Now showing items 5140-5159 of 78781

  • An estimate of maintenance efficiency in Brown-Proschan imperfect repair model with bathtub failure intensity 

    Krit, Makram; Rebai, Abdelwaheb (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2012-04)
    Article
    Open Access
    Purpose: Estimate the maintenance efficiency in the Brown-Proschan model with the bathtub failure intensity. Design/methodology/approach: Empirical research through which we propose a framework to establish the ...
  • An European vision of network robot systems in urban areas 

    Sanfeliu Cortés, Alberto (NRF, 2008)
    Conference report
    Open Access
    Presentation of a vision of Network Robot Systems in Europe
  • An evaluation framework based on gold standard models for definition question answering 

    Kanaan Izquierdo, Samir; Turmo Borras, Jorge (2006-05)
    External research report
    Open Access
    This paper presents a weak supervised evaluation framework for definition question answering (DefQA) called Solon. It automatically evaluates a set of DefQA systems using existing human definitions as gold standard models. ...
  • An evaluation methodology for urban rehabilitation processes 

    Neto, Luís; Pinto, Nuno N.; Burns, Malcolm C. (Department of Civil Engineering of the University of Coimbra and e-GEO, Research Center in Geography and Regional Planning of the Faculty of Social Sciences and Humanities of the Nova University of Lisbon, 2011-10)
    Conference report
    Open Access
  • An evaluation of a simple dynamical model for impacts between rigid objects 

    Molino Minero, Erik; López García, Mariano; Manuel Lázaro, Antonio; Carlosena García, Alfonso; Roset Juan, Francesc Xavier (2009)
    Conference report
    Open Access
    The main purpose of this work is to propose a dynamical model for simulating the response of different metallic objects when impacted by another rigid body. In addition, a methodology for estimating the model parameters ...
  • An evaluation of BMX6 for community wireless networks 

    Neumann, Axel; López Berga, Ester; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    Nowadays, a growing number of communities of citizens build, operate and own open IP-based community wireless networks with thousands of low capacity nodes actively participating in routing the data traffic. This article ...
  • An evaluation of PolSAR speckle filters on Compact-Pol images 

    Foucher, Samuel; Landry, Tom; López Martínez, Carlos; Charbonneau, François; Gagnon, Langis (IEEE, 2012)
    Conference report
    Restricted access - publisher's policy
    The goal of this study is to evaluate some polarimetric speckle filters when applied to Compact Polarimetry (CP) data. Seven filters are evaluated on a set of artificial CP images. Performances regarding image restoration ...
  • An evaluation of soil moisture downscaling techniques using L.Band Airbone observations 

    Piles, María; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; Talone, Marco (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems), 2010-04-13)
    Article
    Open Access
  • An evaluation of the life cycle cost of rapeseed oil as a straight vegetable oil fuel to replace petroleum diesel in agriculture 

    Baquero Armans, Grau; Esteban Dalmau, Bernat; Riba Ruiz, Jordi-Roger; Rius Carrasco, Antoni; Puig Vidal, Rita (2011-08)
    Article
    Open Access
    The use of straight vegetable oil (SVO) as biofuel has been recognized as a valid substitute of diesel fuel in the agricultural sector under specific circumstances. Its direct use reduces most of the chemical processes ...
  • An evaluation tool for physics applets 

    Pejuan Alcobé, Arcadi; Bohigas Janoher, Xavier; Jaen Herbera, Javier (Omnia Publisher SL (OmniaScience), 2016)
    Article
    Open Access
    Physics applets are well known appealing resources to teach and learn physics, and a large number of them are available on the Internet. Nevertheless, not all of them are of the same quality, because such applets do not ...
  • An evaluation tool for physics applets 

    Pejuan Alcobé, Arcadi; Bohigas Janoher, Xavier; Jaen Herbera, Javier (OmniaScience, 2016-03)
    Article
    Open Access
    Physics applets are well known appealing resources for teaching and learning physics, and there is a lot of them available on the Internet. Nevertheless, not all of them are of the same quality as such resources nor fit ...
  • An event driven approach for increasing UAS mission automation 

    Santamaria Barnadas, Eduard; Barrado Muxí, Cristina; Pastor Llorens, Enric (2009-03-23)
    Conference report
    Restricted access - publisher's policy
    UAS have great potential to be used in a wide variety of civil applications such as environmental applications, emergency situations, surveillance tasks and more. The development of Flight Control Systems (FCS) coupled ...
  • An evolutionary approach to constraint-regularized learning 

    Hüllermeier, Eyke; Renners, Ingo; Grauel, Adolf (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
    Article
    Open Access
    The success of machine learning methods for inducing models from data crucially depends on the proper incorporation of background knowledge about the model to be learned. The idea of constraint-regularized learning is ...
  • An evolutionary path for the evolved packet system 

    Portoles Comeras, Marc; Mangues Bafalluy, Josep; Krendzel, Andrey; Requena Esteso, Manuel; Cabellos Aparicio, Alberto (2015-07-01)
    Article
    Open Access
    New architectural requirements appear with the evolution of mobile networks, such as the provisioning of multihoming or offloading. In general, this requires the design of ad hoc schemes on top of the EPS, which may be ...
  • An exact algorithm for the mixed-model level scheduling problem 

    Pereira Gude, Jordi; Vilà Bonilla, Mariona (Taylor & Francis, 2015-02-05)
    Article
    Open Access
    The Monden Problem, also known as the Output Rate Variation Problem, is one of the original formulations for mixed-model assembly line-level scheduling problems in a just-in-time system. In this paper, we develop a new ...
  • An exact algorithm for the single-vehicle cyclic inventory routing problem 

    Aghezzaf, El-Houssaine; Zhong, Yiqing; Raa, Birger; Mateo Doll, Manuel (2010)
    Conference lecture
    Open Access
    The single-vehicle cyclic inventory routing problem (SV 􀀀 CIRP) consists of a repetitive distribution of a product from a single depot to a selected subset of customers. For each customer that is selected for replenishments, ...
  • An exact procedure to plan holidays and working time under annualised hours considering cross-trained workers with different efficiencies 

    Lusa García, Amaia; Corominas Subias, Albert; Pastor Moreno, Rafael (Taylor & Francis, 2008-04)
    Article
    Open Access
    Annualising working hours (AH) is a means of achieving flexibility in the use of human resources to face the seasonal nature of demand. Some existing planning procedures are able to minimise costs due to overtime and ...
  • An examination of the effects of self-regulatory focus on the perception of the media richness: the case of email 

    Armengol, Xavier; Fernández Alarcón, Vicenç; Simó Guzmán, Pep; Sallán Leyes, José María (2015-02-23)
    Article
    Open Access
    Communication is a key element in organizations’ business success. The media richness theory and the channel expansion theory are two of the most influential theories regarding the selection and use of communication media ...
  • An example of a non acyclic Koszul complex of a module 

    Planas Vilanova, Francesc d'Assís (2000)
    Article
    Open Access
  • An example of the knowledge based controller-design and evaluation 

    Tezak, Oto (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1999)
    Article
    Open Access
    Knowledge based controller for a balance control model is presented in this paper. The design of the controller was based on the human control of the same process. Developed controller is tested by means of simulation and ...