• Diggi: A Distributed Serverless Runtime for Developing Trusted Cloud Services 

      Gjerdrum, Anders Tungeland (Doctoral thesis; Doktorgradsavhandling, 2020-10-30)
      Cloud computing offers the convenience of outsourcing storage and processing power to a public shared environment. Physical infrastructure is managed by the cloud provider, allowing hosted services to be deployed without any upfront investment. Cloud infrastructure may additionally manage deployment, migration, scalability, and fault tolerance, transparently from the hosted service. Serverless ...
    • Display Scale in a ‘Document’ perspective : size matters 

      Olsen, Bernt Ivar (Doctoral thesis; Doktorgradsavhandling, 2012-11-26)
      The work summarized in this thesis has its basis in technology to support human collaboration. I have investigated how large, high-resolution display (LaHiRD) technology, implemented using display wall technology (large, tiled displays implemented as one coherent display surface) could support clinical work. Hence, I have worked with the topic of technological support for human collaboration (or ...
    • A distributed remote presence system for latency critical human-to-human and human-to-computer interaction 

      Tartari, Giacomo (Doctoral thesis; Doktorgradsavhandling, 2016-09-27)
      In a computer-based distributed stage performance, such as a theater play or opera, the actors and the audiences are spread among different stages in different locations. Actors in different cities can be on the same virtual stage and perform in front of an audience that can enjoy a whole consistent performance. A distributed stage performance raises a set of challenges both of a principled and of ...
    • A distributed remote presence system masking the effects of delays in human-to-human remote interaction 

      Su, Fei (Doctoral thesis; Doktorgradsavhandling, 2019-11-01)
      This dissertation presents MultiStage, a human-to-human interaction system meant to be use by actors on a stage to interact and perform with actors on other stages as if they were on the same stage. MultiStage includes several local side stages and a global side. It uses a publish-subscribe model to handle the handover of data streams. Local side produces data streams about actors to global side. ...
    • Distribution and quantification of gas hydrates and free gas in marine sediments of Vestnesa Ridge, offshore W-Svalbard 

      Singhroha, Sunny (Doctoral thesis; Doktorgradsavhandling, 2019-06-18)
      Gas hydrates store a large amount of methane (>500 Gt of Carbon) in continental margins and permafrost environments. Some of these deposits occur in climate sensitive areas, such as Arctic and permafrost settings. Gas hydrates occur extensively in the Vestnesa Ridge, a contourite drift deposit on the western Svalbard margin. The eastern segment of the Vestnesa Ridge is characterized by the presence ...
    • Distribution, depositional environment and post-depositional deformation of Cenozoic gravity-induced deposits along the western Barents Sea continental margin 

      Safronova, Polina (Doctoral thesis; Doktorgradsavhandling, 2013-10-01)
      Arktis er en av de få gjenværende, geologisk minst undersøkte, områdene i verden, hvor den norske kontinentalmarginen i Barentshavet nå blir undersøkt og har både vitenskapelig og industriell interesse. Formålet med doktorgradsavhandlingen er å få en bedre forståelse av interne og eksterne karakteristikker, utbredelse i rom og tid, sedimentasjonsmiljø og deformasjonsgrad av kenozoiske dypmarine ...
    • DNA metabolism in extremophiles Structure-function studies of proteins involved in DNA repair and replication from Aliivibrio salmonicida and Deinococcus radiodurans 

      Lian, Kjersti (Doctoral thesis; Doktorgradsavhandling, 2015-06-16)
      Deinococcus radiodurans is a gram-positive bacterium with a pink-orange colour first isolated in canned meat. The bacteria is remarkable amongst all species studied to date by its unusual ability to repair hundreds of radiation induced DNA double strand breaks where normal species can only repair a dozen. Our studies of the DNA polymerase III β-subunit (β-clamp) and Exonuclease III from D. radiodurans ...
    • Dutkat: A Privacy-Preserving System for Automatic Catch Documentation and Illegal Activity Detection in the Fishing Industry 

      Nordmo, Tor-Arne Schmidt (Doctoral thesis; Doktorgradsavhandling, 2023-08-17)
      United Nations' Sustainable Development Goal 14 aims to conserve and sustainably use the oceans and their resources for the benefit of people and the planet. This includes protecting marine ecosystems, preventing pollution, and overfishing, and increasing scientific understanding of the oceans. Achieving this goal will help ensure the health and well-being of marine life and the millions of people ...
    • Dynamics and statistical properties of blob structures in scrape-off layer plasmas 

      Kube, Ralph (Doctoral thesis; Doktorgradsavhandling, 2014-12-16)
      The velocity scaling of blobs, subject to dissipation by either electric currents to the sheaths, or dynamical friction, is studied by numerical simulations where the blob amplitude relative to the background plasma is a free parameter. When subject to dissipation by sheath currents, the radial velocity of a blob depends on the square of its cross field size l, vrad ∼ √l for small l. For large l, ...
    • EDMON - Electronic Disease Surveillance and Monitoring Network: A Personalized Health Model-based Digital Infectious Disease Detection Mechanism using Self-Recorded Data from People with Type 1 Diabetes 

