Ara es mostren els items 11-30 de 33

    • Estimación holística del riesgo sísmico: nuevos enfoques 

      Carreño Tibaduiza, Martha Liliana; Cardona Arboleda, Omar Dario; Barbat Barbat, Horia Alejandro (Ediciones Uniandes, 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The fuzzy set theory offers a bridge between the symbolic and numerical processing, allowing managing qualitative concepts useful in the decision-making process related to the seismic risk management and, in general, to ...
    • Evaluación preliminar de la vulnerabilidad sísmica de puentes en Bucaramanaga (Colombia) 

      Maldonado Rondón, Esperanza; Chio, G; Casas Rius, Joan Ramon; Canas Torres, José Antonio (AIBIS, 2001)
      Text en actes de congrés
      Accés obert
      Summary The focus of this paper is to develop a simple model to assess vulnerability of bridges, which was applied in Bucaramanga. This model was made especially for areas where current reports of seismic damages of ...
    • Evolutionary positioning of outsourcing in the local public administration 

      López i Carreras, Carlos; Linares Mustarós, Salvador; Viñas, Josep (OmniaScience, 2019-10)
      Article
      Accés obert
      Purpose: This work intends to establish a new methodology to quantitatively measure the initial position and evolution of outsourcing in a public administration. Design/methodology: Product of the generalization of a ...
    • FCR Method vs. IR Method: Comparative and intercultural analysis of two human behavior measurements applying extended Fuzzy Logic 

      Clavell Pi-Sunyer, Pau (Universitat Politècnica de Catalunya / Aichi Institute of Technology, 2008)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Aichi Institute of Technology
    • Fuzzy heterogeneous neural networks for signal forecasting 

      Belanche Muñoz, Luis Antonio; Valdés Ramos, Julio José; Alquézar Mancho, René (Springer, 1998)
      Text en actes de congrés
      Accés obert
      Fuzzy heterogeneous neural networks are recently introduced models based on neurons accepting heterogeneous inputs (i.e. mixtures of numerical and non-numerical information possibly with missing data) with either crisp or ...
    • Fuzzy inputs and missing data in similarity-based heterogeneous neural networks 

      Belanche Muñoz, Luis Antonio; Valdés Ramos, Julio José (Springer, 1999)
      Text en actes de congrés
      Accés obert
      Fuzzy heterogeneous networks are recently introduced neural network models composed of neurons of a general class whose inputs and weights are mixtures of continuous variables (crisp and/or fuzzy) with discrete quantities, ...
    • Fuzzy Modeling Approach to On-Hand Stock Levels Estimation in (R, S) Inventory Systems with Lost Sales 

      Guijarro, Ester; Babiloni, Eugenia; Canós Darós, María José; Canós Darós, Lourdes; Estellés Miguel, Sofía (OmniaScience, 2020-12)
      Article
      Accés obert
      Purpose: One challenge in inventory control models is to know the stock available at the beginning of the cycle to satisfy future demands, i.e. to know the on-hand stock levels at order delivery. For inventory managers, ...
    • Fuzzy sets in computer vision: an overview 

      Sobrevilla Frisón, Pilar; Montseny Masip, Eduard (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2003)
      Article
      Accés obert
      Every computer vision level crawl with uncertainty, what makes its management a significant problem to be considered and solved when trying for automated systems for scene analysis and interpretation. This is why fuzzy set ...
    • Fuzzy short-run control charts 

      Fonseca, D. J.; Elam, M. E.; Tibbs, L. (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2007)
      Article
      Accés obert
      Statistical control charts are useful tools in monitoring the state of a manufacturing process. Control charts are used to plot process data and compare it to the limits set for the process. Points plotting outside these ...
    • Integration of Graph Theory and Matrix Approach with Fuzzy AHP for Equipment Selection 

      Fathi, Mohammad Reza; Safari, Hossein; Faghih, Alireza (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-07)
      Article
      Accés obert
      Purpose: The purpose of this paper is applying a new integrated method to equipment selection. Design/methodology/approach: In this paper, we proposed the new integrated approach. Proposed approach is based on fuzzy ...
    • Mathematical aspects of the theory of measures of fuzziness 

