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The design of an acquisitional query processor for sensor networks
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Source International Conference on Management of Data archive
Proceedings of the 2003 ACM SIGMOD international conference on Management of data table of contents
San Diego, California
SESSION: Sensor databases table of contents
Pages: 491 - 502  
Year of Publication: 2003
ISBN:1-58113-634-X
Authors
Samuel Madden  UC Berkeley
Michael J. Franklin  UC Berkeley
Joseph M. Hellerstein  UC Berkeley
Wei Hong  Intel Research, Berkeley
Sponsor
SIGMOD: ACM Special Interest Group on Management of Data
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 12,   Downloads (12 Months): 203,   Citation Count: 150
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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.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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CITED BY  150

Collaborative Colleagues:
Samuel Madden: colleagues
Michael J. Franklin: colleagues
Joseph M. Hellerstein: colleagues
Wei Hong: colleagues