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Browsing South African Computer Journal (SACJ) by Title

Browsing South African Computer Journal (SACJ) by Title

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  • 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 ...
  • The key issues in information management in the mid-1990s. Back to business basics through the commercialisation of the ISD 
    Remenyi, DSJ (South African Computer Society (SAICSIT), 1993)
    This paper takes a business or commercial perspective of the key issues in Information Management for the mid-1990s. It focuses on how organisations may use information systems to improve their efficiency and effectiveness ...
  • Knowledge representation using formal grammars 
    Von Solms, S.H.; Ehlers, E.M.; Enslin, DJ (South African Institute of Computer Scientists and Information Technologists, 1991)
    In this paper, formal grammars, specifically random context grammars, are used as a vehicle for knowledge representation in expert systems. Random context grammars and the manner in which they are used to represent knowledge ...
  • Knowledge-based selection and combination of forecasting methods 
    Finnie, G.R. (South African Institute of Computer Scientists and Information Technologists, 1991)
    Forecasting techniques are used extensively in a variety of business (and other) applications for the analysis and prediction of various factors of interest e.g. future market demand for a specific product. However, the ...
  • Kritiese faktore vir die suksesvolle afhandeling van inligtingstelselprojekte 
    Bruwer, P.J.S. (South African Institute of Computer Scientists and Information Technologists, 1990)
    During the past 30 years the rapid evolution and distribution of information systems have brought about a change in the issues surrounding information systems projects. The technical, internal and external environment ...
  • A lattice-theoretic model for relational database security 
    Melton, A; Shenoi, S (South African Computer Society (SAICSIT), 1992)
    It is often the case that a major concern with databases is security. In this paper we introduce a new model for database security. The basic idea of this new model is that answers to queries are based on equivalent data ...
  • 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 ...
  • Limitations and problems of management applications that use enterprise extensions to the SNMP MIB 
    Oosthuysen, WH; McDonald, T (South African Computer Society (SAICSIT), 1995)
    Until some years ago, management of TCP/IP based products was done in a proprietary fashion. Many large companies build their own system-wide management facilities because of a lack of usable systems to manage heterogeneous ...
  • A Linda solution to the evolving philosophers problem 
    Hazelhurst, SE (South African Institute of Computer Scientists and Information Technologists, 1991)
    The dining philosophers problem and the evolving philosophers problems are abstractions of resource sharing problems in parallel and distributed systems. A Linda solution to the dining problem has already been shown; this ...
  • A linear time algorithm for the longest (s-t)-path problem restricted to partial k-trees 
    Mata-Montero, M; Ellis, JA (South African Computer Society (SAICSIT), 1994)
    The Longest (s-t)-path Problem, a known NP-complete set, is shown to admit a linear time solution when the instances of the problem are restricted to partial k-trees. This class of graphs is defined and some of the properties ...
  • A logic for the design of multiprogramming systems 
    Misra, J (South African Computer Society (SAICSIT), 1998)
    This paper presents a short introduction to the UNITY logic, a fragment of linear temporal logic. The logic was designed to specify safety and progress properties of reactive systems. A version of the UNITY ...
  • Logic programming: ideal vs practice 
    Labuschagne, W.A.; Van der Westhuizen, PL (South African Computer Society (SAICSIT), 1992)
    The logician who encounters logic programming expects it to involve 'using predicate logic as a programming language'. He is soon disillusioned. He discovers that it really means 'programming in PROLOG', which in tum seems ...
  • Machine translation from African languages to English 
    Kourie, D.G.; van den Heever, WJ; Oosthuizen, GD (South African Computer Society (SAICSIT), 1992)
    This paper describes how a machine translation system, LEXICA, has been used and adapted to translate from African languages to English. Results with Tswana provide comprehensible translations that, although not necessarily ...
  • Managing methods creatively 
    Mcleod, G (South African Computer Society (SAICSIT), 1992)
    Organizations have used systems planning and development methodologies for some time now. Results are mixed, with some reporting substantial benefits, and others abandoning the process without achieving the desired benefits. ...
  • Markovian analysis of DQDB MAC protocol 
    Bause, F; Kritzinger, P; Sczittnick, M (South African Computer Society (SAICSIT), 1994)
    The Distributed Queue Dual Bus (DQDB) protocol or IEEE 802.6 has been accepted as the international standard for Metropolitan Area Networks (MAN). This paper describes a combined MIG/I and Markov model for the steady state ...
  • Mechanising execution sequence semantics in HOL 
    Tredoux, G (South African Computer Society (SAICSIT), 1992)
    The mechanization in Higher Order Logic of a general- purpose operational semantics for programming languages is described. The mechanization allows the sound derivation of Dijkstra-style axiomatic semantics. A small ...
  • Metadata and security management in a persistent store 
    Berman, Sonia (South African Computer Society (SAICSIT), 1994)
    Since its emergence in the early eighties, persistence has become an important branch of Computer Science. Many persistent systems have now been developed and a wide variety of related issues have been well researched. Two ...
  • A method of controlling quality of application software 
    Crossman, T.D. (South African Institute of Computer Scientists and Information Technologists, 1991)
    This paper describes the inspection team process and explores its value to the application developer. The conclusion reached is that the technique does incur added development costs, but the whole process brings with it ...
  • MINIX for a distributed database system 
    Meumann, MD; Rennhackkamp, MH (South African Institute of Computer Scientists and Information Technologists, 1990)
    A user of a distributed database management system must be able to access data which is stored on a number of different sites, connected by a network, without being aware of the physical data distribution. The NRDNIX ...
  • 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 ...

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