387 search results - page 4 / 78 » Mining Approximative Descriptions of Sets Using Rough Sets |
IJAR
2008
13 years 7 months ago
2008
This paper reviews probabilistic approaches to rough sets in granulation, approximation, and rule induction. The Shannon entropy function is used to quantitatively characterize pa...
TSMC
2010
13 years 2 months ago
2010
The original rough-set model is primarily concerned with the approximations of sets described by a single equivalence relation on a given universe. With granular computing point of...
ISMIS
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Subsystem based generalizations of rough set approximations are investigated. Instead of using an equivalence relation, an arbitrary binary relation is used to construct ...
RSCTC
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Many learning methods ignore domain knowledge in synthesis of concept approximation. We propose to use hierarchical schemes for learning approximations of complex concept...
KDD
1995
ACM
13 years 11 months ago
1995
ACM
An attribute-oriented rough set method for knowledgediscovery in databases is described. Themethodis based on information generalization, whichexaminesthe data at various levels o...