606 search results - page 25 / 122 » Memory-constrained aggregate computation over data streams |
ICTCS
2005
Springer
14 years 8 days ago
2005
Springer
Abstract. We consider the problem of maintaining polynomial and exponential decay aggregates of a data stream, where the weight of values seen from the stream diminishes as time el...
PODS
2006
ACM
14 years 6 months ago
2006
ACM
A k-set structure over data streams is a bounded-space data structure that supports stream insertion and deletion operations and returns the set of (item, frequency) pairs in the s...
TJS
2002
13 years 6 months ago
2002
Streaming multimedia with UDP has become increasingly popular over distributed systems like the Internet. Scientific applications that stream multimedia include remote computation...
EDBT
2008
ACM
14 years 6 months ago
2008
ACM
There has been much recent interest in on-line data mining. Existing mining algorithms designed for stored data are either not applicable or not effective on data streams, where r...
TKDE
2008
13 years 6 months ago
2008
We propose a novel approach based on predictive quantization (PQ) for online summarization of multiple time-varying data streams. A synopsis over a sliding window of most recent en...