Author:Greben, JM; Elphinstone, E; Holloway, Jennifer PDate:Jun 2006A novel model has been developed to predict elections on the basis of early results. The electorate is clustered according to their behaviour in previous elections. Early results in the new elections can then be translated into voter behaviour ...Read more
Author:Jansen van Vuuren, Joey; Leenen, LouiseDate:Mar 2018Cyber Defence is a core driver in the attainment of national security for any country. Perceived Cyberpower can be determined by the analysis of the elements of cyberspace as part of national security. In this paper the Perceived Cyberpower ...Read more
Author:Leenen, L; Modise, M; Le Roux, WHDate:Mar 2009This paper is part of a long term research project conducted by the Council for Scientific and Industrial Research (CSIR) in South Africa. The objective of the project is to construct a model for the planning and execution of Peace Support ...Read more
Author:le Roux, P; van der Merwe, A; Gerber, ADate:Oct 2010Due to the prolific growth in connectivity, the development and implementation of distributed systems receives a lot of attention. Several technologies and languages exist for the development and implementation of such distributed systems; ...Read more
Author:Mulovhedzi, PT; Rambuwani, GT; Bopape, MJ; Maisha, R; Monama, Nkwe ODate:Sep 2021Numerical weather prediction (NWP) models have been increasing in skill and their capability to simulate weather systems and provide valuable information at convective scales has improved in recent years. Much effort has been put into developing ...Read more
Author:Stylianides, TDate:Oct 1998This paper describes a model which has been applied in practice to determine an optimal plan for clinker capacity expansion. The problem was formulated as an integer linear program aiming to determine the optimal number, size and location of ...Read more
Author:Kasum, J; Pilic, M; Jovanovic, Nebojsa; Pienaar, Harrison HDate:Oct 2019Forensic science plays a vital role in the work of judicial bodies. The contents, knowledge, and specialized expertise permit the identification of facts essential to law enforcement and judicial disputes. Hydrography is an applied science ...Read more
Author:Dube, C; Tsoeu, M; Tapson, JDate:Dec 2011This paper presents a self collision detection scheme for humanoid robots using elliptical and circular capsules as bounding volumes. A capsule is defined as an elliptical or circular cylinder capped with ellipsoids or spheres respectively. ...Read more
Author:Burger, L; Forbes, ADate:2007A simple model of a Porro prism laser resonator has been found to correctly predict the formation of the “petal” mode patterns typical of these resonators. A geometrical analysis of the petals suggests that these petals are the lowest−order ...Read more
Author:Mbonye, V; Price, Catherine SDate:Aug 2019Understanding how satisfied users are with services is very important in the delivery of quality services and in improving them. While studies have investigated perceptions of Wi-Fi among students, there is still a gap in understanding the ...Read more
Author:Butgereit, L; Botha, RADate:Nov 2011Dr MathTM is a mobile, online tutoring system where learners can use MXitTM on their mobile phones to receive help with their mathematics homework from volunteer tutors. These conversations between learners and Dr Math are held in MXit lingo. ...Read more
Author:Deiss, JA; Berman, Robert J; Kienhofer, FDate:Sep 2018A performance-based standards (PBS) framework evaluates actual on-road performance of a vehicle, allowing the length and mass of a vehicle to exceed prescriptive legislation, without compromising on vehicle safety and dynamic stability. This ...Read more
Author:Leenen, L; Anbulagan; Meyer, T; Ghose, ADate:Dec 2007The authors present a variant of the Weighted Maximum Satisfiability Problem (Weighted Max-SAT), which is a modeling of the Semiring Constraint Satisfaction framework. They show how to encode a Semiring Constraint Satisfaction Problem (SCSP) ...Read more
Author:Mwandila, G; Mwanza, M; Sikhwivhilu, K; Siame, J; Mutanga, Shingirirai S; Simposya, ADate:Jun 2021An analytical model to determine energy requirements for a Biogas-supported Decentralized Water Treatment Systems was carried out based on energy consumption in Zambia and energy produced during water reclamation from wastewater in South ...Read more
Author:Tokarev, A; Avdeenkov, AV; Langmi, Henrietta W; Bessarabov, DGDate:Mar 2015Boron-substituted graphene decorated with potassium metal atoms was considered as a novel material for hydrogen storage. Density functional theory calculations were used to model key properties of the material, such as geometry, hydrogen ...Read more
Author:Keet, CM; Lawrynowicz, A; D'Amato, C; Hilario, MDate:May 2013We describe the Data Mining Optimization Ontology (DMOP), which was developed to support informed decision-making at various choice points of the knowledge discovery (KD) process. It can be used as a reference by data miners, but its primary ...Read more
Author:Forbes, A; Burger, L; Litvin, IADate:Jul 2006Laser brightness is a parameter often used to compare high power laser beam delivery from various sources, and incorporates both the power contained in the particular mode, as well as the propagation of that mode through the beam quality ...Read more
Author:Visser, M; Van Biljon, J; Herselman, Martha EDate:Oct 2012Capacity in and enhancement of critical, scarce and intermediate skills are seen as a national priority in South Africa. The Department of Higher Education and Training (DHET) in South Africa has prioritized the success of the Further Education ...Read more
Author:Ngobeni, Sipho J; Venter, HS; Burke, Ivan DDate:Jan 2010Over the past decade, wireless mobile communication technology based on IEEE 802.11 Wireless Local Area Networks (WLANs) has been adopted worldwide on a large scale, resulting in the increase of the wireless users. However, as the number of ...Read more
Author:De Villiers, Johan P; Leuschner, FW; Geldenhuys, RDate:18 Jan 2010Most current lens distortion models use only a few terms of Brown's model, which assumes that the radial distortion is dependant only on the distance from the distortion centre, and an additive tangential distortion can be used to correct ...Read more