Browsing School of Information Technology@Vaal Triangle Campus by Author "Pretorius, Philip D"

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Achieving the efficiency frontier in IT service delivery

Pretorius, Philip D; Madisa, Victoria G; Kroeze, Jan H (IBIMA, 2010)

This paper researches and implements the best practices that lead to best performance in Information Technology service delivery. A customer quality defined standard is created by benchmarking the Information Technology ...
Comparison of decision-making under uncertainty investment strategies with the money market

Groenewald, Madeleine E; Pretorius, Philip D (IBIMA, 2010)

This paper proposes different investment strategies for portfolio selection based on decision-making under uncertainty, rather than the conventional Markowitz portfolio model. The results of perfect information and the ...
Using queuing theory to reduce the number of abandoned calls at a central service desk

Pretorius, Philip D; Madisa, Victoira G; Kroeze, Jan H (2010)

This paper addresses the problem of an unacceptably high rate of abandoned calls at a centralised service desk of a South African telecommunications company. It uses a queuing methodology to design a system that may ...