Now showing items 2797-2816 of 3213

    Study of the theoretical bounds and practical limits of time synchronization protocols using an Ethernet FPGA platform 

    Nicolau Jené, Carles (Date of defense: 2011-02-07)

    The goal of synchronization is to align/synchronize the time and frequency scales of all nodes within a network. In industrial applications, synchronization enables simultaneous triggering of distributed events and ...

    A study on autocatalysis through synthetic biology. Exploration of spatiotemporal dynamics in the presence or absence of synthetic autocatalytic Hepatocyte Growth Factor signaling in mammalian cells 

    Bárcena Menéndez, Diego (Date of defense: 2016-10-17)

    Una de las preguntas sin resolver en la biologia celular, es como las células mamíferas logran generar patrones estables como organos o seres vivos, en un entorno variable. El concepto matemático del bucle de retreoalimentación, ...

    A Study on public-private collaboration: motivations and consequences, measuring success with key dimensions, comparing leadership 

    Alsina Burgués, Victòria (Date of defense: 2017-12-21)

    Public-private collaboration (PPC) is a phenomenon that has grown spectacularly since the early 1980s. Currently, policy-making processes usually develop in complex networks of public and private institutions, and public ...

    Studying collaborative learning space design with multimodal learning analytics 

    Vujovic, Milica (Date of defense: 2021-06-16)

    Research has provided relevant advances in evidence-based design for productive learning. For example, in the field of collaborative learning, there is extensive evidence for some key learning design elements, such as ...

    Studying depression through big data analytics on Twitter 

    Leis Machín, Angela 1974- (Date of defense: 2021-03-18)

    Mental disorders have become a major concern in public health, since they are one of the main causes of the overall disease burden worldwide. Depressive disorders are the most common mental illnesses, and they constitute ...

    Subjectivitat i autorepresentació en el cinema d'Agnès Varda 

    Merino Serrat, Imma (Date of defense: 2013-02-01)

    Agnès Varda ha deixat empremtes visibles de la seva subjectivitat en una filmografia desenvolupada pràcticament en sis dècades. El propòsit és abordar el conjunt de l’obra cinematogràfica de Varda rastrejant-hi aquestes ...

    La Subsanación de los defectos procesales 

    Gorigoitía Abbott, Felipe (Date of defense: 2012-10-05)

    El presente trabajo trata acerca de la subsanación de los defectos procesales en el procedimiento civil español. Se funda en la tesis de la subsanación como el mecanismo prioritario de eliminación de imperfecciones, por ...

    Subtitling for the deaf and the hard of hearing in Spain: a study on media accessibility, accessibility studies and the standard UNE 153010:2012 

    Cepak, Roberta (Date of defense: 2022-01-31)

    This study examines the opinions of the Deaf and Hard-of-Hearing and hearers of Spain with regards to the subtitling services currently offered by the Spanish Digital Television, with the aim of integrating them in a list ...

    Succinct arguments: efficiency, assumptions and trade-offs 

    Zacharakis, Alexandros (Date of defense: 2022-10-10)

    Succinct non-interactive arguments (snarks) are cryptographic constructions that allow a prover to convince a verifier about the validity of a statement regarding some computation. We consider these objects from the ...

    Suicidal thoughts and behaviours in adolescents and young adults : disentangling the role of gender and sexual orientation 

    Miranda Mendizabal, Andrea (Date of defense: 2020-03-06)

    Suicide is the second leading cause of death among 15- to 29-year-olds. Male youths have higher risk for suicide compared to females, whereas females are at greater risk for suicidal ideation and suicide attempts. Mental ...

    Super-resolution imaging uncovers key temporal changes in chromatin structure and pluripotent gene reactivation in single reprogramming cells 

    Martinez Sarmiento, Jose Angel (Date of defense: 2023-05-04)

    Elucidating the mechanism of somatic cell reprogramming has been hampered by the limitations of iPSC systems to uncover the correctly reprogramming cells. Here, by using the highly efficient heterokaryon system we dissected ...

    Supervised Identification of the User Intent of Web Search Queries 

    González-Caro, Cristina (Date of defense: 2011-09-27)

    As the Web continues to increase both in size and complexity, Web search is a ubiquitous service that allows users to find all kind of information, resources, and activities. However, as the Web evolves so do the needs of ...

    Supporting teachers as designers with community and learning analytics : a framework, technology, and case studies 

    Michos, Konstantinos (Date of defense: 2019-03-26)

    The notion of teachers as designers of learning environments has emerged with the increasing use of Information and Communication Technologies (ICT) in Education. Research in Learning Design (LD) studies how to support ...

    Symmetries in constraint satisfaction: Weisfeiler-Leman invariance and promise problems 

    Butti, Silvia (Date of defense: 2022-10-20)

    This thesis focuses on the complexity of the fixed-template Constraint Satisfaction Problem (CSP) and its variants. Our contributions are two-fold. On the one hand, we study how closure of the space of CSP instances under ...

    Synthesis of fatty acid derivatives of catechol compounds that exhibit negative modulation of food intake and antioxidant properties 

    Almeida Cotrim, Bruno (Date of defense: 2011-01-10)

    Obesity constitutes a problem whose manifestations have consequences in almost every field of the medicine and nowadays there is a lack of pharmacological therapy alternatives for its long term treatment. Lipidic compounds ...

    Synthetic biology in Mycoplasma pneumoniae 

    Paetzold, Bernhard (Date of defense: 2013-12-02)

    M. pneumoniae is one of the smallest self-replicating organisms. Many organism wide studies have been performed on M. pneumoniae and provide a wealth of information on the bacteria. However, the genetic tools to manipulate ...

    Synthetic view of retail spaces using camera and RFID sensors on a robot 

    Nur, Kamruddin Md. (Date of defense: 2016-01-11)

    In this thesis, two approaches of information presentation on indoor view have been presented using Radio-Frequency Identification (RFID) and camera sensors on a robot. The goal is to capture images of the indoor environment ...

    System-level performance of interference-aware spatial frequency reuse 

    Mungara, Ratheesh Kumar (Date of defense: 2016-12-01)

    Spatial frequency reuse is a long-established approach for enhancing the capacity of wireless systems through increased spectral efficiency (bits per second per unit bandwidth). The future 5th generation of wireless systems ...

    Systematic and quantitative analysis of the early embryonic development of Caenorhabditis elegans 

    Krüger, Angela (Date of defense: 2012-12-14)

    The embryo of Caenorhabditis elegans is a model system in which development can be studied at single cell resolution. In this thesis I describe the use of a semi-automatic nuclear tracking algorithm to analyze cellular ...

    Systematic functional analyses of spliceosomal components reveal novel mechanisme of alternative splicing regulation 

    Tejedor Vaquero, Juan Ramón (Date of defense: 2014-06-11)

    Alternative splicing is an essential regulatory layer of gene expression that expands the coding potential of the genome in multicellular organisms. The spliceosome -the sophisticated machinery involved in intron removal- ...