Author:Dawood, Zubeida CDate:Feb 2019Behavioural biometrics are increasingly being used to authenticate users for various applications. As active research is being conducted for behavioural biometrics, researchers face difficulty in sharing and annotating experimental data. This ...Read more
Author:Zwane, EN; Van Zyl, Petrus J; Duodu, KG; Rose, SH; Rumbold, KDate:Mar 2017Ferulic acid is a natural antioxidant found in various plants and serves as a precursor for various fine chemicals, including the flavouring agent vanillin. However, expensive extraction methods have limited the commercial application of ...Read more
Author:Oboirien, BO; Thulari, V; North, Brian CDate:Sep 2016In this study, the enrichment of trace elements in two coals under air and oxy-combustion conditions was studied. Twenty-one trace elements were evaluated. The two coal samples had a different concentration for the 21 trace elements, which ...Read more
Author:Mkuzangwe, Nenekazi NP; Nelwamondo, Fulufhelo VDate:Nov 2017This paper provides a performance bound of a network intrusion detection system (NIDS) that uses an ensemble of classifiers. Currently researchers rely on implementing the ensemble of classifiers based NIDS before they can determine the ...Read more
Author:Moeletsi, ME; Walker, S; Landman, WADate:Aug 2011El Niño-Southern Oscillation (ENSO) plays an important role in the inter-annual variability of rainfall in most parts of southern Africa. The effects of ENSO on the rainy season characteristics and possible impacts on rain-fed maize production ...Read more
Author:Landman, WA; Beraki, Asmerom FDate:Nov 2015The SST prediction systems currently being used at the Council for Scientific and Industrial Research (CSIR) and the South African Weather Service (SAWS) are presented. In particular, the skill of these systems to predict Niño3.4 SST and how ...Read more
Author:Mudau, AE; Willers, Cornelius J; Hlakola, M; Calitz, H; Theron, BertusDate:Nov 2010When a military aircraft becomes the target of an approaching infrared seeker missile, it relies on infrared counter-measures to serve as decoys and to confuse the missile. The Optronic Sensor Systems (OSS) group at CSIR-DPSS is involved in ...Read more
Author:Mangisa, M; Tembu, VJ; Fouché, Gerda; Nthambeleni, Rudzani; Peter, Xolani K; Langat, MKDate:May 2018The stem bark extract of Suregada zanzibariensis afforded a previously undescribed ent-abietane diterpenoid trivially named mangiolide (1) and a known jolkinolide B (2) via anticancer bioassay-guided fractionation. The CH(sub)2Cl(sub)2:MeOH ...Read more
Author:McLaren, M; Agnew, M; Leach, J; Roux, FS; Padgett, MJ; Boyd, RW; Forbes, ADate:Oct 2012Orbital angular momentum (OAM) entanglement is investigated in the Bessel-Gaussian (BG) basis. Having a readily adjustable radial scale, BG modes provide an alternative basis for OAM entanglement over Laguerre-Gaussian modes. We show that the ...Read more
Author:Jacobs, D; Kotzé, Paula; Van der Merwe, A; Gerber, ADate:May 2011A key constraint for growing small and medium enterprises (SMEs) is the business skills required to grow the enterprises through the stages of transformation. Criticism against growth stage models for SMEs is of concern, since these models ...Read more
Author:Coetzee, J; Erasmus, Louwrence DDate:Aug 2013In this paper it is proposed that Enterprise architecture in principle develops the Logistic Support model for systems on System Hierarchical Level 6 and higher. The Enterprise architectural model is a blue print, like the DNA for biological ...Read more
Author:De Vries, M; Gerber, A; Van der Merwe, ADate:Jun 2015Enterprise engineering (EE) is emerging as a new discipline to address the design of the enterprise in a holistic way. Although existing knowledge on enterprise design is dispersed and fragmented across different disciplines and approaches, ...Read more
Author:Mosomane, L; Mapako, MDate:Apr 2009Small enterprises are important in the growth of economies and they stimulate the economy through employment, skill transfer and by addressing market segments neglected by big businesses, for example provision of services like telecommunications ...Read more
Author:Grobler, J; Engelbrecht, AP; Kendall, G; Yadavalli, VSSDate:Dec 2014This paper extends the investigation into the algorithm selection problem in hyper-heuristics, otherwise referred to as the entity-to-algorithm allocation problem, introduced by Grobler et al.. Two newly developed population-based portfolio ...Read more
Author:Rabie, CJ; Lubben, A; Marais, GJ; Jansen van Vuuren, HDate:01 Apr 1997Estimation of fungal contamination of barley grain is important as certain fungi can proliferate during the malting process. The following factors which may affect the enumeration of fungi were evaluated: dilution versus direct plating, ...Read more
Author:Van der Merwe, H; Thachuk, O; Nel, S; Van der Merwe, B; Visser, WDate:Nov 2015Software applications are developed to be executed in a specific environment. This environment includes external/ native libraries to add functionality to the application and drivers to fire the application execution. For testing and verification, ...Read more
Author:Nahman, Anton; Wise, R; De Lange, Willem JDate:Sep 2009The paper reviews the potential contributions of environmental and resource economics (ERE) to the achievement of sustainable development in developing countries and highlights the limitations associated with applying ERE within a developing ...Read more
Author:Scott, DFDate:2000Certification has been responsible for a very large improvement in the standard of forest management in South Africa. The reasons for the positive role of certification are set out briefly below. Firstly, and most importantly, certification ...Read more