The aim of our project was to develop query and visualisation tools for this archive of African art. Our query system had to be designed to cope with different degrees of uncertainty in data, both in time and space. One ...

This thesis examines Markov reward models, a formalism based on continuous time Markov chains, and it's usage in the generation and analysis of service levels. The particular solution technique we employ in this thesis is ...

Story-telling is being used for the preservation of culture, and interactive story-telling in particular is attractive for its ability to provide the user with a hands-on experience. We explored the feasibility of interactive ...

Email has become a very important communication tool. The rise of SPAM, however, has forced system administrators to restrict the usage of their SMTP servers. Such a restriction causes problems for users who send emails ...

Visualizations that show the shape of and spatial relationships between layers of surfaces are useful to oceanographers studying water masses or oncologists planning radiation treatments. The shape of and distances between ...

This research paper uses Human Computer Interaction(HCI) evaluation methods, namely questionnaires and interviews, to obtain information about the kind of music software currently in common use in music departments, and ...

By encoding 2D bar codes that store URL links, SMS or plain text, 2D visual tags link infonnation about objects in the physical world to online or offline content. The existence of physical world hyperlinks in the fonn of ...

This study aims at investigating a framework that utilises the latest advances in KMS technology. This research outlines the framework and describes a system developed around this. The framework is based on fundamental ...

The methods of transmitting information may be divided as follows: direct; and, indirect. The âdirectâ method occurs when a creature transmits a signal that other creatures in its local environment can receive. Word of ...

When moving through an environment, people unconsciously build up a mental image, or cognitive map, of that environment. When later planning a trip or giving directions to someone else, they can mentally walk through the ...

In a world of unpredictability and complexity, sales forecasting is becoming recognised as essential to operations planning in business and industry. With increased globalisation and higher competition, more products are ...

The relatively young field of quantitative finance has grown over the past thirty years with the cherry-picking of a wide variety of techniques from the disciplines of finance, mathematics and computer science. The Libor ...

In this thesis, a new interface for the generation of procedural content is proposed, in which the user describes the content that they wish to create by using adjectives. Procedural models are typically controlled by ...

This dissertation reports on the results on an exploratory investigation into the potential efficacy of VR as both a support mechanism to people living with HIV I AIDS, as well its capabilities as an emotive medium. Two ...

This dissertation documents a journey into the design of Ummeli with a community of semi‐literate job seekers in Khayelitsha, Cape Town whose primary access to the internet was through their mobile phones. Working closely ...

The increasing number of people having access to computers and the Internet and the numerous services provided by the Internet - e.g., Internet banking, online shopping, eBay, email - emphasizes the need for computer ...

The user interface is a very important component in a piece of software as it is the layer which allows user interaction with the underlying functionality. Within the domain of digital libraries modification to the interface ...

Digital libraries (DLs), originally termed electronic libraries, are the result of the meshing of two communities: library professionals, including librarians and publishers, and computer scientists, including their poster ...

This project aims to find the minimum video resolution and frame rate that supports intelligible cell phone based video communications in South African Sign Language.

When facilitating decisions in which some performance evaluations are uncertain, a decision must be taken about how this uncertainty is to be modelled. This involves, in part, choosing an uncertainty format {a way of ...