604 search results - page 4 / 121 » Aggregate Computation over Data Streams |
156
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DC
2008
14 years 9 months ago
2008
We study the problem of maintaining a sketch of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in wh...
111
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EDBT
2004
ACM
15 years 9 months ago
2004
ACM
There is a growing interest in on-line algorithms for analyzing and querying data streams, that examine each stream element only once and have at their disposal, only a limited amo...
KDD
2003
ACM
15 years 9 months ago
2003
ACM
Burst detection is the activity of finding abnormal aggregates in data streams. Such aggregates are based on sliding windows over data streams. In some applications, we want to mo...
EDBT
2002
ACM
15 years 9 months ago
2002
ACM
