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Browsing South African Computer Journal 1999(24) by Title

Browsing South African Computer Journal 1999(24) by Title

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  • The CILT multi-agent learning system 
    Viktor, HL (South African Computer Society (SAICSIT), 1999)
    A multi-agent learning system consists of two or more learners or learning agents that co-exist in a learning environment. The learners have the ability to learn together, thus utilizing one another's strengths and ...
  • Co-operating to learn using JAD techniques 
    Thomas, TA (South African Computer Society (SAICSIT), 1999)
    The role of the Information Systems' (IS) developer is changing. IS developers are required to be able to work with users and get a common understanding with them. In order to achieve this, the developers must have not ...
  • A complexity metrics model for software 
    Torn, A; Andersson, T; Enholm, K (South African Computer Society (SAICSIT), 1999)
    A complexity metrics model for software is introduced. The model is defined as l( p )c( p ) = e( p ), where p is any piece of software, l( p ) its length, c( p ) an average type complexity measure independent of length, ...
  • Computer programming and learning to write 
    Barrow, J (South African Computer Society (SAICSIT), 1999)
    Programming is often seen in terms of mathematical models. An additional perspective, that of programming as a means of communication between the programmer and the computer, can also be useful, particularly in teaching ...
  • A conceptual design for high-volume data processing of warehouse database into multidimensional database 
    Trakulsuk, P; Avatchanakorn, V (South African Computer Society (SAICSIT), 1999)
    This paper presents a conceptual model of analyzing huge amount of information from a data warehouse into Multidimensional Database (MDDB) using multidimensional data (MDD)model. The major advantages of this model are: 1) ...
  • Critical success factors for the implementation of DSS at a selection of organisations in Kwazulu/Natal, South Africa 
    Averweg, URF; Erwin, GJ (South African Computer Society (SAICSIT), 1999)
    Decision Support Systems (DSS) are specially developed for supporting the solution of a non-structured management problem for improved decision-making. DSS utilise data, provide easy user interfaces and allow for the ...
  • The development of a generic framework for the implementation of a cheap, component-based virtual video-conferencing system 
    Panagou, S; Bangay, S (South African Computer Society (SAICSIT), 1999)
    We address the problem of virtual-videoconferencing. The proposed solution is effected in terms of a generic framework based on an in-house Virtual Reality system. The framework is composed of a number of distinct components: ...
  • Distributed operating systems: a study in applicability 
    Prange, J; Bishop, J (South African Computer Society (SAICSIT), 1999)
    This study will attempt to show the path of research and development of a huge and currently implemented SCADA (Super­visory Control and Data Acquisition) system product. The designers and their managers have identified ...
  • Enhancing the predictability of two popular software reliability growth models 
    Keiller, PA; Mazzuchi, TA (South African Computer Society (SAICSIT), 1999)
    In this paper, enhancement of the performance of both the Musa-Okumoto and the Goel-Okumoto Software Reliability Growth models are investigated using various smoothing techniques. The method of parameter estimation for the ...
  • Formal verification with natural language specifications: guidelines, experiments and lessons so far 
    Holt, A (South African Computer Society (SAICSIT), 1999)
    The industrial take-up of formal verification techniques remains limited. Allowing specifications to be expressed in natural language (perhaps augmented with diagrams) offers the prospect of increasing the usability of ...
  • From information security baselines to information security profiles 
    Von Solms, R; Van de Haar, H (South African Computer Society (SAICSIT), 1999)
    To protect the information systems of an organization an appropriate set of security controls needs to be installed and managed properly. Many organizations that can afford it conduct either a risk analysis exercise ...
  • Generalised unification of finite temporal logic formulas 
    Hazelhurst, S (South African Computer Society (SAICSIT), 1999)
    Given two temporal logic formulas, g and h, we wish to know whether there is a modification, m, we can make to h so that g ==> m( h). This problem has important applications in hardware verification, where finding such ...
  • A generic modelling framework for interactive authoring support environments 
    Kotze, P (South African Computer Society (SAICSIT), 1999)
    Existing modelling frameworks for the design of interactive systems emphasise the relationship between the system's in­ternal state and the rendering of this state at the user interface. Modern programming and multimedia ...
  • Grounded theory methodology in IS research: Glaser vs Strauss 
    Smit, J (South African Computer Society (SAICSIT), 1999)
    Grounded Theory (GT), along with the surging interest in qualitative research, is becoming a popular research strategy in the Information Systems (IS) field. At the same time however, the method seems to be changing in its ...
  • Harmonizing global internet tax: a collaborative extranet model 
    Lawrence, E; Garner, B (South African Computer Society (SAICSIT), 1999)
    The advent of Internet Commerce represents a significant threat to taxation revenue collection for governments throughout the world. Governments cannot prevent the creative and innovative commercial use of the Internet in ...
  • Improving object oriented analysis by explicit change analysis 
    Yu, L; Khong, SC; Xun, Y; Yuan, M (South African Computer Society (SAICSIT), 1999)
    Changeability is one of the major concerns in software development. OO (Object-Oriented) technology itself is not enough to solve this problem, i.e. software systems cannot have enough changeability by just using any ...
  • An information-theoretic semantics for belief change 
    Meyer, TA (South African Computer Society (SAICSIT), 1999)
    Belief change is an interdisciplinary topic and is researched in departments of Computer Science, Artificial Intelligence, Philosophy, Mathematics and Engineering. It is therefore not surprising that there are a variety ...
  • Introducing a continuum of abstraction-led hierarchical search techniques 
    Zimmer, R; Holte, R (South African Computer Society (SAICSIT), 1999)
    Abstraction in search works by replacing a state space by another space (the abstract space) that is easier to search, either because it is smaller or because it contains more solutions. Results of searches in the abstract ...
  • Introducing research methods to Computer Science honours students 
    Galpin, V; Hazelhurst, S; Mueller, C; Sanders, I (South African Computer Society (SAICSIT), 1999)
    Research skills are important for any academic and can be of great benefit to any professional person. These skills are, however, difficult to teach and to learn. In the Department of Computer Science at the University ...
  • A Java client/server system for accessing arbitrary CANopen fieldbus devices via the Internet 
    Buhler, D; Nusser, G; Gruhler, G; Kuchlin, W (South African Computer Society (SAICSIT), 1999)
    This paper describes the Java CAN API a portable and extensible application interface to arbitrary CANopen fieldbus devices. This API forms the basis for the implementation of JRCC (Java Remote CAN Control), a tool which ...

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