Ara es mostren els items 1-18 de 18

  • A comparison study between two fuzzy-based trustworthiness systems for P2P networks 

    Umezaki, Kouhei; Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Matsuo, Keita; Iwashige, J. (2012)
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  • A comparison study for two fuzzy-based systems: improving reliability and security of JXTA-overlay P2P platform 

    Liu, Yi; Sakamoto, Shinji; Matsuo, Keita; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos (Springer, 2016-07-01)
    Article
    Accés restringit per política de l'editorial
    The reliability of peers is very important for safe communication in peer-to-peer (P2P) systems. The reliability of a peer can be evaluated based on the reputation and interactions with other peers to provide different ...
  • A map characterizing the fuzzy points and columns of a T-indistinguishability operator 

    Boixader Ibáñez, Dionís; Recasens Ferrés, Jorge (2005-10)
    Article
    Accés obert
    A new map (ΛE) between fuzzy subsets of a universe X endowed with a T-indistinguishability operator E is introduced. The main feature of ΛE is that it has the columns of E as fixed points, and thus it provides us with a ...
  • An integrated fuzzy-based trustworthiness system for P2P communications in JXTA-overlay 

    Umezaki, Kouhei; Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Younas, Muhammad; Iwashige, J. (Institute of Electrical and Electronics Engineers (IEEE), 2012)
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  • Assymptotic performance of hierarchical fuzzy interference cancellers for CDMA 

    Pérez Neira, Ana Isabel; Bas, J. (2003)
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    This paper presents a hierarchical fuzzy logic canceller that suppresses digital and/or analog interference from a CDMA signal. The optimum filter to remove them is the Conditional Mean Estimator (CME) or the MAP detector ...
  • Closed-loop controller for eliminating the contact bounce in DC core contactors 

    García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Cusido Roura, Jordi; Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis (2010-09)
    Article
    Accés obert
    The undesirable phenomenon of the contact bounce causes severe erosion of the contacts and, as a consequence, their electrical life and reliability are greatly reduced. On the other hand, the bounce of the armature can ...
  • Estimating the horizon of predictability in time-series predictions using inductive modelling tools 

    López Herrera, Josefina; Cellier, François E.; Cembrano Gennari, Gabriela (2011)
    Article
    Accés restringit per política de l'editorial
    This paper deals with the assessment of how far into the future a time series can be safely predicted using inductive modelling and extrapolation techniques. Three different time series representing the water demand of the ...
  • Fuzzy approach for data association in image tracking 

    García, Jesús; Molina, José Manuel; Besada, Juan Alberto; Portillo García, Javier Ignacio (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2003)
    Article
    Accés obert
    A fuzzy system has been developed to ponder update decisions both for the trajectories and shapes estimated for targets. It is embedded in an A-SMGCS Surveillance function for airport surface, based on video data processing, ...
  • Fuzzy controller for the yaw and velocity control of the Guanay II AUV 

    González Agudelo, Julián; Gomáriz Castro, Spartacus; Batlle Arnau, Carles; Galarza, Cesar (2015)
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  • Fuzzy expert system for the detection of episodes of poor water quality through continuous measurement 

    Angulo Bahón, Cecilio; Cabestany Moncusí, Joan; Rodríguez, Pablo; Batlle, Montserrat; González, Antonio; de Campos, Sergio (2012)
    Article
    Accés obert
    In order to prevent and reduce water pollution, promote a sustainable use, protect the environment and enhance the status of aquatic ecosystems, this article deals with the application of advanced mathematical techniques ...
  • Fuzzy systems and neural networks XML schemas for soft computing 

    Rodríguez de Soto, Adolfo; Capdevila, Conrado A.; Fernandez, Eva Cuervo (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2003)
    Article
    Accés obert
    This article presents an XML[2] based language for the specification of objects in the Soft Computing area. The design promotes reuse and takes a compositional approach in which more complex constructs are built from simpler ...
  • Genetic algorithm for project time-cost optimization in fuzzy environment 

    Haque, Khan Md. Ariful; Hasin, Md. Ahsan Akhtar (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2012-12)
    Article
    Accés obert
    Purpose: The aim of this research is to develop a more realistic approach to solve project time-cost optimization problem under uncertain conditions, with fuzzy time periods. Design/methodology/approach: Deterministic ...
  • Identification of Raman spectra through a case-based reasoning system: application to artistic pigments 

    Castanys, M.; Pérez Pueyo, Rosanna; Soneira Ferrando, M. José; Colominas Golobardes, Manuel; Fornells, A. (2011-07)
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    This paper presents a methodology conceived as a support system to identify unknown materials by means of the automatic recognition of their Raman spectra. Initially, the design and implementation of the system were framed ...
  • Improving reliability of JXTA-overlay P2P platform: a comparison study for two fuzzy-based systems 

    Liu, Yi; Sakamoto, Shinji; Matsuo, Keita; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos (2015)
    Article
    Accés obert
    In P2P systems, each peer has to obtain information of other peers and propagate the information to other peers through neighboring peers. Thus, it is important for each peer to have some number of neighbor peers. Moreover, ...
  • Integration of fuzzy Shannon’s entropy with fuzzy TOPSIS for industrial robotic system section 

    Chaghooshi, Ahmad Jafarnejad; Fathi, Mohammad Reza; Kashef, Mojtaba (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2012-04)
    Article
    Accés obert
    Purpose: The aim of this study is applying a new method for Industrial robotic system selection. Design/methodology/approach: In this paper, the weights of each criterion are calculated using fuzzy Shannon’s Entropy. ...
  • P2P data replication and trustworthiness for a JXTA-Overlay P2P system using fuzzy logic 

    Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Biberaj, A.; Shurdi, O. (2013-01)
    Article
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    P2P systems are very important for future distributed systems and applications. In such systems, the computational burden of the system can be distributed to peer nodes of the system. Therefore, in decentralized systems ...
  • Ranking and selection of unsupervised learning marketing segmentation 

    Sanchez Hernandez, German; Chiclana, Francisco; Agell Jané, Núria; Aguado Chao, Juan Carlos (2013-05)
    Article
    Accés restringit per política de l'editorial
    This paper addresses the problem of choosing the most appropriate classification from a given set of classifications of a set of patterns. This is a relevant topic on unsupervised systems and clustering analysis because ...
  • Transitive Closure of Interval-valued Relations 

    González del Campo, Ramón; Garmendia Salvador, Luis; Recasens Ferrés, Jorge (2009)
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    This paper introduces some concepts of intervalvalued fuzzy relations and some of their properties: reflexivity, symmetry, T-transitivity, composition and locally reflexivity. It is also introduced the concept of T-transitive ...