315 search results - page 52 / 63 » Runtime Optimization of Continuous Queries |
109
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AAAI
2007
15 years 2 months ago
2007
In many sensing applications we must continuously gather information to provide a good estimate of the state of the environment at every point in time. A robot may tour an environ...
198
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
SSDBM
2005
IEEE
15 years 5 months ago
2005
IEEE
This paper introduces a framework for Phenomena Detection and Tracking (PDT, for short) in sensor network databases. Examples of detectable phenomena include the propagation over ...
178
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SIGMOD
2008
ACM
16 years 11 months ago
2008
ACM
Virtual machine monitors are becoming popular tools for the deployment of database management systems and other enterprise software applications. In this paper, we consider a commo...
104
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MOBIDE
2009
ACM
15 years 6 months ago
2009
ACM
The explosive growth of location-detection devices, wireless communications, and mobile databases has resulted in the realization of location-based services as commercial products...