Now showing items 1-20 of 153

  • A branch-and-cut algorithm for the multidepot rural postman problem 

    Fernández Aréizaga, Elena; Laporte, Gilbert; Rodríguez Pereira, Jessica (2018-03)
    Article
    Open Access
    This paper considers the Multidepot Rural Postman Problem, an extension of the classical Rural Postman Problem in which there are several depots instead of only one. The aim is to construct a minimum cost set of routes ...
  • A checkpoint/restart directive-based approach 

    Maroñas Bravo, Marcos (Universitat Politècnica de Catalunya, 2017)
    Master thesis
    Open Access
    Covenantee:  Barcelona Supercomputing Centre (BSC)
    Exascale platforms require programming models incorporating support for resilience capabilities since the huge number of components they are expected to have is going to increase the number of errors. Checkpoint/restart ...
  • A consensus model for Delphi processes with linguistic terms and its application to chronic pain in neonates definition 

    Agell Jané, Núria; van Ganzewinkel,, Christ Jan; Sánchez Soler, Monica; Roselló Saurí, Llorenç; Prats Duaygues, Francesc; Andriessen, Peter (2015-10)
    Article
    Open Access
    This paper proposes a new model of consensus based on linguistic terms to be implemented in Delphi processes. The model of consensus involves qualitative reasoning techniques and is based on the concept of entropy. The ...
  • A cryptographic solution for private distributed simple meeting scheduling 

    Herranz Sotoca, Javier; Matwin, Stan; Meseguer González, Pedro; Nin Guerrero, Jordi (IOS Press, 2009)
    Conference report
    Open Access
    Meeting scheduling is a suitable application for distributed computation motivated by its privacy requirements. Previous work on this problem have considered some cryptographic and conceptually clear approach to solve a ...
  • A decision support system and a mathematical model for strategic workforce planning in consultancies 

    Llort Gual, Núria; Lusa García, Amaia; Martínez Costa, Carme; Mateo Doll, Manuel (2018-01-01)
    Article
    Open Access
    Strategic staff planning in consultancies is a major problem that directly affects the firm’s performance and capacity for dealing with projects appropriately. Furthermore, the decisions taken now will have long term ...
  • A fix-and-relax heuristic for controlled tabular adjustment 

    Baena, Daniel; Castro Pérez, Jordi (2013-07)
    External research report
    Open Access
    Controlled tabular adjustment (CTA) is an emerging protect ion technique for tabular data pro- tection. CTA formulates a mixed integer linear programming problem, which is tough for tables of moderate size. Finding a ...
  • A heuristic method for a congested capacitated transit assignment model with strategies 

    Codina Sancho, Esteve; Rosell Camps, Francisca (2017-12)
    Article
    Open Access
    This paper addresses the problem of solving the congested transit assignment problem with strict capacities. The model under consideration is the extension made by Cominetti and Correa (2001), for which the only solution ...
  • A Kalman-filter approach for dynamic OD estimation in corridors based on bluetooth and wifi data collection 

    Barceló Bugeda, Jaime; Montero Mercadé, Lídia; Marquès, Laura; Carmona Bautista, Carlos (2010-07)
    Conference report
    Open Access
    From the point of view of the information supplied by an ATIS to the motorists entering a freeway of one of the most relevant is the Forecasted Travel Time, that is the expected travel time that they will experience when ...
  • A measure of perceived performance to assess resource allocation 

    Sayeras, Josep M.; Agell, Nuria; Rovira Llobera, Xari; Sánchez Soler, Monica; Dawson, John A. (Springer, 2016-08-01)
    Article
    Open Access
    Performance measurement is a key issue when a company is designing new strategies to improve resource allocation. This paper offers a new methodology inspired by classic importance-performance analysis (IPA) that provides ...
  • A MIP formulation of a Hybrid AC-DC offshore wind power plant topology 

    Homs Moreno, Josep (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2017-10)
    Master thesis
    Restricted access - confidentiality agreement
    Covenantee:  Department of Statistics and Operations Research - Research Group GNOM
  • A multi-objective approach to infrastructure planning in the early stages of EV introduction 

