11 search results - page 2 / 3 » Dynamic Histograms for Non-Stationary Updates |
EDBT
2004
ACM
14 years 5 months ago
2004
ACM
Efficient search for nearest neighbors (NN) is a fundamental problem arising in a large variety of applications of vast practical interest. In this paper we propose a novel techniq...
SIGMOD
1999
ACM
13 years 9 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
SSDBM
2003
IEEE
13 years 10 months ago
2003
IEEE
— Many novel spatio-temporal applications deal with moving objects. In such environments, a database typically maintains the initial position and the moving function for each obj...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
Moving objects (e.g., vehicles in road networks) continuously generate large amounts of spatio-temporal information in the form of data streams. Efficient management of such strea...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
This paper addresses online learning of reference object distribution in the context of two hybrid tracking schemes that combine the mean shift with local point feature correspond...