Now showing items 17942-17961 of 41729

    Exploiting high pressure advantages in catalytic hydrogenation of carbon dioxide to methanol 

    Bansode, Atul Baban (Date of defense: 2014-03-27)

    The aim of this thesis was to develop highly efficient CO2 hydrogenation process towards methanol by making use of high pressure approach. A high pressure lab scale plant was developed to conduct CO2 hydrogenation up to ...

    Exploiting implicit user activity for media recommendation 

    Trevisiol, Michele (Date of defense: 2014-10-15)

    This thesis explores in depth how to use the user browsing behavior, and in particular the referrer URL, in order to understand the interest of the users. The aim is, first, to understand the preferences of the users from ...

    Exploiting nonlinearity and noise in optical tweezers and semiconductor lasers : from resonant damping to stochastic logic gates and extreme pulses 

    Perrone, Sandro (Date of defense: 2014-02-07)

    This thesis is focused on the study of stochastic and nonlinear dynamics in optical systems. First, we study experimentally the dynamics of a Brownian nanometer particle in an optical trap subjected to an external forcing. ...

    Exploiting novel automated analytical methodologies for the monitoring of environmental organic pollutants, and its potential incorporation to environmental monitoring regulations 

    Rodríguez-Navas González, Carlos (Date of defense: 2012-10-19)

    Se han desarrollado métodos analíticos basados en cromatografía y detección por espectrometría de masas para la detección de múltiples compuestos orgánicos a niveles traza en muestras de interés ambiental. Se han determinado ...

    Exploiting optical signal analysis for autonomous communications 

    Sequeira, Diogo Gonçalo (Date of defense: 2022-10-31)

    (English) Optical communications have been extensively investigated and enhanced in the last decades. Nowadays, they are responsible to transport all the data traffic generated around the world, from access to the core ...

    Exploiting Organocatalysis in Photochemical Processes 

    Cuadros Huertas, Sara (Date of defense: 2019-10-17)

    El treball descrit en aquesta dissertació es centra en la implementació d’estratègies organocatalítiques per superar les limitacions de processos fotoquímics establerts. Específicament, dues transformacions impulsades per ...

    Exploiting protein fragments in protein modelling and function prediction 

    Bonet Martínez, Jaume (Date of defense: 2015-01-30)

    Proteins are the basic functional and structural blocks of life. Knowledge of their structure and function is key to understand how it works. Lately, the gap between new discovered proteins and systematically studied ones ...

    Exploiting similarity hierarchies for multi-script scene text understanding 

    Gómez-Bigordà, Lluís (Date of defense: 2016-04-08)

    En aquesta tesi s'aborda el problema de la comprensió de text automàtic en condicions sense restriccions. En particular, abordem les tasques de detecció, el seguiment, i el reconeixement de text multi-idioma amb orientació ...

    Exploiting spatial modulation and analog network coding for the design of energy-efficient wireless networks 

    Ntontin, Konstantinos (Date of defense: 2015-11-03)

    As the data rate demands of the cellular users increase, together with their number, it is expected that unprecedented capacity demands should be met in wireless networks in the forthcoming years. However, the energy ...

    Exploiting spatio-temporal correlations for energy management policies 

    Martínez Huerta, Borja (Date of defense: 2015-05-05)

    Estamos viviendo una nueva era, caracterizada por la omnipresencia de dispositivos inteligentes conectados a la red. En esta era, la emergencia de la llamada Internet of Things (IoT) está transformando profundamente la ...

    Exploiting task-based programming models for resilience 

    Jaulmes, Luc (Date of defense: 2019-06-21)

    Hardware errors become more common as silicon technologies shrink and become more vulnerable, especially in memory cells, which are the most exposed to errors. Permanent and intermittent faults are caused by manufacturing ...

    Exploiting the Interplay between Visual and Textual Data for Scene Interpretation 

    Gómez Bruballa, Raúl Álamo (Date of defense: 2020-10-08)

    L'experimentació en aprenentatge automàtic en escenaris controlats i amb bases de dades estàndards és necessària per a comparar el rendiment entre algoritmes avaluant-los sota les mateixes condicions. Però també és necessària ...

    Exploiting the multiscale synergy among ocean variables : application to the improvement of remote sensing salinity maps 

    Umbert Ceresuela, Marta (Date of defense: 2015-10-23)

    Les imatges de teledetecció de la superfície oceànica proporcionen una vista sinòptica de la complexa geometria de la circulació oceànica, dominada per la variabilitat de mesoescala. Estructures com filaments i vòrtex són ...

    Exploiting verb similarity for event modelling 

    Gil Vallejo, Lara (Date of defense: 2020-03-20)

    Aquest treball s'emmarca en l'àmbit del processament del llenguatge natural. Té l'objectiu d'explorar el potencial de la similitud verbal i, més concretament, de les classificacions verbals, a l'hora de capturar i modelitzar ...

    Exploiting Wireless Communications for Localization: Beyond Fingerprinting 

    Bravenec, Tomáš (Date of defense: 2023-12-18)

    The field of Location-based Services (LBS) has experienced significant growth over the past decade, driven by increasing interest in fitness tracking, robotics, and eHealth. This dissertation focuses on evaluating privacy ...

    Exploiting wireless local area network density to improve energy and bandwidth allocation in internet access networks 

    Gomà Llairo, Eduard (Date of defense: 2014-03-07)

    Residential access networks provide always-on connectivity at a constant maximum speed and constant energy consumption. However, their usage is not constant. Users combine disconnection periods with light usage periods and ...

    Exploiting word embeddings for modeling bilexical relations 

    Madhyastha, Pranava Swaroop (Date of defense: 2017-07-25)

    There has been an exponential surge of text data in the recent years. As a consequence, unsupervised methods that make use of this data have been steadily growing in the field of natural language processing (NLP). Word ...

    Exploració computacional de compostos bioactius: reactivitat i interacció lligand-receptor 

    Llabrés Prat, Salomé (Date of defense: 2015-07-09)

    La present tesis doctoral, presentada com a compendi de publicacions, té com a objectiu general l’estudi de la diversitat en l’espai químic i l’establiment de relacions amb l’espai biològic mitjançant l’ús de tècniques ...

    Exploració dels models explicatius sobre mobilitat des de la perspectiva de la complexitat. El cas d’un grup d’alumnes d’Andorra 

    Fonolleda Riberaygua, Marta (Date of defense: 2012-01-27)

    Aquesta recerca pretén descriure els models explicatius al voltant del fenomen de la mobilitat urbana a Andorra per tal de tenir dades que puguin orientar el disseny d’activitats educatives que abordin la mobilitat des de ...

    Exploración de aguas subterráneas en el Arco Seco de Panamá (Sector de Las Tablas) mediante métodos geofísicos 

    Caballero, Alberto (Date of defense: 2010-01-19)

    La investigación se ha desarrollado en la región de Las Tablas, ubicada en el denominado Arco Seco de la República de Panamá. En esta región, el abastecimiento de agua potable, debido al aumento de la población, se ve ...