223 search results - page 12 / 45 » Approximate Frequency Counts over Data Streams |
153
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EDBT
2011
ACM
14 years 1 months ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
172
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GIS
2007
ACM
15 years 10 months ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
154
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
Monitoring data streams in a distributed system is the focus of much research in recent years. Most of the proposed schemes, however, deal with monitoring simple aggregated values...
170
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Abstract-- We investigate the problem of clustering on distributed data streams. In particular, we consider the k-median clustering on stream data arriving at distributed sites whi...
PODS
2006
ACM
15 years 9 months ago
2006
ACM
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...