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APAL
2004
111views more  APAL 2004»
13 years 6 months ago
Concept lattices and order in fuzzy logic
The theory of concept lattices (i.e. hierarchical structures of concepts in the sense of Port-Royal school) is approached from the point of view of fuzzy logic. The notions of par...
Radim Belohlávek
EUSFLAT
2003
100views Fuzzy Logic» more  EUSFLAT 2003»
13 years 7 months ago
A fuzzy analysis of a Richter theorem in fuzzy consumers
In this paper we prove that a transitive fuzzy relation R on a set X can be extended to a total transitive fuzzy relation Q on X preserving the irreflexivity of R. This generaliz...
Irina Georgescu
WILF
2005
Springer
96views Fuzzy Logic» more  WILF 2005»
13 years 11 months ago
Imprecise Temporal Interval Relations
Abstract. When the time span of an event is imprecise, it can be represented by a fuzzy set, called a fuzzy time interval. In this paper we propose a representation for 13 relation...
Steven Schockaert, Martine De Cock, Etienne E. Ker...
TFS
2008
77views more  TFS 2008»
13 years 6 months ago
Nonstationary Fuzzy Sets
In this paper, the notion termed a "nonstationary fuzzy set" is introduced, and the concept of a perturbation function that is used for generating nonstationary fuzzy set...
Jonathan M. Garibaldi, Marcin Jaroszewski, Salang ...
RSKT
2010
Springer
13 years 4 months ago
Ordered Weighted Average Based Fuzzy Rough Sets
Traditionally, membership to the fuzzy-rough lower, resp. upper approximation is determined by looking only at the worst, resp. best performing object. Consequently, when applied t...
Chris Cornelis, Nele Verbiest, Richard Jensen