315 search results - page 59 / 63 » Runtime Optimization of Continuous Queries |
ICDE
2009
IEEE
14 years 4 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
2005
IEEE
14 years 11 months ago
2005
IEEE
Distributed and parallel computing environments are becoming cheap and commonplace. The availability of large numbers of CPU's makes it possible to process more data at highe...
STOC
2001
ACM
14 years 10 months ago
2001
ACM
Histograms are typically used to approximate data distributions. Histograms and related synopsis structures have been successful in a wide variety of popular database applications...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
DEBS
2003
ACM
14 years 3 months ago
2003
ACM
We present a design of a distributed publish-subscribe system that extends the functionality of messaging middleware with “relational subscriptions”, to support timely updates...