Recent Submissions

  • d-XC integrals: on the generalization of the expanded form of the Choquet integral by restricted dissimilarity functions and their applications 

    Wieczynski, Jonata; Fumanal Idocin, Javier Upna Orcid; Lucca, Giancarlo; Borges, Eduardo N.; Asmus, Tiago Upna Orcid; Emmendorfer, Leonardo R.; Bustince Sola, Humberto Upna Orcid; Pereira Dimuro, Graçaliz Upna Orcid (IEEE, 2022)   Artículo / Artikulua
    Restricted dissimilarity functions (RDFs) were introduced to overcome problems resulting from the adoption of the standard difference. Based on those RDFs, Bustince et al. introduced a generalization of the Choquet integral ...
  • Positron emission tomography image segmentation based on atanassov's intuitionistic fuzzy sets 

    Couto, Pedro; Bento, Telmo; Bustince Sola, Humberto Upna Orcid; Melo-Pinto, Pedro (MDPI, 2022)   Artículo / Artikulua  OpenAccess
    In this paper, we present an approach to fully automate tumor delineation in positron emission tomography (PET) images. PET images play a major role in medicine for in vivo imaging in oncology (PET images are used to ...
  • Is the phenotype designation by PSP-MDS criteria stable throughout the disease course and consistent with tau distribution? 

    Sánchez Ruiz de Gordoa, Javier Upna Orcid; Zelaya Huerta, María Victoria Upna Orcid; Tellechea-Aramburo, Paula; Acha Santamaría, Blanca Upna Orcid; Roldán, Miren; Lopez Molina, Carlos; Coca, Valle; Galbete Jiménez, Arkaitz Upna Orcid; Mendioroz, Maite; Erro, M. Elena (Frontiers Media, 2022)   Artículo / Artikulua  OpenAccess
    Introduction: the MDS-PSP criteria have shown high sensitivity for the PSP diagnosis, but do not discriminate the phenotype diversity. Our purpose was to search for anatomopathological differences among PSP phenotypes ...
  • Desarrollo de un sistema de decisión basado en lógica borrosa para el uso de bombas de insulina 

    Galván Herrera, José Basilio Upna Orcid; Recarte Mendiburu, Leticia; Pérez-Ilzarbe Serrano, María José Upna Orcid (AISTI - Associação Ibérica de Sistemas e Tecnologias de Informação, 2014)   Artículo / Artikulua  OpenAccess
    Basándonos en el conocimiento de un usuario experto en la utilización de bombas de insulina, hemos desarrollado un software de apoyo para usuarios noveles de dicha tecnología. Nuestro sistema de decisión tiene en cuenta ...
  • EUSC: a clustering-based surrogate model to accelerate evolutionary undersampling in imbalanced classification 

    Le, Hoang Lam; Landa-Silva, Darío; Galar Idoate, Mikel Upna Orcid; García, Salvador; Triguero, Isaac (Elsevier, 2021)   Artículo / Artikulua
    Learning from imbalanced datasets is highly demanded in real-world applications and a challenge for standard classifiers that tend to be biased towards the classes with the majority of the examples. Undersampling approaches ...
  • A decision tree based approach with sampling techniques to predict the survival status of poly-trauma patients 

    Sanz Delgado, José Antonio Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Bustince Sola, Humberto Upna Orcid; Gradín Purroy, Carlos; Belzunegui Otano, Tomás Upna Orcid (Atlantis Press, 2017)   Artículo / Artikulua  OpenAccess
    Survival prediction of poly-trauma patients measure the quality of emergency services by comparing their predictions with the real outcomes. The aim of this paper is to tackle this problem applying C4.5 since it achieves ...
  • Construction of capacities from overlap indexes 

    Sanz Delgado, José Antonio Upna Orcid; Galar Idoate, Mikel Upna Orcid; Mesiar, Radko; Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid (Springer, 2017)   Capítulo de libro / Liburuen kapitulua  OpenAccess
    In this chapter, we show how the concepts of overlap function and overlap index can be used to define fuzzy measures which depend on the specific data of each considered problem.
  • Paired structures in knowledge representation 

    Montero, Javier; Bustince Sola, Humberto Upna Orcid; Pagola Barrio, Miguel Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
    In 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 ...
  • Applications of finite interval-valued hesitant fuzzy preference relations in group decision making 

    Pérez Fernández, Raúl; Alonso, Pedro; Bustince Sola, Humberto Upna Orcid; Díaz, Irene; Montes Rodríguez, Susana (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
    The main purpose of this paper is to present the twofold group decision making problem, which is a new point of view of the group decision making problem where several experts and criteria can be considered at the same ...
  • Optical images-based edge detection in Synthetic Aperture Radar images 

