Now showing items 21-40 of 58

    Engaging learners and facilitating teachers in practice-based learning 

    Iftikhar, Sidra (Date of defense: 2024-03-25)

    This research provides an in-depth understanding of student engagement and its indicators for practice-based learning contexts, specifically for the tools. The analysis of engagement in educational contexts is the basis ...

    Enterprise reference architectures for higher education institutions: Analysis, comparison and practical uses 

    Sanchez Puchol, Felix (Date of defense: 2022-04-29)

    Enterprise Architecture (EA) is currently accepted as one on the major instruments for enabling organisations in their transformation processes to achieve business-technology alignment. Despite that over the last years EA ...

    Forensic imaging and analysis of Apple iOS devices 

    Gomez-Miralles, Luis (Date of defense: 2016-07-26)

    In this thesis we present our research on digital forensics on the iOS platform, structured along three areas: forensic imaging; forensic analysis; and anti-forensic techniques. In the field of forensic imaging, we demonstrate ...

    Framework for privacy-aware content distribution in peer-to- peer networks with copyright protection 

    Qureshi, Amna (Date of defense: 2014-11-25)

    The use of peer-to-peer (P2P) networks for multimedia distribution has spread out globally in recent years. This mass popularity is primarily driven by the efficient distribution of content, also giving rise to piracy and ...

    From metaheuristics to learnheuristics: Applications to logistics, finance, and computing 

    Calvet Liñán, Laura (Date of defense: 2017-07-12)

    Un gran nombre de processos de presa de decisions en sectors estratègics com el transport i la producció representen problemes NP-difícils. Sovint, aquests processos es caracteritzen per alts nivells d'incertesa i dinamisme. ...

    Guided requirements engineering using feature oriented software modeling 

    Sreekumar, Anjali (Date of defense: 2023-05-23)

    A well-defined software requirements specification uniquely describes a functionality or part of a functionality of the software product and is consistent with the definitions and descriptions of the other functionalities ...

    High capacity data embedding schemes for digital media 

    Fallahpour Reza, Mehdi (Date of defense: 2009-12-14)

    High capacity image data hiding methods and robust high capacity digital audio watermarking algorithms are studied in this thesis. The main results of this work are the development of novel algorithms with state-of-the-art ...

    Human body parts segmentation via stacked and multi-task learning 

    Sánchez Abril, Daniel (Date of defense: 2019-10-09)

    La segmentació de persones en imatges RGB ha estat un problema central en el camp de la visió per computador. En aquesta tesi abordem el problema mitjançant hand-crafted features en un pipeline de dues etapes tant per ...

    ICT Adoption for women's development in Mexico 

    Martínez Mancilla, Yolanda (Date of defense: 2021-07-13)

    This research aimed to explore whether the adoption of ICT enhances the development of women living in impoverished urban communities in Mexico. The objective was to identify women's motivation to participate in a digital ...

    Image steganalysis and steganography in the spatial domain 

    Lerch-Hostalot, Daniel (Date of defense: 2017-04-23)

    In this dissertation, we propose different novel techniques both to detect hidden information (steganalysis) and to hide information (steganography). These techniques are presented in the form of a collection of five ...

    An information security model based on trustworthiness for enhancing security in on-line collaborative learning 

    Miguel Moneo, Jorge (Date of defense: 2015-10-02)

    L'objectiu principal d'aquesta tesi és incorporar propietats i serveis de la seguretat en sistemes d'informació en l'aprenentatge col·laboratiu en línia, seguint un model funcional basat en la valoració i predicció de la ...

    Integrating secure mobile P2P systems and Wireless Sensor Networks 

    Domingo Prieto, Marc (Date of defense: 2017-03-03)

    Aquesta tesi tracta de les diferents limitacions trobades a WSN per a habilitar-ne el desplegament en nous escenaris i facilitar la difusió de la informació obtinguda. A un nivell baix, ens centrem en el consum d’energia, ...

    IoT@run-time: a model-based approach to support deployment and self-adaptations in IoT systems 

    Alfonso, Ivan (Date of defense: 2022-12-05)

    Today, most Internet of Things (IoT) systems leverage edge and fog computing to meet increasingly restrictive requirements and improve quality of service (QoS). Although these multi-layer architectures can improve system ...

    Leveraging mobile phone-based technologies to provide on-demand adolescent sexual reproductive health information in a resource-limited setting: Kibra, Nairobi County 

    macharia, paul (Date of defense: 2022-12-13)

    Adolescents transitioning from childhood to adulthood need to be equipped with reproductive health (SRH) knowledge, skills, attitudes, and values that empower them. The prevalence of pregnancy and STIs among adolescents ...

    Lightweight PRNG for Low-Cost Passive RFID Security Improvement 

    Melià Seguí, Joan (Date of defense: 2011-04-12)

    Els sistemes RFID estan composats per tags (coneguts també amb el nom d'etiquetes electròniques) que emmagatzemen un codi d'identificació que es pot obtenir via radiofreqüència per un equip lector, i ser transmesa a la ...

    L’Acord marc d’homologació de serveis TIC de la Generalitat de Catalunya: un cas d’aprovisionament de SSTI a l’administració pública 

    Marco Simó, Josep Maria (Date of defense: 2013-02-15)

    L'externalització de Sistemes, Serveis i Tecnologies de la Informació (SSTI) és una pràctica habitual al sector privat que ja ha estat àmpliament estudiada a la literatura científica. En canvi, al context del sector públic, ...

    Model-driven round-trip engineering of REST APIs 

    Ed-douibi, Hamza (Date of defense: 2019-05-13)

    Les API web s'han convertit cada vegada més en un actiu clau per a les empreses, que n'han promogut la implementació i la integració en les seves activitats quotidianes. A la pràctica, la majoria d'aquestes API web són ...

    Modeling and distributed computing of snow transport and delivery on meso-scale in a complex orography 

    Ward Koeck, Alan (Date of defense: 2015-09-14)

    Aquest estudi descriu els principis de funcionament i validació d'un model d'ordinador de dinàmica de fluids computacional del procés de caiguda de neu sobre una orografia complexa. Es discretitza el domini espacial amb ...

    Modeling of emotional subjectivity in affective-based predictive systems 

    Hayat, Hassan (Date of defense: 2023-04-19)

    One of the goals of affective computing is to develop affective technologies that can understand humans emotionally and make their life better. Human emotions are highly subjective in nature. This is why systems that ...

    El modelo TPACK y la taxonomía S.O.L.O (Structure of Observed Learning Outcome) para la integración de TIC en los procesos de Enseñanza Aprendizaje (E-A). Diseño y evaluación de un programa en línea para docentes de matemáticas del Departamento del Huila (Colombia) 

    SANCHEZ MEDINA, IRLESA INDIRA (Date of defense: 2022-11-30)

    La tesis doctoral tiene como objetivo validar el modelo TPACK utilizando la taxonomía SOLO mediante un programa de formación en línea para que docentes del área de matemáticas lleven a cabo su labor en instituciones ...