39 search results - page 6 / 8 » Join-distinct aggregate estimation over update streams |
ECCV
2004
Springer
14 years 8 months ago
2004
Springer
Visual tracking, in essence, deals with non-stationary data streams that change over time. While most existing algorithms are able to track objects well in controlled environments,...
TKDE
2010
13 years 4 months ago
2010
— The data management community has recently begun to consider declarative network routing and distributed acquisition: e.g., sensor networks that execute queries about contiguou...
SIGMOD
2005
ACM
14 years 6 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
ICDE
2009
IEEE
14 years 1 months ago
2009
IEEE
— We present SMART, a self-tuning, bandwidth-aware monitoring system that maximizes result precision of continuous aggregate queries over dynamic data streams. While prior approa...
ICDE
2007
IEEE
14 years 15 days ago
2007
IEEE
Data stream methods look at each new item of the stream, perform a small number of operations while keeping a small amount of memory, and still perform muchneeded analyses. Howeve...