132 search results - page 17 / 27 » Optimal approximations of the frequency moments of data stre... |
STOC
2001
ACM
15 years 12 months ago
2001
ACM
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
ICC
2009
IEEE
15 years 6 months ago
2009
IEEE
—With the co-existence of different wireless networks, which exhibit largely different bandwidth and coverage characteristics, much interest has been involved in integrating thes...
PODS
2010
ACM
15 years 4 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
104
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ICDCS
2006
IEEE
15 years 5 months ago
2006
IEEE
Global-scale attacks like viruses and worms are increasing in frequency, severity and sophistication, making it critical to detect outbursts at routers/gateways instead of end hos...
101
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ACIVS
2008
Springer
15 years 6 months ago
2008
Springer
Within a camera network, the contribution of a camera to the observations of a scene depends on its viewpoint and on the scene configuration. This is a dynamic property, as the sc...