Title :
Discretization of fuzzy transitive relations
Author :
Boixader, D. ; Recasens, J.
Author_Institution :
E.T.S. d´´Arquit. del Valles, Univ. Politec. de Catalunya, Sant Cugat del Valles, Spain
Abstract :
Fuzzy transitivity is a key property for many fuzzy relational structures, such as Fuzzy Preorders and Equivalences. Theoretical models for practical problems which are based on fuzzy relations make use of continuous scales, mostly the unit interval [0,1]. Practical implementation of these models though, involves their discretization into finite scales, which generally results in some loss of transitivity. In this paper we study if there are any transitivity preserving discretization strategies. Also, we evaluate the loss of transitivity in some commonly used discretization approaches
Keywords :
fuzzy set theory; fuzzy equivalence; fuzzy preorder; fuzzy relational structure; fuzzy transitive relation discretization; fuzzy transitivity; transitivity preserving discretization strategy; Additives; Computational modeling; Conferences; Context; Finite element methods; Fuzzy logic; Generators; T-transitivity; fuzzy equivalence; fuzzy relation; indistinguishability operator;
Conference_Titel :
Fuzzy Systems (FUZZ), 2011 IEEE International Conference on
Conference_Location :
Taipei
Print_ISBN :
978-1-4244-7315-1
Electronic_ISBN :
1098-7584
DOI :
10.1109/FUZZY.2011.6007635