11 search results - page 1 / 3 » Dynamic Histograms for Non-Stationary Updates |
IDEAS
2005
IEEE
13 years 10 months ago
2005
IEEE
In this paper, we address the problem of incrementally maintaining a histogram in response to a non-stationary update process. In relational database systems, this problem can occ...
ICDE
2000
IEEE
14 years 6 months ago
2000
IEEE
In this paper, we introduce dynamic histograms, which are constructed and maintained incrementally. We develop several dynamic histogram construction algorithms and show that they...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
BMVC
2010
13 years 2 months ago
2010
Simultaneous localization and mapping (SLAM) is a basic prerequisite in autonomous mobile robotics. Most existing visual SLAM approaches either assume a static environment, or sim...
ICPR
2002
IEEE
14 years 5 months ago
2002
IEEE
A system that performs the tracking of a human head in 3D in real time is presented. The head shape is modeled by an ellipse with a trained color histogram of skin and hair sample...