    Silva Junior, Gilberto P.; Frery, Alejandro C.; Bustince Sola, Humberto Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Marco Detchart, Cedric Upna Orcid (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
    We address the issue of adapting optical images-based edge detection techniques for use in Polarimetric Synthetic Aperture Radar (PolSAR) imagery. We modify the gravitational edge detection technique (inspired by the Law ...
  • Consensus image method for unknown noise removal 

    González Jaime, Luis; Kerre, Etienne E.; Nachtegael, Mike; Bustince Sola, Humberto Upna Orcid (Elsevier, 2014)   Artículo / Artikulua  OpenAccess
    Noise removal has been, and it is nowadays, an important task in computer vision. Usually, it is a previous task preceding other tasks, as segmentation or reconstruction. However, for most existing denoising algorithms the ...
  • Growth in the number of references in engineering journal papers during the 1972-2013 period 

    Úcar Marqués, Iñaki; López Fernandino, Felipe; Rodríguez Ulibarri, Pablo Upna Orcid; Sesma Sánchez, Laura Upna; Urrea Micó, Verónica Upna; Sevilla Moróder, Joaquín Upna Orcid (Springer, 2014)   Artículo / Artikulua  OpenAccess
    The number of references per paper, perhaps the best single index of a journal’s scholarliness, has been studied in different disciplines and periods. In this paper we present a four decade study of eight engineering ...
  • Aggregation and pre-aggregation functions in fuzzy rule-based classification systems 

    Lucca, Giancarlo (2018)   Tesis doctoral / Doktoretza tesia  OpenAccess
    Una manera eficiente de tratar problemas de clasificación, entre otras, es el uso de Sistemas de Clasificación Basados en Reglas Difusas (SCBRDs). Estos sistemas están compuestos por dos componentes principales, la Base ...
  • General overlap functions 

    Miguel Turullols, Laura de Upna Orcid; Gómez, Daniel; Tinguaro, Javier; Montero, Javier; Bustince Sola, Humberto Upna Orcid; Pereira Dimuro, Graçaliz Upna Orcid; Sanz, Jose Antonio (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
    As a generalization of bivariate overlap functions, which measure the degree of overlapping (intersection for non-crisp sets) of n different classes, in this paper we introduce the concept of general overlap functions. We ...
  • Join and meet operations for type-2 fuzzy sets with non-convex secondary memberships 

    Ruiz, Gonzalo; Hagras, Hani; Pomares, Héctor; Rojas, Ignacio; Bustince Sola, Humberto Upna Orcid (IEEE, 2016)   Artículo / Artikulua  OpenAccess
    In this paper we will present two theorems for the join and meet operations for general type-2 fuzzy sets with arbitrary secondary memberships, which can be non-convex and/or non-normal type-1 fuzzy sets. These results ...
  • A historical account of types of fuzzy sets and their relationships 

    Bustince Sola, Humberto Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Pagola Barrio, Miguel Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Xu, Zeshui; Bedregal, Benjamin Upna Orcid; 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 ...
  • Comments on "Interval type-2 fuzzy sets are generalization of interval-valued fuzzy sets: towards a wider view on their relationship" [2] 

    Mendel, Jerry M.; Hagras, Hani; Bustince Sola, Humberto Upna Orcid; Herrera, Francisco (IEEE, 2016)   Otros / Bestelakoak  OpenAccess
    This letter makes some observations about “Interval type-2 fuzzy sets are generalization of interval-valued fuzzy sets: Towards a wide view on their relationship,” IEEE Trans. Fuzzy Systems that further support the ...
  • Interval type-2 fuzzy sets are generalization of interval-valued fuzzy sets: towards a wider view on their relationship 

    Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Hagras, Hani; Herrera, Francisco; Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid (IEEE, 2015)   Artículo / Artikulua  OpenAccess
    In this paper, we will present a wider view on the relationship between interval-valued fuzzy sets and interval type- 2 fuzzy sets where we will show that interval-valued fuzzy sets are a particular case of the interval ...
  • Online detection of pathological TCP flows with retransmissions in high-speed networks 

    Miravalls-Sierra, Eduardo; Muelas, David; Ramos, Javier; López de Vergara, Jorge E.; Morató Osés, Daniel Upna Orcid; Aracil Rico, Javier Upna (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
    Online Quality of Service (QoS) assessment in high speed networks is one of the key concerns for service providers, namely to detect QoS degradation on-the-fly as soon as possible and avoid customers’ complaints. In this ...
  • TBDClust: time-based density clustering to enable free browsing of sites in pay-per-use mobile Internet providers 

    Torres García, Luis Miguel Upna; Magaña Lizarrondo, Eduardo Upna Orcid; Morató Osés, Daniel Upna Orcid; García-Jiménez, Santiago Upna Orcid; Izal Azcárate, Mikel Upna Orcid (Elsevier, 2017)   Artículo / Artikulua  OpenAccess
    The World Wide Web has evolved rapidly, incorporating new content types and becoming more dynamic. The contents from a website can be distributed between several servers, and as a consequence, web traffic has become ...

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