69 search results - page 7 / 14 » Sketching asynchronous streams over a sliding window |
KDD
2010
ACM
13 years 11 months ago
2010
ACM
We study the problem of finding the k most frequent items in a stream of items for the recently proposed max-frequency measure. Based on the properties of an item, the maxfrequen...
CIKM
2004
Springer
14 years 27 days ago
2004
Springer
We explore join optimizations in the presence of both timebased constraints (sliding windows) and value-based constraints (punctuations). We present the first join solution named...
PODS
2003
ACM
14 years 7 months ago
2003
ACM
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
TKDE
2008
13 years 7 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...
VLDB
2004
ACM
14 years 25 days 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...