291 search results - page 1 / 59 » On Generalizing Pawlak Approximation Operators |
RSCTC
1998
Springer
13 years 9 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...
FUIN
2006
13 years 4 months ago
2006
This paper considers the problem of how to establish calculi of approximation spaces. Approximation spaces considered in the context of rough sets were introduced by Zdzislaw Pawla...
ISCI
2002
13 years 4 months ago
2002
This paper presents a framework for the study of generalizing the standard notion of equivalence relation in rough set approximation space with various categories of k-step neighb...
KBS
2008
13 years 3 months ago
2008
Feature subset selection presents a common challenge for the applications where data with tens or hundreds of features are available. Existing feature selection algorithms are mai...
CAGD
2011
12 years 8 months ago
2011
This work concerns the approximation of the shape operator of smooth surfaces in R3 from polyhedral surfaces. We introduce two generalized shape operators that are vector-valued l...