67 search results - page 3 / 14 » Approximately Processing Multi-granularity Aggregate Queries... |
ICDE
2012
IEEE
11 years 8 months ago
2012
IEEE
—On a stream of two dimensional data items (x, y) where x is an item identifier, and y is a numerical attribute, a correlated aggregate query requires us to first apply a selec...
SDM
2009
SIAM
14 years 2 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...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...
WAIM
2009
Springer
14 years 6 days ago
2009
Springer
Large amount of uncertain data is inherent in many novel and important applications such as sensor data analysis and mobile data management. A probabilistic threshold range aggrega...