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Browsing Quaestiones Informaticae Vol 6 No 4 by Type "Article"

Browsing Quaestiones Informaticae Vol 6 No 4 by Type "Article"

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  • The application of scientific method to information systems analysis 
    Atkinson, C.R.; Lay, P.M.Q. (Computer Society of South Africa (on behalf of SAICSIT), 1989)
    17zis paper addresses the challenging question of the rigour of the systems analysis process. First of all it discusses the nature of analysis, concluding that, contradictory to cu"ent opinion, it can best be described ...
  • An approach to defining abstractions, refinements and enrichments 
    Kourie, D.G. (Computer Society of South Africa (on behalf of SAICSIT), 1989)
    A proposal for defining abstractions and refinements is given in terms of three-valued logic applied to a domain of discourse consisting of a property and an entity set. Definitions for several related concepts flow ...
  • A "cooperating expert's" framework for business expert system design 
    Finnie, G.R. (Computer Society of South Africa (on behalf of SAICSIT), 1989)
    Expert system development environments based on current language constructs such as rules and frames have been criticised for approaching the task of problem solving from too low a level of abstraction. This paper describes ...
  • Reflections on the nature and future of computer science in Southern Africa 
    Venter, BH (Computer Society of South Africa (on behalf of SAICSIT), 1989)
    Computer Science is a relatively recent scientific discipline. It has seen rapid growth and even more rapid change. Not surprisingly there is constant controversy among computer scientists about the nature of the ...
  • Software design to meet third world requirements: an experimental software engineering approach 
    Machanick, Philip (Computer Society of South Africa (on behalf of SAICSIT), 1989)
    Appropriate technology refers to technology appropriate for use in less developed parts of the world, especially the Third World; this paper raises some problems in adapting a definition of appropriate technology to ...

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