    Brown, Andina Rosalya (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2014-01)
    Master thesis
    Restricted access - author's decision
    This study addresses the problem of locating fast charging stations for electric vehicles in the early stages of infrastructure implementation. The primary objectives are to contextualise the problem and to subsequently ...
  • An algebraic model for the storage of data in parallel memories 

    Fiol Mora, Miquel Àngel; Serra Albó, Oriol (Springer, 1989)
    Part of book or chapter of book
    Open Access
    The use of SIMD computers requires efficient schemes of storage of data in order to have conflict-free acces in parallel computation. In this paper we restate the problem of finding such chemes in an algebraic context. ...
  • Análisis del comportamiento bursátil en América, Europa y Asia desde el punto de vista temporal y espacial 

    Acuña González, Carlos Alberto (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2014-02)
    Master thesis
    Restricted access - author's decision
    En este trabajo final de máster se pretende analizar el comportamiento de los índices bursátiles utilizando técnica de series temporales y análisis espacial. Para realizar este análisis de divide el trabajo en dos partes, ...
  • Analysis of applications to improve the energy savings in residential buildings based on Systemic Quality Model 

    Fonseca Casas, Antoni; Fonseca Casas, Pau; Casanovas Garcia, Josep (2016-10-19)
    Article
    Open Access
    Creating a definition of the features and the architecture of a new Energy Management Software (EMS) is complex because different professionals will be involved in creating that definition and in using the tool. To simplify ...
  • An error estimator for real-time simulators based on model order reduction 

    Alfaro, Icíar; González, David; Zlotnik, Sergio; Díez, Pedro; Cueto Prendes, Elias; Chinesta, Francisco (Springer, 2015-11-26)
    Article
    Open Access
    Model order reduction (MOR) is one of the most appealing choices for real-time simulation of non-linear solids. In this work a method is presented in which real time performance is achieved by means of the o -line solution ...
  • Aplicació de mètodes de projecció per a problemes en desigualtats variacionals al problema d'assignació asimètrica de trànsit 

    Ibáñez Marí, Gemma (Universitat Politècnica de Catalunya, 2015-01)
    Master thesis (pre-Bologna period)
    Open Access
    Els problemes de planificació del transport s aborden dividint el problema original en diversos submodels més simples que s analitzen per separat. Una d aquestes etapes és el problema d assignació de trànsit, que consisteix ...
  • Aplicación del método de Benders para ajuste controlado de tablas (CTA) 

    Baena Mirabete, Daniel (Universitat Politècnica de Catalunya, 2008-02)
    Master thesis
    Open Access
    La presente memoria tiene como objeto de estudio el desarrollo de un método óptimo (Descomposición de Benders) para CTA como MILP que mejore la calidad de los resultados. La memoria está dividida en 3 bloques. En un ...
  • Aplicación web de cálculo de estructuras 

    Fuente Antequera, Carlos de la (Universitat Politècnica de Catalunya, 2016)
    Master thesis (pre-Bologna period)
    Open Access
    Amb aquest projecte es du a terme el desenvolupament d’un servei web per realitzar càlculs d’estructures de formigó de secció rectangular. Es parteix de la base que existeix un programa fet amb llenguatge de càlcul tècnic ...
  • Aportaciones al desarrollo de herramientas para la optimización del dimensionamiento de microredes con Energías Renovables 

    Prieto Rábano, Carlos - A. (Universitat Politècnica de Catalunya, 2015-11)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    El origen del proyecto se sitúa en una oferta de trabajos académicos relacionados con la generación polienergética en microredes con energías renovables, del Cepima de la UPC. El proyecto representa la continuación de ...
  • Applying Lasserre hierarchy for solving polynomial feasible problems 

    Chapon i Carbonell, Pol (Universitat Politècnica de Catalunya, 2016-07)
    Bachelor thesis
    Restricted access - confidentiality agreement