Now showing items 41-60 of 3276

    Characterization of left atrial hemodynamics with 4D flow magnetic resonance imaging, in-silico models and deep learning 

    Morales Ferez, Xabier (Date of defense: 2024-04-26)

    Although the left ventricle has traditionally held the spotlight as the primary determinant of cardiovascular disease prognosis, the characterization of left atrial hemodynamics is increasingly being recognized as a ...

    Large scale off-policy and offline learning 

    Gabbianelli, Germano (Date of defense: 2024-03-07)

    Reinforcement Learning (RL), a subfield of machine learning and artifical intelligence, is a learning paradigm where an artificial agent learns to reach a predefined goal by trying to maximize a reward signal while ...

    Geopolitics of Violent Non-State Actors: Exploring manifestations of statehood by violent governors 

    Nizzero, Maria (Date of defense: 2024-02-22)

    In the twentieth century, violent non-state actors (VNSAs) have emerged as significant contenders to states. These entities thrive in areas of low (or non-existent) formal state control and engage in the delivery of public ...

    Interactive language learning in deep network agents 

    Dessí, Roberto (Date of defense: 2024-04-12)

    Recent advances in language modeling led to remarkable performance in many NLP applications. However, the static and passive learning imposed by the nexttoken- prediction objective makes models suboptimal when deployed in ...

    Prediction of mental health crises based on electronic health records: probabilistic and machine learning models for clinical applications 

    Garriga Calleja, Roger (Date of defense: 2024-02-29)

    This thesis delves into the transformative potential of Electronic Health Records and Machine Learning in the prevention of mental health crisis relapses. Our work focuses on the prediction of these relapses throughout the ...

    Toward a new model of borderline personality disorder: a psychophysiological approach on the link between emotional and behavioural dysregulation 

    Galli, Marco (Date of defense: 2022-05-20)

    Borderline personality disorder (BPD) is one of the most studied personality disorders, given its prevalence and the severity of its symptoms. In the last years, several models of the disorder were presented, however, no ...

    The role of conflict in perception: case studies in binocular rivalry, cinema and flavour 

    Drew, Alice (Date of defense: 2024-02-01)

    Our everyday perception of the world is remarkably unambiguous, considering that it stems from a multitude of ambiguous sensory signals. This feat is believed to be achieved by a set of perceptual and cognitive mechanisms ...

    A journey in representation learning textual emotion detection and structural graph encodings 

    Álvarez González, Francisco Nurudín (Date of defense: 2024-03-20)

    Representation learning is the field of modern machine learning focused on automatically producing useful representations from data. This thesis studies the impact of data volumes, annotation perspectives, and structural ...

    Computational analysis of fetal brain development with patient-specific modelling and deep learning techniques 

    Alenyà Sistané, Mireia (Date of defense: 2024-02-19)

    This dissertation presents a novel computational pipeline for creating patient-specific models of brain development. Initially, the human brain develops from a smooth to a convoluted cortical surface, with abnormal ...

    Activismo judicial revisitado: historia conceptual hacia un proyecto meliorativo y defensa de una concepción autoritativa para el Estado constitucional 

    García, Leonardo (Date of defense: 2024-01-30)

    La motivación de este trabajo es sustentar un concepto de activismo judicial reconstruido, no desde el intento quintaesencial de definirlo o desde una mera definición estipulativa, sino desde un análisis diacrónico y ...

    Las peticiones sacerdotales en el Egipto helenístico (332-30 BCE) 

    Funes Jiménez, Javier (Date of defense: 2024-02-23)

    Desde una perspectiva material y sociológica, esta tesis estudia la conexión entre sacerdotes y peticiones en el Egipto helenístico. Se analiza el lenguaje visual de las peticiones producidas por sacerdotes, observando las ...

    Impacts of early-life vitamin D on child and adolescent health outcomes 

    Sangüesa Boix, Júlia (Date of defense: 2024-06-13)

    Els baixos nivells de vitamina D durant l’embaràs i els primers anys de la vida són freqüents en dones embarassades i en nadons i, a més, poden tenir implicacions per a la salut de l’infant a llarg termini. Malgrat això, ...

    Biological brain-age prediction using machine learning on neuroimaging data: links with pathophysiological mechanisms, dementia risk factors and cognitive decline 

    Cumplido Mayoral, Irene (Date of defense: 2024-06-07)

    This thesis explores the links between neuroimaging-derived brain-age, which is computed using machine learning techniques, and different pathophysiological mechanisms, dementia risk factors and cognitive decline in ...

    Exploring the genetic diversity of European ants and butterflies 

    Menchetti, Mattia (Date of defense: 2024-06-07)

    Biodiversity encompasses the great variety of organisms that exist on Earth, as well as their genetic variation and the ecosystems of which they are part. In this thesis, two diverse and ecologically important groups are ...

    Kill your darlings nostalgia autofágica en multiplicidades fílmicas y televisivas contemporáneas 

    Brunella Tedesco Barlocco, María (Date of defense: 2024-02-27)

    Ningún retorno se define por la repetición prístina, la recuperación impoluta. En el encuentro entre pasado y presente existe una fricción ineludible, constructora de sentidos. Esta tesis buscará indagar cómo se articulan ...

    Bailar la muerte hacia una historiografía audiovisual del framenco en el franquismo 

    Parés Velasco, Luis Enrique (Date of defense: 2024-02-23)

    Esta tesis trata de estudiar la representación visual del flamenco en el cine español durante el franquismo. El flamenco, tan presente en el imaginario con que lo español se presenta y se constituye, ha sido sin embargo, ...

    Online discussion forum and political communication: Nairaland in Nigeria. An interplay between a digital platform and politics 

    Ogundeji, Olusegun Israel (Date of defense: 2024-02-02)

    There are several reasons why politics is the most discussed topic on Nigeria’s and perhaps Africa’s largest online discussion forum, Nairaland. As Nigeria grows in its population and digital landscape, including with ...

    La Kitchen Comedy en la historia del cine una relectura de los fracasos domésticos femeninos desde una perspectiva reivindicativa 

    da Silva Diefenthaeler, Samantha (Date of defense: 2024-03-01)

    Este trabajo de investigación tiene como objetivo explorar la historia del cine a través de las comedias protagonizadas por mujeres en el entorno doméstico de la cocina. Estas películas, puntualmente conocidas como kitchen ...

    Towards development of novel circular RNA-based antiviral therapies 

    Alonso, Florencia Evelin (Date of defense: 2024-06-04)

    Currently, there are no antiviral strategies to rapidly respond to novel emerging viruses or to mosquito borne viruses. On this thesis we have developed an innovative artificial circular RNA (circRNA) antiviral platform ...

    Integrating computational techniques for enhanced understanding of protein-protein interactions and the human interactome 

    Bota, Patricia Mirela (Date of defense: 2024-05-21)

    Protein-protein interactions (PPIs) are fundamental in driving biological processes and maintaining life’s diverse functions. They play a key role in cellular regulation, facilitating our understanding of both basic ...