      Woldaregay, Ashenafi Zebene (Doctoral thesis; Doktorgradsavhandling, 2021-05-28)
      Through time, we as a society have been tested with infectious disease outbreaks of different magnitude, which often pose major public health challenges. To mitigate the challenges, research endeavors have been focused on early detection mechanisms through identifying potential data sources, mode of data collection and transmission, case and outbreak detection methods. Driven by the ubiquitous nature ...
    • Effects of Geomagnetic Disturbances on Offshore Magnetic Directional Wellbore Positioning in the Northern Auroral Zone 

      Edvardsen, Inge (Doctoral thesis; Doktorgradsavhandling, 2016-01-29)
      This thesis focuses on how disturbances in the geomagnetic field, offshore northern Norway, may affect the accuracy of magnetic directional wellbore surveying. The topics discussed are, however, applicable to the entire northern auroral zone. Suggestions on how to manage the effect of increased geomagnetic activity on magnetic directional wellbore survey operations in and near the auroral zone are ...
    • Efficient Bayesian analysis of long memory processes applied to climate 

      Myrvoll-Nilsen, Eirik (Doctoral thesis; Doktorgradsavhandling, 2020-05-22)
      Temperature fluctuations can be described by a persistent correlation structure known as long-range dependence (LRD). This is a phenomenon which implies that the autocorrelation function follows a power-law decay and that observations may still be significantly correlated even if the temporal or spatial distance between them is large. Moreover, temperature is known to be influenced by radiative ...
    • Enhancing Decision-making in the Electric Power Sector with Machine Learning and Optimization 

      Eikeland, Odin Foldvik (Doctoral thesis; Doktorgradsavhandling, 2023-10-23)
      <p>The electric power system infrastructure is essential for modern economies and societies, as it provides the electricity needed to power homes, businesses, and industries. It is of critical importance that the operation of the electric power system is optimized to serve the electricity demand reliably and sustainably. Advances in machine learning and optimization have enabled the potential to ...
    • Environmental response to past and recent climate variability in the Trondheimsfjord region, central Norway - A multiproxy geochemical approach 

      Faust, Johan Christoph (Doctoral thesis; Doktorgradsavhandling, 2014-07-04)
      Norwegian fjords have a great potential for providing high-resolution sedimentary records that reflect local terrestrial and marine processes and therefore, fjords offer unique opportunities for the investigation of sedimentological and geochemical climatically induced processes. However, the complexity of fjord systems in terms of bathymetry and oceanography requires a profound knowledge of the ...
    • The EOS Formulation for Linear and Nonlinear Transient Scattering Problems 

      Lin, Aihua (Doctoral thesis; Doktorgradsavhandling, 2019-03-29)
      This thesis developed the EOS formulations of solving nonlinear transient scatterings, both for 1D case and 3D Maxwell's equations. This method can be accurately and stably implemented using one particular choice of numerical scheme for the inside of the objects and for the required integral representations of the boundary values. For a stable numerical solution, the time step needs to be confined ...
    • Expanding the toolbox for the study of antimicrobial peptides 

      Rainsford, Philip (Doctoral thesis; Doktorgradsavhandling, 2022-06-02)
      There is an urgent lack of new antibiotics in the face of an ever-expanding antimicrobial resistance crisis. The fact that fewer new classes of antibiotics are being developed, and resistance soon follows newly available antibiotics, only serves to underline the urgency of the matter. There is a clear need of a paradigm shift with regards to antibiotics, and one such hope is antimicrobial peptides ...
    • Exploring multipartite genomes using pangenome analysis 

      Sonnenberg, Cecilie Bækkedal (Doctoral thesis; Doktorgradsavhandling, 2023-06-21)
      <p>Bacteria are small single-celled organisms that are found in nearly every habitat on Earth. While bacterial genomes usually consist of one large circular replicon, about 10% of bacteria have organized their genes onto several large replicons. These multipartite bacteria are often found in symbiotic or pathogenic relationships with other higher organisms and are believed to have greater ability ...
    • Exploring Quorum Sensing Dynamics and Biofilm Formation in the Fish Pathogen Aliivibrio salmonicida 

      Khider, Miriam (Doctoral thesis; Doktorgradsavhandling, 2019-10-22)
      <p>The marine pathogen <i>Aliivibrio salmonicida</i> is the causative agent of cold-water vibriosis, affecting mainly farmed salmonid fish when water temperatures are below 10°C. Even though cold-water vibriosis is no longer threatening Norwegian aquaculture, the reemergence of the disease is still a possibility. Therefore, it is crucial to gain knowledge and understanding of the pathogenicity ...
    • Exploring the Potential of CO2: Enantioselective C-C Bond Formation 

      Pettersen, Martin (Doctoral thesis; Doktorgradsavhandling, 2024-03-08)
      CO<sub>2</sub> is a renewable source of carbon that has not yet been properly utilized. The reason for this is mostly due to its kinetic and thermodynamic stability. The potential renewability of CO<sub>2</sub>, coupled with environmental concerns, has motivated scientists worldwide to develop new artificial carbon cycles for chemical fixation of CO<sub>2</sub>. Unfortunately, the pronounced inertness ...