Author:Roux, Michael P; Lotter, S; Nordengen, Paul ADate:Jul 2015As part of the project to update the Malawian Directorate of Road Transport and Safety Services’ (DRTSS) 2005 Axle Load Control Strategy and to provide a five-year implementation plan, a country-wide axle load survey was undertaken to assess ...Read more
Author:Walters, Chavon R; Couto, M; McClurg, N; Silwana, B; Somerset, VDate:Feb 2017Mercury (Hg) speciation and bioavailability were studied in surface water, surface sediment and freshwater fish samples collected upstream and downstream of the Medupi (currently under construction) and Matimba power stations in the Waterberg ...Read more
Author:De Klerk, A; De Klerk, Arno RDate:Jul 2011A study was conducted in the Waterberg area to characterize the aquatic macro invertebrate community structure and fish assemblages in the Mokolo and Lephalala rivers prior to the onset of increased mining activities and coal fired power ...Read more
Author:Parmaliana, A; Frusteri, F; Mezzapica, A; Miceli, D; Scurrell, MS; Giordano, NDate:Sep 1993The partial oxidation of methane to formaldehyde by molecular oxygen on silica and silica-supported oxide catalysts has been investigated at a pressure of 1.7 bars in the temperature range 520-650°C by using a batch reactor with external ...Read more
Author:Matsebe, O; Namoshe, M; Tlale, NDate:2010The goal of the chapter is to provide an opportunity for researchers who are new to, or interested in, this exciting area of research with the basics, background information, major issues, and the state-of-the-art as well as future challenges ...Read more
Author:Page-Shipp, RJDate:10 Sep 1980This article correctly reflects the principles of Solar Water Heating as they pertain to South African conditions. However, it was written in 1980 and the global energy situation has changed considerably. Furthermore, modern commercial units ...Read more
Author:Van Heerden, C; Barnard, E; Davel, MDate:Sep 2009Spoken dialogue systems (SDSs) have great potential for information access in the developing world. However, the realisation of that potential requires the solution of several challenging problems, including the development of sufficiently ...Read more
Author:Pandarum, Aradhna; Rakaibe, Tshwanelo K; Mbam, VuyoDate:Oct 2023South Africa is confronted by the triple threat of inequality, poverty, and unemployment and has the highest inequality and unemployment rate in the world. The energy transition to a low carbon economy offers significant opportunity for the ...Read more
Author:Hernandez-Leal, P; Rosman, Benjamin S; Taylor, ME; Sucar, LE; de Cote, EMDate:Feb 2016In many situations, agents are required to use a set of strategies (behaviors) and switch among them during the course of an interaction. This work focuses on the problem of recognizing the strategy used by an agent within a small number of ...Read more
Author:Botha, L; Meyer, Thomas; Penaloza, RDate:Oct 2018Description Logics (DLs) that support uncertainty are not as well studied as their crisp alternatives, thereby limiting their use in real world domains. The Bayesian DL BEL and its extensions have been introduced to deal with uncertain knowledge ...Read more
Author:Claessens, R; De Waal, A; De Villiers, Pieter; Penders, A; Pavlin, G; Tuyls, KDate:Apr 2016The range of applications that require processing of temporally and spatially distributed sensory data is expanding. Common challenges in domains with these characteristics are sound reasoning about uncertain phenomena and coping with the ...Read more
Author:Rosman, Benjamin S; Hawasly, M; Ramamoorthy, SDate:Feb 2016A long-lived autonomous agent should be able to respond online to novel instances of tasks from a familiar domain. Acting online requires `fast' responses, in terms of rapid convergence, especially when the task instance has a short duration ...Read morecb
Author:Kim, S; Das, Sonali; Chen, M-H; Warren, NDate:Mar 2008Motivated by a large multilevel survey conducted by the US Veterans Health Administration (VHA), we propose a structural equations model which involves a set of latent variables to capture dependence between different responses, a set of ...Read more
Author:Kim, S; Das, Sonali; Chen, M-H; Warren, NDate:Jan 2009Structural equations models (SEMs) have been extensively used to model survey data arising in the fields of sociology, psychology, health, and economics with increasing applications where self assessment questionnaires are the means to collect ...Read more
Author:Mokilane, P.M.; Debba, Pravesh; Venkata, Y.S.S.; Sigauke, CDate:Mar 2019The paper presents an application of Bayesian structural time-series model to forecast long-term electricity demand. Accurate trend specification in long-term forecasting is important; otherwise erroneous forecasts could be obtained especially ...Read more
Author:Dlamini, Moses T; Eloff, MM; Eloff, JHP; Hone, KDate:Jul 2009The entire business landscape finds itself on the verge of a recession because of ongoing global economic turmoil. Thus, there is a heightened need to minimise and mitigate business risk and scrutinise information spending while ensuring ...Read more
Author:Rens, G; Ferrein, A; Van der Poel, EDate:Jun 2009Traditionally, agent architectures based on the Belief-Desire-Intention (BDI) model make use of precompiled plans, or if they do generate plans, the plans do not involve stochastic actions nor probabilistic observations. Plans that do involve ...Read more
Author:Butgereit, L; Coetzee, LDate:May 2011As more and more “smart things” get connected to the Internet, the “Internet of Things” grows. It is currently quite common that aircraft have transponders and cars have tracking devices. Even the family pet, FIDO, often has a chip embedded. ...Read more
Author:Litvin, Igor A; King, Gary R; Strauss, Hencharl JDate:Jun 2017We propose a novel intra-cavity laser beam shaping technique based on the manipulation of the transverse gain profile in the laser crystal. The method allows controllable reshaping of a laser output beam into a desired beam profile. Two laser ...Read more