Sciweavers

227 search results - page 7 / 46
» Rough Set Methods in Approximation of Hierarchical Concepts
Sort
View
GEOINFORMATICA
2002
100views more  GEOINFORMATICA 2002»
13 years 7 months ago
Vagueness and Rough Location
This paper deals with the representation and the processing of information about spatial objects with indeterminate location like valleys or dunes (objects subject to vagueness). ...
Thomas Bittner, John G. Stell
RSCTC
2004
Springer
144views Fuzzy Logic» more  RSCTC 2004»
14 years 1 months ago
Approximation Spaces and Information Granulation
Abstract. In this paper, we discuss approximation spaces in a granular computing framework. Such approximation spaces generalise the approaches to concept approximation existing in...
Andrzej Skowron, Roman W. Swiniarski, Piotr Synak
FUIN
2006
88views more  FUIN 2006»
13 years 7 months ago
Calculi of Approximation Spaces
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...
Andrzej Skowron, Jaroslaw Stepaniuk, James F. Pete...
ICML
2005
IEEE
14 years 8 months ago
Learning approximate preconditions for methods in hierarchical plans
A significant challenge in developing planning systems for practical applications is the difficulty of acquiring the domain knowledge needed by such systems. One method for acquir...
Dana S. Nau, David W. Aha, Héctor Muñ...
FSS
2008
113views more  FSS 2008»
13 years 7 months ago
Consistency measure, inclusion degree and fuzzy measure in decision tables
Classical consistency degree has some limitations for measuring the consistency of a decision table, in which the lower approximation of a target decision is only taken into consi...
Yuhua Qian, Jiye Liang, Chuangyin Dang