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Browsing Doktorsritgerðir - HR by Title

Browsing Doktorsritgerðir - HR by Title

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  • Bean, Christian (2018-06)
    New automatic methods for enumerating permutation classes are introduced. The first is Struct, which is an algorithm that conjectures a structural description using rules similar to generalized grid classes. These conjectured structural descriptions ...
  • Cafaro, Angelo (Háskólinn í Reykjavík, 2014-03-09)
    Relational Agents (RAs) are virtual anthropomorphic characters able to engage in multimodal (i.e. using both verbal and nonverbal behavior) face-toface interactions with users in real-time. RAs are also capable of establishing and maintaining a long-term ...
  • Helgason, Helgi Páll (Háskólinn í Reykjavík, 2013-08-19)
    In the domain of intelligent systems, the management of mental resources is typically called “attention”. Attention exists because all moderately complex environments – and the real-world environments of everyday life in particular – are a source of ...
  • Iordache, Paul (2019-02)
    In Romania, there is a lack of quantitative data associating cancer risk with genetic characteristics. The aim of this thesis is to evaluate genetic risk factors associated with two major cancer types, prostate cancer and colorectal cancer. The first ...
  • Muhammad Aziz Ul Haq (Reykjavik University, School of Science and Engineering, 2019-05-17)
    Maintaining small physical dimensions of antenna structures is an important consideration for contemporary wireless communication systems. Typically, antenna miniaturization is achieved through various topological modifications of the basic antenna ...
  • Sultan, Muhammad Taha (2019-11-27)
    Growth of self-assembled quantum dots is of great interest due to their potential quantum confinement effect and numerous applications in optoelectronics and nano-sized structures. Semiconducting Si, Ge and SiGe nanocrystals (NCs), embedded in a ...
  • Mixa, Már Wolfgang (2016-06)
    The research project focuses on investment behavior and the Icelandic economic bubble and crash, emphasizing that investment behavior has to be seen within a historical and cultural environment. As such the project is related to financial history and ...
  • Þórður Víkingur Friðgeirsson (Háskólinn í Reykjavík, 2015-11-30)
    Viðfangsefni þessarar ritgerðar er hagnýting verkefnastjórnunar, og skyldra fagsviða, til að tryggja hagkvæmni og skilvirkni opinberra verkefna á Íslandi. Fjallað er um hvernig verkefnastjórnun og stjórnsýsla (governance) hafa þróast saman á alþjóðavettvangi ...
  • Meirbekova, Rauan (2016-02)
    Current efficiency loss in aluminum electrolysis happens due to a variety of factors. One such factor is the presence of impurities. Concerns about impurities have been voiced since the quality of raw materials has declined and dry-scrubbers were ...
  • Khamespanah, Ehsan (2018-06)
    In the recent years, formal modeling and verification of realtime systems have become very important. Difficult-to-use modeling languages and inefficient analysis tools are the main obstacles to use formal methods in this domain. Timed actor model is ...
  • Sigmarsdóttir, Thora (2021-09-10)
    Á undanförnum árum hafa sviðin endurnýjunar og tilfærslu lækningar vakið sífellt meiri áhuga vegna möguleikanna sem í þeim felast er varða nýjungar í læknavísindum. Innan þeirra má finna ýmis tól sem talin eru vera lykilatriði þegar kemur að því að ...
  • Lejsek, Herwig (2016-02)
    This thesis presents the NV-tree (Nearest Vector tree), which addresses thespecific problem of efficiently and effectively finding the approximatek-nearest neighbors within large collections of high-dimensional data points.The NV-tree is a very ...
  • Sigurðardóttir, Silja Rán (Háskólinn í Reykjavík, 2014-09-30)
    Low temperature geothermal resources provide hot water that is commonly used for space heating and various applications. A geothermal resource is considered to be a renewable energy source that can be utilized by current and future generations if ...
  • Ali, Jafari (2016-06)
    This dissertation is composed of two parts. In the first part, performance evaluation and verification of safety properties are provided for real-time actors. Recently, the actor-based language, Timed Rebeca, was introduced to model distributed and ...
  • Flóvenz, Sigrún (2021-08)
    Abstract In this Thesis, the relationship between Persistent Physical Symptoms (PPS), mental health, work disability and vocational rehabilitation outcome was examined in two samples. First, we looked at a sample of 324 people seeking vocational ...
  • Perkin, Samuel (2018-02)
    Power system operation is concerned with supplying electricity to society in a reliable manner. Reliability has traditionally been managed through use of the deterministic N-1 criterion. The EU FP7 GARPUR research project proposes that Transmission ...
  • Jónsson, Kristján Valur (Háskólinn í Reykjavík, 2014-02-03)
    In-network aggregation is an important paradigm for current and future networked systems, enabling efficient cooperate processing of aggregate information, while providing sub-linear scalability properties. However, security of this important class of ...
  • Finnsson, Hilmar (Háskólinn í Reykjavík, 2012-06-25)
    The aim of General Game Playing (GGP) is to create intelligent agents that automatically learn how to play many different games at an expert level without any human intervention. One of the main challenges such agents face is to automatically learn ...
  • Thorisdottir, Ingibjorg (Háskólinn í Reykjavík, 2020-06)
    Many studies have found a relationship between social media use and symptoms of emotional distress, such as depression and anxiety. However, the existing research lacks longitudinal analyses, a thorough understanding of the possible mechanisms involved ...
  • Ilkov, Marjan (2016-02)
    Space-charge limited emission in vacuum microdiodes can go through transverse modulation under certain conditions. The frequency of this modulated current is in the terahertz band and it can be tuned by changing either the the gap spacing or the gap ...