School of Computing: Recent submissions

  • Application-oriented program semantics 
    McIver, AK; Morgan, C; Sanders, JW (South African Computer Society (SAICSIT), 1997)
    This paper abridges lecture notes from WOFACS 96. It provides semantic models for a variety of programming and development formalisms, showing how different models for the same formalism are related by Galois connections. ...
  • Reasoning about changing information 
    Blackburn, P; Jaspars, J; De Rijke, M (South African Computer Society (SAICSIT), 1997)
    The purpose of these notes is two fold: (i) to give a reasonably self-contained introduction to a particular approach to theory change, known as the Alchourron-Gardenfors-Makinson (AGM) approach, and to discuss some of the ...
  • Lessons from Singapore and Zimbabwe: A model for emerging countries to achieve quality economic growth 
    Yellen, RE; Sanford, CC (South African Computer Society (SAICSIT), 1995)
    The Singapore government's adoption of policies which has promulgated an infrastructure heavily reliant on information technology is used as a model to explain Singapore's remarkable economic growth. This model helps to ...
  • A pluralistic approach to systems development 
    Lai, LSL (South African Computer Society (SAICSIT), 1995)
    It is believed that revolutionary developments in information technology may allow developing countries to leapfrog obsta­cles to development if they can successfully apply the new technology. However, many organizations ...
  • Who will implement information technology for development? 
    Korpela, M (South African Computer Society (SAICSIT), 1995)
    There is a long, although thin, tradition of research on whether and how information technology (IT) can contribute to national development and basic human needs, particularly in developing countries (DCs). It is striking, ...
  • Computer-supported cooperative education to support development in South Africa 
    Grobler, M (South African Computer Society (SAICSIT), 1995)
    With the enormous educational backlogs in South Africa it seems that there is no choice other than searching for alternative, technology-based ways for improving the existing educational situation. This paper describes ...
  • Information technology in a developing economy 
    Crossman, T.D.; Fortmann, P; Heneke, V; Murray, D (South African Computer Society (SAICSIT), 1995)
    There is considerable debate about the value of information technology (IT) in developing economies. Some argue opti­mistically that without IT, developing economies will not grow. Others, somewhat pessimistically, warn ...
  • Development, self-determination and information 
    Avgerou, C; Madon, S (South African Computer Society (SAICSIT), 1995)
    In this article we review the current debate on the impact of the increasing significance of information handling enabled by advances in information technology on socio-economic development, with particular emphasis on the ...
  • Generating relations using formal grammars 
    von Solms, S. H. (Computer Society of South Africa (on behalf of SAICSIT), 1987)
    Grammars generating 2-dimensional arrays have been studied by many people [1, 2, 3, 4). One effort was Random Context Array Grammars [4], where different types of context conditions placed on the production, were used ...
  • Mobile agents at ISADS 97 
    Vosloo, I (South African Computer Society (SAICSIT), 1997)
    This communication gives an overview of the field of mobile agents as presented at various events held in conjunction with a recent international symposium in Germany. The nature of mobile agents and the key concepts ...
  • The use of colour in raster graphics 
    Smit, P.J. (Computer Society of South Africa (on behalf of SAICSIT), 1988)
    Colour computer graphics covers a wide field of applications such as games, computer aided-design, image processing and digital terrain modelling. The traditional way of using colour in raster graphics systems, the RGB ...
  • Theory meets practice. Using Smith's normalization in complex systems 
    Van der Merwe, AJ; Labuschagne, WA (South African Computer Society (SAICSIT), 1997)
    In 1985 Smith introduced a new way of deriving fully normalized tables. His method was based on the use of a dependency list and a dependency diagram to produce fifth normal form directly. We introduce the use of end-line, ...
  • A Structural Model of Information Systems Theory 
    Mende, J. (Computer Society of South Africa (on behalf of SAICSIT), 1988)
    The laws and techniques of maJure sub1ects such as Physics and Electrical Engineering are logically connected to one another in the form of a deductive network There is a foundation of basic laws deriving from them ...
  • Word prediction strategies in program editing environments 
    Sanders, I; Tsai, C (South African Computer Society (SAICSIT), 1997)
    The goal of this research is to demonstrate that word prediction in a constrained domain like a programming language can be done effectively and hence has the potential to facilitate typing for disabled people who are ...
  • Protocol Performance Using Image Protocols 
    Kritzinger, Pieter S. (Computer Society of South Africa (on behalf of SAICSIT), 1988)
    Performance analyses of data communication systems do not always rely on a detailed analysis of the underlying protocols. Those analyses which do, usually rely on an analysis of the protocol state transition graph. These ...
  • A computerised-consultation service for the computerisation of the very small small-business enterprise 
    Rensleigh, CW; Olivier, MS (South African Computer Society (SAICSIT), 1997)
    Small-business performance can benefit from computerisation. Unfortunately, however, most of the very small small-business enterprises do not have the financial means to acquire the services of a computerisation consultant. ...
  • The recovery problem in multidatabase systems - characteristics and solutions 
    Renaud, K; Kotze, P (South African Computer Society (SAICSIT), 1997)
    In many applications today multiple pre-existing database systems are integrated into a single multiple database system called a multi­database system. One of the biggest problems for transaction management in a multidatabase ...
  • Some typical phases of a business transformation project 
    Remenyi, D (South African Computer Society (SAICSIT), 1997)
    Business Process Reengineering (BPR) or Business Transformation is very difficult to manage successfully. There is a high failure rate of BPR projects and thus the risk associated with this type of work is high. Although ...
  • Secure mobile nodes in federated databases 
    Olivier, MS (South African Computer Society (SAICSIT), 1997)
    Mobile computers pose special security risks since information contained on them can more easily be compromised. However, availability of information at the location where the mobile computer is to be used often outweighs ...
  • Protection Graph Rewriting Grammars and the Take/Grant Security Model 
    Von Solms, S.H.; De Villiers, D.P. (Computer Society of South Africa (on behalf of SAICSIT), 1988)
    The operations in the Take/Grant Protection Model are formalised using theory and results from the discipline of formal languages. A Protection Graph Rewriting Grammar is defined, which generates protection graphs consistent ...

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