72 search results - page 2 / 15 » Continuous Monitoring of Distributed Data Streams over a Tim... |
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
We consider the problem of resource sharing when processing large numbers of continuous queries. We specifically address sliding-window aggregates over data streams, an important...
PODS
2006
ACM
14 years 5 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
ADC
2010
Springer
12 years 12 months ago
2010
Springer
Aggregation against distinct objects has been involved in many real applications with the presence of duplicates, including real-time monitoring moving objects. In this paper, we ...
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...
SSDBM
2003
IEEE
13 years 10 months ago
2003
IEEE
Although traditional databases and data warehouses have been exploited widely to manage persistent data, a large number of applications from sensor network need functional support...