Author:Scholes, RJDate:Sep 2002This paper describes a simple, quick, non data-intensive quantitative approach for sorting certain types of environmental issues into those that are unlikely to be problems; those likely to be problems; and those requiring further, more ...Read more
Author:Ramanantsoa, JD; Penven, P; Krug, Marjolaine J; Gula, J; Rouault, MDate:Feb 2018Cruise data sets, satellite remote sensing observations, and model data analyses are combined to highlight the existence of a coastal surface poleward flow in the southwest of Madagascar: the Southwest MAdagascar Coastal Current (SMACC). The ...Read more
Author:Sahraeian, R; van Compernolle, D; De Wet, FebeDate:Sep 2015Conventional acoustic modeling involves estimating many parameters to effectively model feature distributions. The sparseness of speech and text data, however, degrades the reliability of the estimation process and makes speech recognition a ...Read more
Author:Greben, JM; Meyer, R; Kimmie, ZaheedDate:Oct 2011The potential application of MRS technology in locating water bearing fractures in underground mines is studied. The determination of the presence of water ahead of mining is important to prevent accidents and to ensure higher efficiency in ...Read more
Author:Hlophe, K; Green, JDate:Jul 2011Platform pose (localization and orientation) information is a key requirement for autonomous mobile systems. The severe natural conditions and complex terrain of underground mines diminish the capability of most pose estimation systems, ...Read more
Author:Green, JJDate:Nov 2012The Council for Scientific and Industrial Research (CSIR) in South Africa is currently developing a robot for the inspection of the ceiling (hanging-wall) in an underground gold mine. The robot autonomously navigates the 30 meter long by 3 ...Read more
Author:James, S; Verrinder, RA; Sabatta, D; Shahdi, ADate:Oct 2012One of the major issues in the field of mobile robotics is localisation and navigation in an unknown environment. These tasks become even more challenging in an underground environment where no GPS signals or stationary landmark towers are ...Read more
Author:Joughin, WC; Human, JL; Terbrugge, PJDate:Apr 2002The nature of this project requires that various types of shotcrete be applied to a tunnel and that the performance thereof under extensive deformation be monitored over a period of time. In order to achieve this, one of the most critical ...Read more
Author:Mouton, Francois; Nottingham, Alastair T; Leenen, Louise; Venter, HSDate:Aug 2017Information security is a fast-growing discipline, and relies on continued improvement of security measures to protect sensitive information. In general, human operators are often highly susceptible to manipulation, and tend to be one of the ...Read more
Author:Oosthuizen, Dina N; Motaung, DE; Strydom, AM; Swart, HCDate:Jan 2020An approach to tailor the morphology and sensing characteristics of CuO nanoplatelets for selective detection of NO2[sub] gas is of great significance and an important step toward achieving the challenge of improving air quality and in assuring ...Read more
Author:Sellers, EJ; Coetzer, SJ; Kamstra, RDate:Oct 2002The primitive stress state is an important input into the design of underground excavations. However, it is well known that the stress state varies considerably from place to place. The aim of this project was to determine the main causes of ...Read more
Author:Wellington, Kevin WDate:Feb 2015The non-communicable disease, cancer, is one of the major causes of death across the world and is forecast to increase by 75% to reach close to 25 million cases over the next two decades. Radiotherapy and surgical approaches have been ...Read morecb
Author:Du Plessis, CDate:Sep 2008This paper builds on earlier ecological approaches to urban development, as well as more recent thinking in the fields of sustainability science, resilience thinking and complexity theory, to propose a conceptual framework for understanding ...Read more
Author:Schmitz, P; Scheepers, L; de Wit, PWC; De la Rey, ADate:Sep 2007Spatial data such as roads and land parcels is increasingly becoming a commodity that is being created with the aim to sell or to provide spatial information to other institutions for further processing or to decision makers to aid in their ...Read more
Author:Napier, MarkDate:Feb 2006More than 60% of Africa’s urban population lives in slums and most African countries' population subsist on under US$2.0 per day, and the average probability at birth of not surviving to age 40 is about 38%. 25 to 30% of housing in SA cities ...Read more
Author:Byrne, E; Jolliffe, B; Mabaso, NMDate:Jul 2006This paper describes a conscious attempt to use metaphor to both promote, and also reinterpret, ideas and values from the global Free and Open Source Software movement in the context of South Africa. A case study is given of an initiative ...Read more
Author:John, J; Garland, Rebecca M; Landman, WADate:Sep 2015The purpose of the work is to understand the potential need and use of extreme temperature forecasting products in the environmental health sector in South Africa by using an online questionnaire. Seven of 19 respondents currently receive ...Read more
Author:Cheruiyot, D; Osunmakinde, IODate:Dec 2010This research investigates an alternative approach to automatically evolve the hidden temporal distribution of onset of rainfall directly from multivariate time series (MTS) data in the absence of domain experts. Temporal probabilistic modelling ...Read more