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Visar resultat 21 - 25 av 51 avhandlingar innehållade orden web search.

  1. 21. Satistical Modelling Of CO2 Exchange Between Land And Atmosphere : Using Stochastic Optimisation And Gaussian Markov Random Fields

    Författare :Unn Dahlén; Spatio-Temporal Stochastic Modelling Group; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Gaussiska Markovfält; Stokastisk optimering; CO2-flöden; Spatial statistik; Stochastic Optimisation; Gaussian Markov Random Fields; Atmospheric inverse modelling; Spatial statistics; Computational statistics;

    Sammanfattning : This thesis focuses on the development and application of efficient mathematicaltools for estimating and modelling the exchange of carbon dioxide (CO2) between the Earth and its atmosphere; here referred to as the global CO2 surface flux.There are two main approaches for estimating the CO2 flux: Processed based(bottom-up) modelling and atmospheric inversion (top-down) modelling. LÄS MER

  3. 22. On new and current treatments for Diamond-Blackfan anemia

    Författare :Sara Sjögren; Avdelningen för molekylärmedicin och genterapi; []
    Nyckelord :Diamond-Blackfan anemia; Erythropoiesis; Ribosome biogenesis; Heme synthesis; Glucocorticoids; p53; Globin translation; HRI; a1-microglobulin;

    Sammanfattning : Diamond-Blackfan anemia (DBA) is a rare congenital disease where the patients suffer from macrocytic anemia due to reduced numbers of erythroid precursors in the bone marrow. Most patients carry mutations in ribosomal proteins, such as ribosomal protein S19 (RPS19), which causes deficient ribosome biogenesis and affects protein translation. LÄS MER

  4. 23. Business Model Epistemology : Support for a Semi-Structured and Inclusive Approach to Business Modeling in Established Firms

    Författare :Emil Åkesson; Innovationsteknik; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Business models; Cognition; Innovation; Strategy; Management tools; Established firms; Affärsmodeller; Kognition; Innovation; Strategi; Verktyg; Etablerade företag;

    Sammanfattning : The world is facing a climate crisis and established firms are set to play a critical role in the societal changes that are needed to defeat it. At the same time, digital technologies are advancing to enable many of the technological solutions that will be required. LÄS MER

  5. 24. Temperature management after cardiac arrest, postanoxic injury and neurological recovery

    Författare :Anna Lybeck; Anestesiologi och intensivvård; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cardiac arrest; target temperature mangement; outcome; neuroprognostication; seizures; EEG; Cardiac arrest; target temperature mangement; outcome; neuroprognostication; seizures; EEG;

    Sammanfattning : In patients admitted alive to hospital after cardiac arrest the most common mode of death is withdrawal of life sustaining therapy due to brain injury. This decicion is preceeed by multimodal neuroprognostication, which includes clinical examination, neurophysiological tests, imagning and serum markers of braininjury. LÄS MER

  7. 25. Completion of Ontologies and Ontology Networks

    Författare :Zlatan Dragisic; Patrick Lambrix; Nahid Shahmehri; Marco Kuhlmann; Fang Wei-Kleiner; Erhard Rahm; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; knowledge representation; ontology; ontology engineering; ontology debugging; ontology completion; ontology matching; description logics;

    Sammanfattning : The World Wide Web contains large amounts of data, and in most cases this data has no explicit structure. The lack of structure makes it difficult for automated agents to understand and use such data. A step towards a more structured World Wide Web is the Semantic Web, which aims at introducing semantics to data on the World Wide Web. LÄS MER