León Gutiérrez, Xavier (Date of defense: 2013-07-05)
Large scale computing infrastructures need scalable and effi cient resource allocation mechanisms to ful l the requirements of its participants and applications while the whole system is regulated to ...
Sabir, Ahmed (Date of defense: 2020-11-10)
This thesis addresses the problem of improving text spotting systems, which aim to detect and recognize text in unrestricted images (e.g. a street sign, an advertisement, a bus destination, etc.). The ...
Lu, Xufei (Date of defense: 2022-07-15)
The objectives of this thesis are (i) to understand the thermal, metallurgical and mechanical behavior during AM, (ii) to shed light on the generation of residual stresses and the stress-induced ...
Torras Melenchón, Núria (Date of defense: 2017-11-16)
For years, we are in the middle of a crisis of scientific and technological vocations, which is found year after year in the number of students enrolled in science and technology studies. If that trend ...
Caballero de Gea, Diego Luis (Date of defense: 2015-12-11)
SIMD instruction sets are a key feature in current general purpose and high performance architectures. SIMD instructions apply in parallel the same operation to a group of data, commonly known as vector. ...
Prat Masramon, Gabriel (Date of defense: 2016-02-01)
In this thesis we study feature subset selection and feature weighting algorithms. Our aim is to make their output more stable and more useful when used to train a classifier. We begin by defining the ...
Martínez Estévez, Ariadna (Date of defense: 2020-06-29)
In order to cope with the serious and urgent problem of global warming, it is imperative to reduce the impact of CO2 emissions in the atmosphere. One of the alternatives proposed involves the injection ...
Velasco Mansilla, Domitila Violeta (Date of defense: 2013-12-17)
The detailed 3D hydrogeological modelling of sedimentary media that form important aquifers is very complex because of: (1) the natural intrinsic heterogeneity of the geological media, (2) the need for ...
Paillissé Vilanova, Jordi (Date of defense: 2021-07-23)
Overlay networks are a technique to build a new network on top of an existing one. They are a key tool to add functionality to existing networks, and are used in different layers of the Internet stack ...
Cavaliere, Fabiola (Date of defense: 2022-04-06)
In order to be worldwide competitive, the automotive industry is constantly challenged to produce higher quality vehicles in the shortest time possible and with the minimum costs of production. Most of ...