Now showing items 7754-7773 of 41967
Timoté Bejarano, Cristhian Camilo (Date of defense: 2023-03-27)
(English) This document presents the collection of four manuscripts published during my Doctoral academic formation, which main goal has been the real-time implementation of tools to monitor the ionosphere using Global ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...