Now showing items 1-3 of 3

    • A historical account of types of fuzzy sets and their relationships 

      Bustince Sola, Humberto Upna; Barrenechea Tartas, Edurne Upna; Pagola Barrio, Miguel Upna; Fernández Fernández, Francisco Javier Upna; Xu, Zeshui; Bedregal, Benjamin Upna; Montero, Javier; Hagras, Hani; Herrera, Francisco; Baets, Bernard de (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      In this work we review the definition and basic properties of the different types of fuzzy sets that have appeared up to now in the literature. We also analyze the relationships between them and enumerate some of the ...
    • Hyperspectral imaging using notions from type-2 fuzzy sets 

      López Maestresalas, Ainara Upna; Miguel Turullols, Laura de Upna; López Molina, Carlos Upna; Arazuri Garín, Silvia Upna; Bustince Sola, Humberto Upna; Jarén Ceballos, Carmen Upna (Springer, 2019)   Artículo / Artikulua  OpenAccess
      Fuzzy set theory has developed a prolific armamentarium of mathematical tools for each of the topics that has fallen within its scope. One of such topics is data comparison, for which a range of operators has been presented ...
    • Weak and directional monotonicity of functions on Riesz spaces to fuse uncertain data 

      Sesma Sara, Mikel Upna; Mesiar, Radko; Bustince Sola, Humberto Upna (Elsevier B.V., 2019)   Artículo / Artikulua
      In the theory of aggregation, there is a trend towards the relaxation of the axiom of monotonicity and also towards the extension of the definition to other domains besides real numbers. In this work, we join both approaches ...