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Browsing Modelling and digital science by Title

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  • Seid, ER; Majozi, T (Elsevier, 2014-07)
    Energy saving is becoming increasingly important in batch processing facilities. Multipurpose batch plants have become more popular than ever in the processing environment due to their inherent flexibility and adaptability ...
  • Deiss, J; Kienhöfer, F; Nordengen, Paul A; De Saxe, Christopher C; Berman, Robert J; Steenkamp, Anton J (2018-10)
    Significant benefits have been realised in South Africa from adopting the PBS framework in the form of reduced fuel consumption, CO2 emissions, road wear, trips and crashes. Three representative baseline PBS vehicles were ...
  • Peach, S; Vorster, J; Van Heerden, Renier P (2010-05)
    In this paper the authors explore heuristic attacks against graphical password generators. A new trend is emerging to use user clickable pictures to generate passwords. This technique of authentication can be successfully ...
  • Grobler, J; Engelbrecht, AP; Kendall, G; Yadavallie, VSS (Elsevier, 2015-04)
    This paper expands on the concept of heuristic space diversity and investigates various strategies for the management of heuristic space diversity within the context of a meta-hyper-heuristic algorithm in search of greater ...
  • Grobler, J; Engelbrecht, AP; Kendall, G; Yadavalli, VSS (IEEE, 2014-07)
    This paper introduces the concept of heuristic space diversity and investigates various strategies for the management of heuristic space diversity within the context of a meta-hyper-heuristic algorithm. Evaluation on a ...
  • Grobler, J; Engelbrecht, AP; Kendall, G; Yadavalli, VSS (IEEE Xplore, 2014-07)
    This paper introduces the concept of heuristic space diversity and investigates various strategies for the management of heuristic space diversity within the context of a meta-hyper-heuristic algorithm. Evaluation on a ...
  • Earle, AC; Saxe, AM; Rosman, Benjamin S (2017-08)
    Hierarchical reinforcement learning methods offer a powerful means of planning flexible behavior in complicated domains. However, learning an appropriate hierarchical decomposition of a domain into subtasks remains a ...
  • Earle, AC; Saxe, AM; Rosman, Benjamin S (2018-04)
    Hierarchical reinforcement learning methods offer a powerful means of planning flexible behavior in complicated domains. However, learning an appropriate hierarchical decomposition of a domain into subtasks remains a ...
  • Saxe, AM; Earle, AC; Rosman, Benjamin S (Proceedings of Machine Learning Research, 2017-08)
    Hierarchical architectures are critical to the scalability of reinforcement learning methods. Most current hierarchical frameworks execute actions serially, with macro-actions comprising sequences of primitive actions. We ...
  • Sharma, Ameeth (South African Institute of Physics (SAIP), 2016-07)
    Light based techniques continue to gain momentum in different spheres of diagnostic and therapeutic applications as a result of their non-invasive, noncontact properties. One such technique is Optical Coherence tomography ...
  • Lalloo, Rajesh; Maharajh, Dheepak M; Gorgens, J; Gardiner, NS; Gorgens, JF (Springer Berlin, 2009-05)
    Previous studies have demonstrated the efficacy of our Bacillus cereus isolate (NRRL 100132) in reducing concentrations of nitrogenous wastes and inhibiting growth of fish pathogens. In vivo efficacy and tolerance to a ...
  • Veerasamy, Namosha (2010-04)
    The aim of this paper is to describe how various observations made by sections of the world population direct people into making decisions and committing acts of cyberterror. The paper will thus look at issues like the ...
  • Veerasamy, Namosha (IEEE, 2009-12)
    This paper proposes a combined Red and Blue Team Methodology to guide the process of carrying out such security auditing and penetration testing tasks. Red and Blue Teams consist of various security auditing and penetration ...
  • Lysko, Albert A; Mofolo, M (2014-10)
    This paper overviews a low-power beam-switched smart antenna. The antenna operates at 2.4 GHz frequency band, has low power consumption (1.5 mW), and is intended for smart world applications in communications and metering. ...
  • Malinga, L; Le Roux, WH (2009-07)
    The performance of three Run-Time Infrastructures (RTI) is measured. Two open source implementations (Portico version 0.8 and CERTI version 3.3.0) and one commercial implementation (MÄK version 3.2) have been subjected to ...
  • Sefara, Tshephisho J; Mokgonyane, TB; Manamela, MJ; Modipa, TI (IEEE, 2019-08)
    Text-to-speech (TTS) synthesis systems are of benefit towards learning new or foreign languages. These systems are currently available for various major languages but not available for low-resourced languages. Scarcity of ...
  • Booth, R; Meyer, T; Varzinczak, I; Wassermann, R (2010-08)
    The authors show that Booth et al.’s Horn contraction based on infra-remainder sets corresponds exactly to kernel contraction for belief sets. This result is obtained via a detour through Horn contraction for belief bases, ...
  • Hietanen, O; Lefutso, D; Marais, Mario A; Munga, N; Taute, B; Nyewe, M; Semwayo, TD (Servicio central de publicacion. Gobierno Vasco, 2011-04)
    In this work we look at the collaboration projects between COFISA Y SAFIPA, which were set up by the department of external affairs in Finland between 2006 and 2010 in cooperation with South Africa. COFISCA’s objective was ...
  • Burger, L; Litvin, I; Ngcobo, Sandile; Forbes, A (SPIE, 2014-03)
    The beam from a laser resonator is determined by the optical elements it contains. Most commonly, these consist of two spherical mirrors, but phase- and amplitude-modulating elements can also be included to produce custom ...
  • Booth, R; Meyer, T (Springer, 2011-02)
    Most approaches to iterated belief revision are accompanied by some motivation for the use of the proposed revision operator (or family of operators), and typically encode enough information in the epistemic state of an ...

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