464 search results - page 5 / 93 » Subsystem Based Generalizations of Rough Set Approximations |
RSCTC
2004
Springer
15 years 2 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...
FSS
2007
14 years 9 months ago
2007
Formal concept analysis and rough set theory are two important tools in knowledge representation and knowledge discovery in relational information systems. The purpose of this pap...
TSDM
2000
15 years 29 days ago
2000
In this paper I define spatio-temporal regions as pairs consisting of a spatial and a temporal component and I define topological relations between them. Using the notion of rough ...
RSCTC
1998
Springer
15 years 1 months ago
1998
Springer
This paper reviews and discusses generalizations of Pawlak rough set approximation operators in mathematical systems, such as topological spaces, closure systems, lattices, and pos...
IJAR
2006
14 years 9 months ago
2006
In this paper we present a multi-scale method based on the hybrid notion of rough fuzzy sets, coming from the combination of two models of uncertainty like vagueness by handling r...