159 search results - page 17 / 32 » Supporting Sliding Window Queries for Continuous Data Stream... |
SDM
2009
SIAM
14 years 5 months ago
2009
SIAM
Data stream analysis frequently relies on identifying correlations and posing conditional queries on the data after it has been seen. Correlated aggregates form an important examp...
SSD
2007
Springer
14 years 2 months ago
2007
Springer
In this paper we study the evaluation of continuous constraint queries (CCQs) for spatiotemporal streams. A CCQ triggers an alert whenever a configuration of constraints between s...
PODS
2010
ACM
14 years 1 months ago
2010
ACM
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
EDBT
2011
ACM
13 years 4 days ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...