294 search results - page 15 / 59 » Approximate query processing using wavelets |
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Wireless broadcast is an efficient way for information dissemination due to its good scalability [10]. Existing works typically assume mobile devices, such as cell phones and PDAs...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
JUCS
2006
13 years 7 months ago
2006
: A sequence of increasing translation invariant subspaces can be defined by the Haar-system (or generally by wavelets). The orthogonal projection to the subspaces generates a deco...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In the field of detection and monitoring of dynamic objects in quasi-static scenes, background subtraction techniques where background is modeled at pixel-level, although showing ...