305 search results - page 12 / 61 » Role mining based on weights |
SSPR
2000
Springer
13 years 11 months ago
2000
Springer
To improve weak classifiers bagging and boosting could be used. These techniques are based on combining classifiers. Usually, a simple majority vote or a weighted majority vote are...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Abstract-- A decomposition of a binary matrix into two matrices gives a set of basis vectors and their appropriate combination to form the original matrix. Such decomposition solut...
GECCO
2003
Springer
14 years 25 days ago
2003
Springer
This paper presents an approach for classifying students in order to predict their final grade based on features extracted from logged data in an education web-based system. A comb...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
Spatial data mining is the discovery of interesting relationships and characteristics that may exist implicitly in spatial databases. In this paper, we explore whether clustering ...
DMIN
2009
13 years 5 months ago
2009
In high dimensional data sets not all dimensions contain an equal amount of information and most of the time global features are more important than local differences. This makes ...