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Bustince, H. ; Barrenechea, E. ; Fernández, J. ; Pagola, M. ; Montero, Javier ; Guerra, C. | Elsevier Science INC | 2010In this paper we address a key problem in many fields: how a structured data set can be analyzed in order to take into account the neighborhood of each individual datum. We propose representing the dataset as a fuzzy relation, associating a memb[...]texto impreso
Bustince, H. ; Barrenechea, E. ; Fernández, J. ; Pagola, M. ; Montero, Javier | Springer International Publishing | 2015In this work we introduce a method for building interval-valued negations using the characterization theorem for strong negations which was proposed by Trillas in 1979. We also show that interval type-2 fuzzy sets are a three dimensional represe[...]texto impreso
In this paper we study in depth certain properties of interval type 2 fuzzy sets. In particular we recall a method to construct different interval type 2 fuzzy connectives starting from an operator. We further study the law of contradiction and [...]texto impreso
Gómez, Daniel ; Rodríguez, Juan Tinguaro ; Montero, Javier ; Bustince, H. ; Barrenechea, E. | Elsevier | 2014In this paper we introduce the definition of n-dimensional overlap functions and we justify the axiomatization proposed in its definition. Basically, these functions allow to measure the degree of overlapping of several classes in a given classi[...]texto impreso
Montero, Javier ; Bustince, H. ; Franco, C. ; Rodríguez, Juan Tinguaro ; Gómez, Daniel ; Pagola, M. ; Fernández, J. ; Barrenechea, E. | Elservier | 2016In this position paper we propose a consistent and unifying view to all those basic knowledge representation models that are based on the existence of two somehow opposite fuzzy concepts. A number of these basic models can be found in fuzzy logi[...]
