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Fjording the Stream: An Architecture for Queries over Streaming Sensor Data (2002)

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by Samuel Madden , Michael J. Franklin
Citations:281 - 8 self
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BibTeX

@MISC{Madden02fjordingthe,
    author = {Samuel Madden and Michael J. Franklin},
    title = {Fjording the Stream: An Architecture for Queries over Streaming Sensor Data},
    year = {2002}
}

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Abstract

If industry visionaries are correct, our lives will soon be full of sensors, connected together in loose conglomerations via wireless networks, each monitoring and collecting data about the environment at large. These sensors behave very differently from traditional database sources: they have intermittent connectivity, are limited by severe power constraints, and typically sample periodically and push immediately, keeping no record of historical information. These limitations make traditional database systems inappropriate for queries over sensors. We present the Fjords architecture for managing multiple queries over many sensors, and show how it can be used to limit sensor resource demands while maintaining high query throughput. We evaluate our architecture using traces from a network of traffic sensors deployed on Interstate 80 near Berkeley and present performance results that show how query throughput, communication costs, and power consumption are necessarily coupled in sensor environments.

Keyphrases

sensor data    query throughput    multiple query    communication cost    historical information    intermittent connectivity    industry visionary    high query throughput    many sensor    sensor environment    loose conglomeration    traditional database system    severe power constraint    traditional database source    traffic sensor    fjord architecture    sensor resource demand    wireless network    present performance result    power consumption   

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