Now showing items 7734-7753 of 41845

    Contributions to Record Linkage for Disclosure Risk Assessment 

    Nin Guerrero, Jordi (Date of defense: 2008-06-16)

    Cada dia una gran quantitat de dades són recollides pels instituts d'estadística. Aquest fet combinat amb el creixement que ha experimentat Internet en els darrers anys fa que hom es pregunti si les seves dades confidencials ...

    Contributions to research on Full-Range Leadership theory: The positive effects of Transformational Style in Multicultural and Multigenerational Teams 

    Valldeneu Rosell, Marc (Date of defense: 2022-07-07)

    Liderar un equip amb eficàcia és un factor molt important per a qualsevol líder o organització que vulgui aconseguir els seus objectius. La recerca de la tesi es va dur a terme per tal d’investigar i entendre la relació ...

    Contributions to rework prevention in construction projects 

    Macarulla Martí, Marcel (Date of defense: 2013-12-17)

    Literature usually suggests that construction organization can reduce the costs derived from rework implementing quality management systems. Most common challenges and obstacles that construction organizations face during ...

    Contributions to Robot-based Vessel Visual Inspection 

    Bonnín Pascual, Francisco (Date of defense: 2017-07-25)

    [cat]El transport marítim és una de les maneres més efectives de transportar béns d’un lloc a l’altre del món. Encara que avui dia es realitzen grans esforços per tal d’evitar els accidents marítims, aquests encara ocorren ...

    Contributions to routing scalability and QoS assurance in cloud data transport networks based on the recursive internetwork architecture 

    León Gaixas, Sergio (Date of defense: 2018-06-29)

    With an increasing number of devices and heterogeneous distributed applications, it is becoming evident that service delivered by the current Internet fall short to supply the actual Quality of Service (QoS) requirements ...

    Contributions to secret sharing and other distributed cryptosystems 

    Ruiz Rodriguez, Alexandre (Date of defense: 2013-07-22)

    The present thesis deals with primitives related to the eld of distributed cryptography. First, we study signcryption schemes, which provide at the same time the functionalities of encryption and signature, where the ...

    Contributions to secure genomic human data sharing for precision medicine 

    Rambla, Jordi (Date of defense: 2023-05-18)

    The advance of precision medicine depends on the availability of data that is continuously being generated in universities, research centres and hospitals world-wide. That data represents 1) the diversity of the human ...

    Contributions to security and privacy protection in recommendation systems 

    Vera del Campo, Juan (Date of defense: 2012-10-29)

    A recommender system is an automatic system that, given a customer model and a set of available documents, is able to select and offer those documents that are more interesting to the customer. From the point of view of ...

    Contributions to Statistical Disclosure Control: Enhancing Multivariate Microaggregation using Graph Theory 

    Maya López, Armando (Date of defense: 2023-06-19)

    Aquesta tesi doctoral estudia la microagregació com a tècnica per al control de la divulgació estadística. La investigació té com a objectiu millorar l'eficiència i la qualitat de la microagregació de mida fixa i variable ...

    Contributions to statistical learning for magnetic resonance images 

    Ventura Campos, Noelia (Date of defense: 2013-03-13)

    <p><em>Introducción</em> <br>Este trabajo describe las contribuciones al aprendizaje estadístico desarrollado e implementado en imágenes de Resonancia Magnética (RM). Concretamente, se describe la contribución a los ...

    Contributions to stochastic analysis 

    Binotto, Giulia (Date of defense: 2018-04-13)

    The aim of this dissertation is to present some new results on stochastic analysis. It consists on three works that deal with two Gaussian processes: the Brownian motion and the fractional Brownian motion with Hurst parameter ...

    Contributions to the 3D ionospheric sounding with GPS data 

    García Fernández, Miquel (Date of defense: 2004-03-15)

    La tesi proposa una sèrie d'algoritmes destinats a obtenir informació del contingut d'electrons lliures presents a la ionosfera. El tipus de dades que s'utilitzaran seran bàsicament les corresponents a receptors de dades ...

    Contributions to the algorithms and methodologies for virtual infrastructure provisioning 

    Ferrer Riera, Jordi (Date of defense: 2016-01-20)

    Virtualization is defined as the process consisting of building a virtual resource on top of one or several physical resources, depending on the selected paradigm: aggregation or partitioning. From the net- working ...

    Contributions to the Content-Based Image Retrieval Using Pictorial Queris 

    Borràs Agnosto, Agnès (Date of defense: 2009-11-06)

    L'accés massiu a les càmeres digitals, els ordinadors personals i a Internet, ha propiciat la creació de grans volums de dades en format digital. En aquest context, cada vegada adquireixen major rellevància totes aquelles ...

    Contributions to the continuum modelling of strong discontinuities in two-dimensional solids 

    Samaniego Alvarado, Esteban (Date of defense: 2003-03-28)

    El estudio de la mecánica computacional de fallo ha ganado creciente popularidad en los últimos años. Modelizar el comportamiento poscrítico de estructuras puede alcanzar un grado elevado de complejidad, debido a la ...

    Contributions to the design and operation of a multilevel-active-clamped Dc-Ac grid- connected power converter for wind energy conversion systems 

    Caballero Diaz, Luis (Date of defense: 2017-06-16)

    The demand of wind energy has considerably increased during the last decades. In order to fulfil this great energy demand, wind energy conversion systems (WECS) are designed to manage higher power ratings. Currently, the ...

    Contributions to the design of energy harvesting systems for autonomous sensors in low power marine applications 

    Carandell Widmer, Matias (Date of defense: 2022-04-28)

    Oceanographic sensor platforms provide biological and meteorological data to help understand changes in marine environment and help to preserve it. Lagrangian drifters are autonomous passive floating platforms used in ...

    Contributions to the design, development and evaluation of network processors for automotive zonal gateway controllers 

    González Mariño, Ángela (Date of defense: 2023-10-27)

    (English) This PhD dissertation analyzes the evolution of vehicular networks and focuses on the main network processing platform integrated in them: the Gateway (GW). First, a thorough analysis of state of the art technologies ...

    Contributions to the determination of electromagnetic bias in Gnss-R altimetry 

    Ghavidel, Ali (Date of defense: 2015-07-14)

    In this Ph. D. dissertation the electromagnetic bias in GNSS-R (Global Navigation Satellite Systems Reflectometry) altimetry has been studied. GNSS-R altimetry is a new type of system that uses navigation signals as signals ...

    Contributions to the determination of thermal behaviour of façades using quantitative internal IRT (Infrared Thermography) 

    Tejedor Herrán, Blanca (Date of defense: 2019-01-24)

    Within the European framework, most of residential buildings do not satisfy the minimum thermal specifications. In fact, the renovation rate across the EU is estimated at 1% per year. To fulfil with the goals stated by ...