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Browsing School of Computing by Title

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  • 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 ...
  • Laws and techniques of information systems 
    Mende, J. (Computer Society of South Africa (on behalf of SAICSIT), 1986)
    Research has a utilitarian role of providing the knowledge needed by the designers of mankind's artefacts. In this context four distinct categories of knowledge are identifiable. 1. Laws of Nature describe inherent ...
  • Learning the first step in requirements specification 
    Short, R.M.C. (Computer Society of South Africa (on behalf of SAICSIT), 1988)
    Learning about the domain into which an information system will fit is an essential part of the system development process. In this paper it is argued that the first stage of the development process should be learning ...
  • A learning theory approach in support of outcomes-based e-learning 
    De Villiers, M.R. (Ruth) (2006)
    Outcomes-based education (OBE) is the educational paradigm currently advocated in South Africa. This paper proposes the Hexa-C Metamodel (HCMm) as a learning theory foundation for the design and development of e-learning ...
  • Learning tools in resource constrained environments : learning from e-learning in the time of m-learning 
    Van Biljon, Judy; Dembskey, Evan (2011-10-26)
    Developing countries such as South Africa have underdeveloped human resources. Teaching with information communication technology (ICT) as enabling technology has often been proposed as an approach to maximize the development ...
  • Learning with an e-learning tutorial: Cognition and the value of errors 
    De Villiers, M.R. (Ruth); Becker, Daphne; Adebesin, Tawakkaltu Funmilola (2012)
    E-learning tutorials provide engaging learning activities and feedback assupplementary study material for distance learners. Relations is an interactive, CD-based, multi-media tutorial, custom-built to foster mathematical ...
  • The Legal and Ethical Issues of Deploying Honeypots 
    Ronald Mitchell Campbell (2014-03-20)
    The purpose of this study is to identify the legal and ethical issues involved with the deployment of a computer system defence implementation known as a honeypot. During the course of this research reference shall be made ...
  • Legal and policy aspects to consider when providing information security in the corporate environment 
    Dagada, Rabelani (2014-11)
    E-commerce is growing rapidly due to the massive usage of the Internet to conduct commercial transactions. This growth has presented both customers and merchants with many advantages. However, one of the challenges in ...
  • Less (in context) is more (creativity): Mlearning as a short lived traveling idea at the University of Pretoria 
    Twinomurinzi, Hossana; Bon, Anna; Jordaan, Dolf; Schryver, Tom De (2012)
    Continuous technological innovations in ICTs have unleashed many new educational practices worldwide. Most higher education institutions nowadays use different kinds of Elearning. In this paper we will show that constraining ...
  • 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 ...
  • Lessons learnt from an action research project running groupwork activities on the Internet: lecturers' experiences 
    Thomas, TA; Brown, S (2001)
    Group activities are important for students in order to develop the skills they will need for working with other people when they get into industry. The Internet offers an exciting environment for students to practise these ...
  • Lessons learnt from using C++ the object-oriented approach to software development 
    Mazhindu_Shumba, R (1996)
    This paper presents the lessons learned from using the C++ programming language and an object-oriented design methodology for the development of a prototype analysis tool for inheritance relationships in object-oriented ...
  • Liming-like curve constructions 
    Baart, L; McLeod, R (2000)
    R.A. Liming developed a method based on classical conic section theory to design cross-sections of aircraft using implicit rather than explicit forms of the quadratic equations. In its basic form the method is used 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 ...
  • Linear response surface analysis and some applications 
    Hattingh, JM (2000)
    In general response surface analysis refers to the modeling of experimental or observational data. Computer technology and graphical techniques obviously play a significant role in the representations of these models. A ...
  • 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 ...
  • Local area networks in perspective 
    Kritzinger, Pieter S. (Computer Society of South Africa (on behalf of SAICSIT), 1987)
    Current scientific and trade literature are flooded with information about local area networks. Details about physical media and their properties, versions of media access methods confusingly called protocols, variations ...
  • 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 ...

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