152 search results - page 23 / 31 » Supporting Streaming Updates in an Active Data Warehouse |
ICDE
2005
IEEE
14 years 9 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...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
APPEARED IN ACM PODS-2009. A sliding windows model is an important case of the streaming model, where only the most "recent" elements remain active and the rest are disc...
ANCS
2009
ACM
13 years 5 months ago
2009
ACM
The problem of maintaining efficiently a large number (say millions) of statistics counters that need to be updated at very high speeds (e.g. 40 Gb/s) has received considerable re...
PODS
2006
ACM
14 years 7 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 ...
CHI
2007
ACM
13 years 11 months ago
2007
ACM
Monitoring occurs when users return to previously viewed web pages to view new or updated information. While tools exist to support web-based monitoring, we know little about the ...