606 search results - page 4 / 122 » Memory-constrained aggregate computation over data streams |
SIAMCOMP
2002
13 years 6 months ago
2002
We consider the problem of maintaining aggregates and statistics over data streams, with respect to the last N data elements seen so far. We refer to this model as the sliding wind...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
In a massive stream of sequential events such as stock feeds, sensor readings, or IP traffic measurements, tuples pertaining to recent events are typically more important than olde...
ICDE
2004
IEEE
14 years 7 months ago
2004
IEEE
DC
2008
13 years 6 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...
EDBT
2004
ACM
14 years 6 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...