A mobile user location management mechanism is introduced that incorporates a distance based location update scheme and a paging mechanism that satises predened delay requiremen...
The Exact Geometric Computation (EGC) mode of computation has been developed over the last decade in response to the widespread problem of numerical non-robustness in geometric al...
The focus of this paper is on student learning theory. Use is made of an "analytic discovery tool" called Quantitative CyberQuest (QCQ) to help conceptualize the many go...
: Activity Theory (AT) has been a recognised framework for enhancing design practices in HCI and related disciplines for a couple of decades. In most cases, AT has been deployed as...
—The research efforts of the DECIDE Research Group have resulted in a decision tool capable of handling imprecise information in complex decision situations. Some of the research...