Now showing items 208-227 of 229

    • A target Approximation Intonation Model for Yorùbá TTS 

      van Niekerk, Daniel R.; Barnard, Etienne (ISCA, 2014)
      A complete intonation model based on quantitative target approximation is described for Yorùbá text-to-speech (TTS) synthesis. This model is evaluated analytically and perceptually and compared to a fundamental frequency ...
    • Technical efficiency of smallholder sugarcane farmers in Malawi:  The case of Kasinthula cane growing scheme 

      Betchani H.M. Tchereni; Harold P.E. Ngalawa; Tshediso J. Sekhampu (Babes-Bolyai University of Cluj Napoca, 2012)
      This study examines the productivity of peasant sugarcane farmers in rural Malawi. The article is based on data collected through a survey. A Stochastic Frontier Model is used to estimate technical efficiency levels of the ...
    • Technical efficiency of South African banks in generating interest and noninterest income:a stochastic frontier analysis 

      Gerhardus van der Westhuizen; George E Battese (Babes-Bolyai University of Cluj Napoca, 2013)
      This study applies stochastic frontier analysis to estimate the technical efficiencies of the four largest banks in South Africa, for the period 1994 to 2010, with regard to their generation of interest income and noninterest ...
    • To scratch or not to scratch – a reflection 

      Malie Zeeman (Academic Conferences and Publishing International Limited, 2013)
      This paper investigates the extent to which the Scratch programming language has been accepted as an electronic teaching tool among teachers in South Africa. Information Technology (IT) was identified as a scarce skill in ...
    • Tone realisation in a Yorùbá speech recognition corpus 

      Daniel R. van Niekerk; Etienne Barnard (SLTU, 2012)
      We investigate the acoustic realisation of tone in short continuous utterances in Yorùbá. Fundamental frequency (F0) contours are extracted for automatically aligned syllables from a speech corpus of 33 speakers collected ...
    • The total factor productivity of the four largest banks in South Africa: preliminary evidence from index numbers methodlogy 

      G. Van der Westhuizen; D. Lawrence (Babes-Bolyai University of Cluj Napoca, 2012)
      The purpose of this paper is to estimate and compare the efficiency of the four largest banks in South Africa. The total factor productivity of the four largest banks was estimated and the multilateral total factor ...
    • Towards formulating an accounting theory of meaningfulness 

      S. Wedzerai ,Musvoto; Daan G. Gouws (Clute Institute [for academic research], 2012)
      This study highlights the need for a theory of meaningfulness for accounting information. A theory of meaningfulness determines the theoretical position that may be taken about the scientific content of information. The ...
    • Towards lecture transcription in resource-scarce environments 

      Pieter de Villiers; Petri Jooste; Carel J. van Heerden; Etienne Barnard (Pattern recognition association of South Africa (PRASA), 2012)
      We present progress towards automated Lecture Transcription (LT) in resource scarce environments. Our development has focused on the transcription of lectures in Afrikaans from two faculties at North-West University. A ...
    • Understanding work integrated learning in ICT: a systems perspective 

      Anneke Harmse; Roelien Goede (WASET, 2013)
      Information and communication technology (ICT) is essential to the operation of business, and create many employment opportunities. High volumes of students graduate in ICT however students struggle to find job placement. ...
    • The use of disruptive information technologies for competitive advantage in the banking sector of South Africa. 

      Windell, Anneke C.; Kroeze, Jan H. (Hempstead, NY : International Business Information Management Association (IBIMA), 2009)
      The main focus of this paper is to determine the impact of disruptive technology in the ICT environment and how new technologies can be managed in a secured architecture framework of organisations in the banking sector. ...
    • Using Critical Systems thinking to Improve Student Performance in Networking 

      Albertus G. Joubert; Roelien Goede (WASET, 2012)
      This paper explores how Critical Systems Thinking and Action Research can be used to improve student performance in Networking. When describing a system from a systems thinking perspective, the following aspects can be ...
    • Using ICTs to become a competitive SME in South Africa 

      Modimogale, Lloyd; Kroeze, Jan H (2009)
      This paper discusses the role of Information and Communication Technology (ICT) within the Small and Medium Enterprise (SME) sector in South Africa. It looks at the current state of affairs regarding the use of ICT by ...
    • Using queuing theory to reduce the number of abandoned calls at a central service desk 

      Pretorius, Philip D; Madisa, Victoira G; Kroeze, Jan H (2010)
      This paper addresses the problem of an unacceptably high rate of abandoned calls at a centralised service desk of a South African telecommunications company. It uses a queuing methodology to design a system that may achieve ...
    • Validating smartphone-collected speech corpora 

      Marelie H. Davel; Carel J. van Heerden; Etienne Barnard (SLTU, 2012)
      We investigate the effectiveness with which the accuracy of a prompted speech corpus can be validated when minimal additional speech resources are available, and specifically when a language model in the target language ...
    • Valuing the impact of pollution on the poor: the case of Bophelong 

      WCJ Grobler (The Global Business and Technology Association, 2013)
      This paper reports on a comparative study of poverty and the social cost of pollution among poor households in Bophelong. The level of poverty was measured and compared with the cost of pollution as revealed by citizens ...
    • A viewpoint of Tanzania e-commerce and implementation barriers 

      George S. Oreku; Fredrick J. Mtenzi; Al-Dahoud Ali (2013)
      The growing rate of ICT utilization particularly the Internet and mobile phones has influenced at an exponential rate online interaction and communication among the generality of the populace. However, with the enormity ...
    • A voice service for user feedback on school meals 

      Aditi Sharma, Grover; Caren Calteaux; Etienne Barnard; Gerhard van Huyssteen (ACM, 2012)
      Research using voice-based services as a technology platform for providing information access and services within developing world regions has shown much promise. The results for design and deployment of such voice-based ...
    • Water poverty mapping and its management applications 

      Van der Vyver, Charles; Jordaan, Dawid B (IBIMA, 2010)
      In recent years it has been widely recognized that water was managed with little regard to efficiency in its utilization and with no or very little effective pollution control. The amount of freshwater on earth will continue ...
    • WhatsApp with BlackBerry; can messengers be MXit? A philosophical approach to evaluate social networking sites 

      I. Smit; R. Goede (Cape Peninsula University of Technology, 2012)
      In an Information Technology course, learners are confronted with learning about technology; programming, other technical subjects and some mathematics and statistics. Although learners can struggle with the logical thinking ...
    • Why use communication training as enterprise-wide project risk mitigation tool? 

      Hedré Pretorius; Hermien Zaaiman (IEEE, 2013)
      Complex enterprise-wide projects often fail even when formal project management methods are followed. Project management processes and methodologies are well defined and described in academic and business literature. There ...