• Virtual world accessibility: a multitool approach 

      Kruger, Rynhardt Pieter (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Computer-based virtual worlds are increasingly used for activities which previously required physical environments. However, in its mainstream form, such a virtual world provides output on a graphical ...
    • Small-world network models and their average path length 

      Taha, Samah M. Osman (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Socially-based networks are of particular interest amongst the variety of communication networks arising in reality. They are distinguished by having small average path length and high clustering ...
    • The risk parity approach to asset allocation 

      Galane, Lesiba Charles (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: We consider the problem of portfolio's asset allocation characterised by risk and return. Prior to the 2007-2008 financial crisis, this important problem was tackled using mainly the Markowitz mean-variance ...
    • Properties of greedy trees 

      Razanajatovo Misanantenaina, Valisoa (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: A greedy tree is constructed from a given degree sequence using a simple greedy algorithm that assigns the highest degree to the root, the second, the third, . . . , -highest degree to the root’s ...
    • Modelling the dynamics of alcohol and methamphetamine co-abuse in the Western Cape Province of South Africa 

      Orwa, Titus Okello (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Clinical results have indicated that abuse of multiple drugs/substances has devastating health and social consequences. The combined abuse of alcohol and the highly addictive methamphetamine has worsened ...
    • Enhancing mobile camera pose estimation through the inclusion of sensors 

      Hughes, Lloyd Haydn (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Monocular structure from motion (SfM) is a widely researched problem, however many of the existing approaches prove to be too computationally expensive for use on mobile devices. In this thesis we ...
    • Bifibrational duality in non-abelian algebra and the theory of databases 

      Weighill, Thomas (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: In this thesis we develop a self-dual categorical approach to some topics in non-abelian algebra, which is based on replacing the framework of a category with that of a category equipped with a functor ...
    • Analysing ranking algorithms and publication trends on scholarly citation networks 

      Dunaiski, Marcel Paul (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Citation analysis is an important tool in the academic community. It can aid universities, funding bodies, and individual researchers to evaluate scientific work and direct resources appropriately. With ...