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Browsing 2001 National Research and Development Conference by Issue Date

Browsing 2001 National Research and Development Conference by Issue Date

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  • Hazelhurst, S (2001)
    The use of IP filtering to improve system security is well established, and although limited in what it can achieve has proved to be efficient and effective. In the design of a security policy there is always a trade-off ...
  • De Ridder, C; Pretorius, L; Barnard, A (2001)
    With the advent of the lnformation Age and global connectivity, the ethical use of Information and Communication Technologies (/CI) has become essential. As the drive towards the establishment of a so-called IT profession ...
  • Barnard, A; Ehlers, EM (2001)
    In this paper we consider the representation and generation of three-dimensional structures by means of formal descriptive methods. Graph and graph grammar theory present us with a powerful two-dimensional representational ...
  • Handzic, M; Van Toorn, C; Parkin, P (2001)
    The aim of the case study reported in this paper was to provide a cultural audit of a university school as a typical knowledge-based organisation. The subjects were 24 academic staff members who participated in the study ...
  • Adler, J; Christelis, GD; Deneys, JA; Konidaris, GD; Lewis, G; Lipson, AG; Phillips, RL; Scott-Dawkins, DK; Shell, DA; Strydom, BV; Trakman, WM; Van Gool, LD (2001)
    Two polygons are adjacent if they have edges which share a common edge segment. In this paper we consider the problem of finding adjacencies in a set of n non-overlapping polygons. Using the fact that adjacent edges must ...
  • Van Greunen, D; Wesson, J (2001)
    The goal of this paper is to discuss the role of usability testing in software development in South Africa. Throughout the software industry software engineers develop user interfaces (Ul) with little or no support from ...
  • Wong, B; Marsden, G (2001)
    With the continuing growth of the Internet, an increasing number of organisations are incorporating the Web into their business activities. The appeal of a site to users in terms of both attractiveness and usability ...
  • Van der Poll, JA; Kotze, P (2001)
    A formal specification of a multi-level marketing (MLM} business is presented. Specifying a MLM business boils down to specifying properties of and operations on mathematical forests and trees. The usefulness of the ...
  • Von Solms, E; Eloff, JHP (2001)
    Information is a very valuable resource and must be protected against harmful attacks from inside as well as outside the organization. As a resource, information is the lifeline of many organizations and is therefore vital ...
  • Stander, A; Van Zee, P; Wang, Y-J (2001)
    Automatic teller machines (ATM) are an intermediate stage in the progression of banking technology. This intermediate stage is expected to remain until user perceptions of electronic banking have improved. ATM transaction ...
  • Smith, DC; Becker, M; Burns-Howell, J; Kyriakides, J (2001)
    The use of teams within organisations is becoming more prevalent as teams have been identified as an efficient work unit of human capital. This research identified 17 team effectiveness characteristics and, using a sample ...
  • 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 ...
  • Botha, R; Eloff, J (2001)
    The eXtensible Markup Language {XML) are being upheld as having the potential to change the way business is conducted. This will be effected by changing the way in which information is shared. However, with the sharing of ...
  • Van Zyl, J; Walker, AJ (2001)
    The notion of patterns has been used in many different disciplines, and the software industry is no exception. There are many books written, academic research done and practical examples available of where patterns have ...
  • Streicher, M; Wesson, JL; Calitz, A (2001)
    During the last ten years, a number of computerised testing systems have been developed without considering the users' level of computer proficiency. Students at the University of Port Elizabeth come from a diverse background, ...
  • Britz, K (2001)
    In formal logic, both semantic entailment and the conditional connective are used to formalize the intuitive notion of implication. The former is defined in the meta-language of the logic, and the latter in the language ...
  • Pretorius, L; Bosch, SE (2001)
    Morphological analysis is a basic enabling application for further kinds of natural lan guage processing, including part-of-speech tagging, parsing, translation and other high-level applications. Automated morphological ...
  • Dixie, CH; Wesson, JL (2001)
    Research is underway at the University of Port Elizabeth (UPE) to establish a framework for introductory IT courses to match the needs of future graduates of diverse programmes from the Faculties of Arts, Building Sciences, ...
  • Nirenstein, S; Blake, E; Winberg, S; Mason, A (2001)
    The predictive hierarchical level of detail optimization algorithm of Mason and Blake is experimentally evaluated in the form of a practical application to hierarchical radiosity. In a novel approach the recursively ...
  • Licker, PS; Anderson, R; Macintosh, C; Van Kets, A (2001)
    This research looks into factors that affect the readability of web sites. For those with low literacy skills, low readability may prove to be an insurmountable barrier to profitable, comfortable website use. Two factors ...

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