Now showing items 1-20 of 221

    • Abstract homogeneous functions and consistently influenced/disturbed multi-expert decision making 

      Santiago, Regivan; Bedregal, Benjamin Upna Orcid; Pereira Dimuro, Graçaliz Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Bustince Sola, Humberto Upna Orcid; Fardoun, Habib (IEEE, 2021)   Artículo / Artikulua
      In this paper we propose a new generalization for the notion of homogeneous functions. We show some properties and how it appears in some scenarios. Finally we show how this generalization can be used in order to provide ...
    • Acoustic levitation in mid-air: recent advances, challenges, and future perspectives 

      Brizzotti Andrade, Marco Aurélio; Marzo Pérez, Asier Upna Orcid; Adamowski, Julio C. (American Institute of Physics, 2020)   Artículo / Artikulua  OpenAccess
      Mid-air acoustic levitation is becoming a powerful tool to suspend and manipulate millimetric objects. Because of its unique characteristics, acoustic levitation is suitable to trap a wide variety of materials such as ...
    • Acoustophoretic volumetric displays using a fast-moving levitated particle 

      Fushimi, Tatsuki; Marzo Pérez, Asier Upna Orcid; Drinkwater, Bruce W.; Hill, Thomas L. (AIP Publishing, 2019)   Artículo / Artikulua  OpenAccess
      Displays have revolutionized the way we work and learn, and thus, the development of display technologies is of paramount importance. The possibility of a free-space display in which 3D graphics can be viewed from 360° ...
    • Affine construction methodology of aggregation functions 

      Roldán López de Hierro, Antonio Francisco; Roldán, Concepción; Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Rodríguez Martínez, Iosu Upna Orcid; Fardoun, Habib; Lafuente López, Julio Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      Aggregation functions have attracted much attention in recent times because of its potential use in many areas such us data fusion and decision making. In practice, most of the aggregation functions that scientists use in ...
    • Aggregation of individual rankings through fusion functions: criticism and optimality analysis 

      Bustince Sola, Humberto Upna Orcid; Bedregal, Benjamin Upna Orcid; Campión Arrastia, María Jesús Upna Orcid; Silva, Ivanoska da; Fernández Fernández, Francisco Javier Upna Orcid; Induráin Eraso, Esteban Upna Orcid; Raventós Pujol, Armajac Upna Orcid; Santiago, Regivan (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      Throughout this paper, our main idea is to analyze from a theoretical and normative point of view different methods to aggregate individual rankings. To do so, first we introduce the concept of a general mean on an abstract ...
    • Aggregator to electric vehicle LoRaWAN based communication analysis in vehicle-to-grid systems in smart cities 

      Klaina, Hicham Upna; Picallo Guembe, Imanol Upna Orcid; López Iturri, Peio Upna Orcid; Astrain Escola, José Javier Upna Orcid; Azpilicueta Fernández de las Heras, Leyre Upna Orcid; Falcone Lanas, Francisco Javier Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      Recently, there has been growing attention to the power grid management due to the increasing concerns on global warming. With the advancement in electric vehicles (EV) industry and the evolution in batteries, EVs become ...
    • Alleviating confounding in spatio-temporal areal models with an application on crimes against women in India 

      Adin Urtasun, Aritz Upna Orcid; Goicoa Mangado, Tomás Upna Orcid; Hodges, James S.; Schnell, Patrick M.; Ugarte Martínez, María Dolores Upna Orcid (SAGE Publications, 2021)   Artículo / Artikulua  OpenAccess
      Assessing associations between a response of interest and a set of covariates in spatial areal models is the leitmotiv of ecological regression. However, the presence of spatially correlated random effects can mask or even ...
    • Analysis and application of an overlapped FEM-BEM for wave propagation in unbounded and heterogeneous media 

      Domínguez Baguena, Víctor Upna Orcid; Ganesh, M. (Elsevier, 2022)   Artículo / Artikulua
      An overlapped continuous model framework, for the Helmholtz wave propagation problem in unbounded regions comprising bounded heterogeneous media, was recently introduced and analyzed by the authors (2020) [10]. The continuous ...
    • Analysis of singular one-dimensional linear boundary value problems using two-point Taylor expansions 

      Ferreira González, Chelo Upna; López García, José Luis Upna Orcid; Pérez Sinusía, Ester Upna Orcid (University of Szeged (Hungría), 2020)   Artículo / Artikulua  OpenAccess
      We consider the second-order linear differential equation (x2 − 1)y'' + f (x)y′ + g(x)y = h(x) in the interval (−1, 1) with initial conditions or boundary conditions (Dirichlet, Neumann or mixed Dirichlet–Neumann). The ...
    • Asymptotic greediness of the Haar system in the spaces Lp[0 , 1] , 1< p< ∞ 

      Albiac Alesanco, Fernando José Upna Orcid; Ansorena, José L.; Berná, Pablo M. (Springer, 2019)   Artículo / Artikulua  OpenAccess
      Our aim in this paper is to attain a sharp asymptotic estimate for the greedy constant Cg[H(p), Lp] of the (normalized) Haar system H(p) in Lp[0 , 1] for 1 < p < ∞. We will show that the super-democracy constant of H(p) ...
    • Automatic contactless injection, transportation, merging, and ejection of droplets with a multifocal point acoustic levitator 

