Now showing items 2286-2305 of 3494

    Motivations, engagement, and incentives in online communities: contributions to theory, data analytics and design 

    Gutiérrez Páez, Nicolás Felipe (Date of defense: 2022-06-22)

    The success of an online community depends on the contributions and actions performed by the community members. This dissertation aims to understand the dynamics of participation in regulated, not-for-profit, open online ...

    Motivations, identities and selves in the here-and-now of learners of a foreign language 

    Machin, Elizabeth Anne-Marie (Date of defense: 2020-12-17)

    The main aim of this doctoral research was to explore the motivations of foreign language learners / users, and to offer insights into what a foreign language means to them in the here-and-now, and how they experience ...

    The mouse cortex regulome. Effects of environmental enrichment on postnatal brain development 

    Espeso Gil, Sergio (Date of defense: 2016-12-05)

    El reguloma està constituït per un sistema complex de factors que controlen el fenotip molecular de la cèl·lula, que al seu torn està influenciada pel medi ambient. Qualsevol pertorbació pot desencadenar canvis que poden ...

    mtDNA dynamics are a driving force of cell-to-cell heterogeneity in Saccharomyces cerevisiae 

    Missarova, Alsu (Date of defense: 2018-04-09)

    Isogenic cells exhibit a large degree of cell-to-cell heterogeneity in proliferation, with a subpopulation of cells growing at a substantially lower rate. We conducted a high throughput microscopy screen to determine the ...

    Mujeres africanas y afrodescendientes en la Guerra de los Diez Años en Cuba, 1868-1878, género e insurgencia 

    Andrés Bauzá, Carla (Date of defense: 2025-03-21)

    Esta tesis doctoral sostiene que las actividades de las mujeres africanas y afrodescendientes en la Guerra de los Diez Años o la primera guerra de independencia cubana contra el colonialismo español (1868–1878) transformaron ...

    Mujeres de Libia: una realidad desconocida 

    Legweil, Nadia (Date of defense: 2024-04-15)

    Dada la escasa información existente sobre el colectivo femenino libio, la presente tesis visibiliza el caso de las mujeres libias, analiza sus contribuciones e interpreta los cambios sociales recuperando sus actividades, ...

    Multi-atlas segmentation and analysis of the fetal brain in ventriculomegaly 

    Benkarim, Mohamed Oualid (Date of defense: 2018-09-14)

    Nowadays, imaging of the human brain is vastly used in clinical settings and by the neuroscientific research community. There is an ever-increasing demand for novel biomedical image analysis approaches and tools to study ...

    Multi-cue image integration for cardiac tissue characterization 

    Porras Pérez, Antonio Reyes (Date of defense: 2015-06-08)

    Una caracterización precisa y completa del tejido cardíaco es esencial para el diagnóstico y tratamiento de problemas cardíacos. Para caracterizar la función cardíaca desde diferentes perspectivas, en la práctica clínica, ...

    Multi-epitope peptide platforms for vaccine applications 

    Forner, Mar (Date of defense: 2021-02-24)

    Vaccination constitutes one of the most efficient and cost-effective methods of promoting global health. Nevertheless, few vaccines are fully effective, for manifold reasons ranging from intrinsic limitations to more ...

    Multi-feature machine learning analysis for an improved characterization of the cardiac mechanics 

    Sánchez Martínez, Sergio (Date of defense: 2018-09-21)

    This thesis focuses on the development of machine learning tools to better characterize the cardiac anatomy and function in the context of heart failure, and in particular their extension to consider multiple parameters ...

    Multi-link operation for low-latency 

    Carrascosa Zamacois, Marc (Date of defense: 2024-12-10)

    Next generation applications will have strict network requirement, such as higher throughput and low latency. As Wi-Fi continues to grow, it needs to adapt to these new requirements. This thesis focuses on latency reduction ...

    Multi-omics characterization of histone H1 variants genomic distribution and their contribution to chromatin compartmentalization and transposable elements regulation 

    Serna Pujol, Núria (Date of defense: 2024-09-27)

    The human histone H1 family comprises up to seven somatic subtypes. Using an integrative multi-omics approach that incorporates ChIP-Seq, Hi-C, RNA-Seq, and ATAC-Seq data, this thesis explores the genome-wide distribution ...

    Multi-scale study of the genome architecture and its dynamical facets 

    Soler Vila, Paula (Date of defense: 2019-12-09)

    High-throughput Chromosome Conformation Capture (3C) techniques have provided a comprehensive overview of the genome architecture. Hi-C, a derivative of 3C, has become a reference technique to study the 3D chromatin structure ...

    Multidimensional studies of depression and antidepressant response : behavioural models, molecular and structural approaches 

    Ortiz Teba, Pilar (Date of defense: 2023-07-05)

    Depression is a major public health problem, affecting 322 million people worldwide. Antidepressants are the basis for the treatment of major depression. Although increasingly safer, individual patient response variability ...

    Multilingual adaptative text simplification 

    Sheang, Kim Cheng (Date of defense: 2023-11-02)

    Reading is an essential skill that plays a crucial role in our daily lives. It allows us to access information, gain knowledge, expand our understanding of the world around us, and build the foundation for learning, ...

    Multilingual literacy practices of students aged 6-14 at a Japanese school in Catalonia: language, writing systems and technology 

    Fukukawa, Misa (Date of defense: 2019-06-18)

    Recently, multiliteracy has received lots of attention. Due to increased migration, globalisation and intermarriage, as of 2017, there are 203 Hoshukos (Japanese school located outside of Japan) spread across 56 different ...

    Multilingual retrieval of crisis-relevant information from social media 

    Vitiugin, Fedor (Date of defense: 2023-10-06)

    Social media is a valuable platform for sharing real-time perspectives and insights, particularly during dynamic events. Extracting relevant information from social media during emergencies can be challenging, especially ...

    Multimodal 3D computer planning system for the implantation of stereotactic electrodes in refractory epilepsy 

    Higueras-Esteban, Alfredo (Date of defense: 2021-06-17)

    Neurosurgery is evolving towards the use of minimally invasive procedures. In this dissertation, we present several tools designed to fulfill the multimodal and multidisciplinary requirements of Stereoencephalography (SEEG) ...

    Multimodal phonetic training: the benefits of hand gestures on learning L2 sounds 

    Xi, Xiatong (Date of defense: 2023-09-22)

    In the realm of second language acquisition of pronunciation, perception-based phonetic training has been shown to be effective in improving L2 perception and production. By incorporating the visual modality of the speaker’s ...

    Multiobjetive optimization in models of synthetic and natural living systems 

    Seoane, Luís F. (Date of defense: 2016-05-13)

    This thesis tackles a series of phenomena across diverse fields from the point of view of optimization. The problems studied often bring together diverse conflicting constraints that cannot be fully satisfied. Out of ...