110 search results - page 19 / 22 » Optimizing In-Order Execution of Continuous Queries over Str... |
MOBIHOC
2008
ACM
14 years 8 months ago
2008
ACM
In many emerging applications, data streams are monitored in a network environment. Due to limited communication bandwidth and other resource constraints, a critical and practical...
IDEAS
2005
IEEE
14 years 2 months ago
2005
IEEE
Adaptive operator scheduling algorithms for continuous query processing are usually designed to serve a single performance objective, such as minimizing memory usage or maximizing...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
The goal of this paper is to monitor numerical streams, and to find subsequences that are similar to a given query sequence, under the DTW (Dynamic Time Warping) distance. Applica...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
SSDBM
2005
IEEE
14 years 2 months ago
2005
IEEE
This paper introduces a framework for Phenomena Detection and Tracking (PDT, for short) in sensor network databases. Examples of detectable phenomena include the propagation over ...