      Brizzotti Andrade, Marco Aurélio; Camargo, Thales S. A.; Marzo Pérez, Asier Upna Orcid (AIP Publishing, 2018)   Artículo / Artikulua  OpenAccess
      We present an acoustic levitation system that automatically injects, transports, merges and ejects liquid droplets in mid-air. The system consists of a phased array operating at 40 kHz on top of a plane reflector. The phase ...
    • An axiomatic approach to finite means 

      Campión Arrastia, María Jesús Upna Orcid; Candeal, Juan Carlos; García Catalán, Olga Raquel Upna; Giarlotta, Alfio; Induráin Eraso, Esteban Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      In this paper we analyze the notion of a finite mean from an axiomatic point of view. We discuss several axiomatic alternatives, with the aim of establishing a universal definition reconciling all of them and exploring ...
    • Bayesian inference in multivariate spatio-temporal areal models using INLA: analysis of gender-based violence in small areas 

      Vicente Fuenzalida, Gonzalo; Goicoa Mangado, Tomás Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid (Springer, 2020)   Artículo / Artikulua  OpenAccess
      Multivariate models for spatial count data are currently receiving attention in disease mapping to model two or more diseases jointly. They have been thoroughly studied from a theoretical point of view, but their use in ...
    • Bright fireballs recorded along February 2021 in the framework of the Southwestern Europe Meteor Network 

      Madiedo, J. M.; Ortiz, J. L.; Izquierdo, J.; Santos-Sanz, P.; Aceituno, J.; Guindos, E. de; Yanguas Sayas, Patricia Upna Orcid; Palacián Subiela, Jesús Francisco Upna Orcid (MeteorNews, 2021)   Artículo / Artikulua  OpenAccess
      This work focuses on the analysis of some of the brightest bolides recorded along February 2021 by the meteorobserving stations operating in the framework of the Southwestern Europe Meteor Network (SWEMN). Some of them ...
    • Bright fireballs recorded along March 2021 in the framework of the Southwestern Europe Meteor Network 

      Madiedo, J. M.; Ortiz, J. L.; Izquierdo, J.; Santos-Sanz, P.; Aceituno, J.; Guindos, E. de; Yanguas Sayas, Patricia Upna Orcid; Palacián Subiela, Jesús Francisco Upna Orcid (MeteorNews, 2021)   Artículo / Artikulua  OpenAccess
      We present here some recent improvements performed in the framework of the Southwestern Europe Meteor Network (SWEMN) and the SMART project. In particular, we focus on the development of the first digital database dedicated ...
    • BRScS: a hybrid recommendation model fusing multi-source heterogeneous data 

      Ji, Zhenyan; Yang, Chun; Wang, Huihui; Armendáriz Íñigo, José Enrique Upna Orcid; Arce Urriza, Marta Upna Orcid (SpringerOpen, 2020)   Artículo / Artikulua  OpenAccess
      Recommendation systems are often used to solve the problem of information overload on the Internet. Many types of data can be used for recommendations, and fusing different types of data can make recommendations more ...
    • Building highly conditional almost greedy and quasi-greedy bases in Banach spaces 

      Albiac Alesanco, Fernando José Upna Orcid; Ansorena, José L.; Dilworth, S. J.; Kutzarova, Denka (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      It is known that for a conditional quasi-greedy basis B in a Banach space X, the associated sequence (k(m)[B](m=1)(infinity) of its conditionality constants verifies the estimate k(m)[B] = O(log m) and that if the reverse ...
    • Canonical maximization of coherence: a novel tool for investigation of neuronal interactions between two datasets 

      Vidaurre, Carmen Upna Orcid; Nolte, Guido; Vries, I. E. J. de; Gómez Fernández, Marisol Upna Orcid; Boonstra, Tjeerd W.; Müller, Klaus Robert; Villringer, Arno; Nikulin, Vadim V. (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      Synchronization between oscillatory signals is considered to be one of the main mechanisms through which neuronal populations interact with each other. It is conventionally studied with mass-bivariate measures utilizing ...
    • CAP theorem: revision of its related consistency models 

      Muñoz Escoí, Francesc D.; Juan Marín, Rubén de; García Escrivá, José Ramón; González de Mendívil Moreno, José Ramón Upna Orcid; Bernabéu Aubán, José M. (Oxford University Press, 2019)   Artículo / Artikulua  OpenAccess
      The CAP theorem states that only two of these properties can be simultaneously guaranteed in a distributed service: (i) consistency, (ii) availability, and (iii) network partition tolerance. This theorem was stated and ...
    • Características y métodos estadísticos empleados en los artículos originales publicados en las revistas de salud pública en España 

      Martínez Baz, Iván Upna Orcid; Delfrade Osinaga, J. Upna; Etxeberria Andueza, Jaione Upna Orcid (Gobierno de Navarra, 2018)   Artículo / Artikulua  OpenAccess
      Background. To describe the characteristics and statistical methods used in the original articles published in Gaceta Sanitaria, Revista Española de Salud Pública y Anales del Sistema Sanitario de Navarra, the Spanish ...