal = {ACM Trans. Database Syst},
    year = {2005},
    volume = {30},
    pages = {2005}
}

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Abstract

We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those that pertain to where, when, and how often data is physically acquired (sampled) and delivered to query processing operators. By focusing on the locations and costs of acquiring data, we are able to significantly reduce power consumption over traditional passive systems that assume the a priori existence of data. We discuss simple extensions to SQL for controlling data acquisition, and show how acquisitional issues influence query optimization, dissemination, and execution. We evaluate these issues in the context of TinyDB, a distributed query processor for smart sensor devices, and show how acquisitional techniques can provide significant reductions in power consumption on our sensor devices. Categories and Subject Descriptors: H.2.3 [Database Management]: Languages—Query languages; H.2.4 [Database Management]: Systems—Distributed databases; query processing

Keyphrases

sensor network    acquisitional query processing system    database management    power consumption    significant reduction    traditional passive system    system distributed    acquisitional technique    processing operator    sensor device    acquisitional issue influence query optimization    smart sensor device    data acquisition    distributed query processor    subject descriptor    query processing    priori existence    data collection    acquisitional query processor    acquisitional issue    simple extension   

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