223 search results - page 25 / 45 » Approximate Frequency Counts over Data Streams |
AUSDM
2007
Springer
15 years 3 months ago
2007
Springer
Data streams are usually generated in an online fashion characterized by huge volume, rapid unpredictable rates, and fast changing data characteristics. It has been hence recogniz...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
Emerging data stream management systems approach the challenge of massive data distributions which arrive at high speeds while there is only small storage by summarizing and minin...
157
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
140
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
We consider the the problem of tracking heavy hitters and quantiles in the distributed streaming model. The heavy hitters and quantiles are two important statistics for characteri...
86
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ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— This paper addresses soft estimation of time-varying frequency selective channels using Kalman smoothing. The proposed estimator uses soft extrinsic information provided by a c...