      Vivona, Doretta (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1996)
      Article
      Accés obert
      After recalling the axiomatic concept of fuzziness measure, we define some fuzziness measures through Sugeno’s and Choquet’s integral. In particular, for the so-called “homogeneous” fuzziness measures we prove two ...
    • Método numérico para la evaluación holística del riesgo sísmico utilizando la teoría de conjuntos difusos 

      Carreño Tibaduiza, Martha Liliana; Barbat Barbat, Horia Alejandro; Cardona, O.D. (Universitat Politècnica de Catalunya. CIMNE, 2014)
      Article
      Accés obert
      La teoría de conjuntos difusos ofrece un puente entre el procesamiento simbólico y el numérico que permite el uso de conceptos cualitativos útiles en el proceso de toma de decisiones relacionadas con la gestión del riesgo ...
    • Mining and visualizing uncertain data objects and named data networking traffics by fuzzy self-organizing map 

      Karami, Amin; Guerrero Zapata, Manel (CEUR-WS.org, 2014)
      Text en actes de congrés
      Accés obert
      Uncertainty is widely spread in real-world data. Uncertain data-in computer science-is typically found in the area of sensor networks where the sensors sense the environment with certain error. Mining and visualizing ...
    • On the relationship between T-transitivity and approximate equality 

      Boixader Ibáñez, Dionís (2003-01)
      Article
      Accés restringit per política de l'editorial
      The paper discusses the suitability of T-transitivity for modelling approximate equality. It explains how T-transitivity, a property suitable for modelling vagueness, can still be used to handle the imprecision inherent ...
    • Ovchinnikov's automorphisms revisited 

      Trillas i Gay, Enric; Rodríguez, A.; Cubillo Villanueva, Susana (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1994)
      Article
      Accés obert
      In [6] an approach to the representation of synonyms and antonyms via the automorphisms of the De Morgan Algebra [0,1] x was suggested. In [3], Ovchinnikov established a representation theorem for automorphisms of the ...
    • Profit allocation in fuzzy cooperative games in manufacturing and logistics industry 

      Wang, Xiaoyan; Jiang, Liqi; Shu, Lei (OmniaScience, 2014-05)
      Article
      Accés obert
      Purpose: Alliance between manufacturing and logistics industry is a new model of the joint development of the two industries. A reasonable profit allocation mechanism is the key to ensure the stable operation of the alliance, ...
    • Similarity in fuzzy reasoning 

      Klawonn, Frank; Castro Peña, Juan Luis (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1995)
      Article
      Accés obert
      Fuzzy set theory is based on a `fuzzification' of the predicate in (element of), the concept of membership degrees is considered as fundamental. In this paper we elucidate the connection between indistinguishability modelled ...
    • Social aggravation estimation to seismic hazard using classical fuzzy methods 

      González Cárdenas, Rubén; Nebot Castells, M. Àngela; Múgica Álvarez, Francisco; Carreño Tibaduiza, Martha Liliana; Barbat Barbat, Horia Alejandro (Springer, 2015)
      Capítol de llibre
      Accés obert
      In the last years, from a disasters perspective, risk has been dimensioned to allow a better management. However, this conceptualization turns out to be limited or constrained, by the generalized use of a fragmented risk ...
    • Testing satistical hipotheses in fuzzy environment 

      Gregorzewski, Przemyslaw; Hryniewicz, Olgierd (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1997)
      Article
      Accés obert
      In traditional statistics all parameters of the mathematical model and possible observations should be well defined. Sometimes such assumption appears too rigid for the real-life problems, especially while dealing ...
    • The logistic decision making in management accounting with genetic algoritms and fuzzy sets 

      López González, Enrique; Rodríguez-Fernández, M. Ángel; Mendaña Cuervo, Cristina (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2000)
      Article
      Accés obert
      The logistics problems in business environments deal with assignation from a number of sources to a number of destinations. Each source offers amounts of goods, while each destination demands quantities of these goods. The ...