793 search results - page 67 / 159 » Continuously adaptive continuous queries over streams |
145
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
— We present SMART, a self-tuning, bandwidth-aware monitoring system that maximizes result precision of continuous aggregate queries over dynamic data streams. While prior approa...
152
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JUCS
2010
14 years 11 months ago
2010
: We address the question of how to communicate among distributed processes values such as real numbers, continuous functions and geometrical solids with arbitrary precision, yet e...
171
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SIGIR
2009
ACM
15 years 11 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
294
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ICDE
2004
IEEE
16 years 5 months ago
2004
IEEE
Moving objects (e.g., vehicles in road networks) continuously generate large amounts of spatio-temporal information in the form of data streams. Efficient management of such strea...
135
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DASFAA
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract. Moving object environments are characterized by large numbers of objects continuously sending location updates. At times, data arrival rates may spike up, causing the loa...