Author:Ogunleye, OSDate:Sep 2009This paper, presents four research directions that point toward increasing the importance of mobile research and development in the Africa's developing countries and countries where people use devices more than desktop computers. These ...Read more
Author:Masango, Mfundo G; Mouton, Francois; Nottingham, Alastair; Mtsweni, Jabu SDate:Aug 2016Android smart devices have become an integral part of peoples lives, having evolved beyond the capability of just sending a text message or making a call. Currently, smart devices have applications that can restrict access to other applications ...Read more
Author:Rosman, Benjamin SDate:2014This paper addresses the problem of online decision making in continually changing and complex environments, with inherent incompleteness in models of change. A fully general version of this problem is intractable but many interesting domains ...Read more
Author:Modipa, TI; Davel, MH; De Wet, FebeDate:Nov 2012When modelling code-switched speech (utterances that contain a mixture of languages), the embedded language often contains phones not found in the matrix language. These are typically dealt with by either extending the phone set or mapping ...Read more
Author:Danny, MN; Kogeda, OP; Mtsweni, Jabu SDate:Nov 2016In Social Networking Sites (SNSs), users tend to accept friend requests and share their personal information based on intuitive trust levels. Mistakenly trusting and sharing private information with malicious users may lead to a wide variety ...Read more
Author:Botha, Adèle; Herselman, Martha E; Kotze, DDate:Jun 2017The purpose of this paper is to describe the adaption of the DEMOLA Innovation Model, developed in Finland, to the South African and African context, supported by an interrogation of tacit knowledge through an adaption of Holsapple and Joshi’s ...Read more
Author:Veerasamy, Namosha; Mashiane, Charmaine T; Pillay, KDate:Mar 2019The expansion of the information society has brought with it a revolution in the use of Information Communication Technology (ICT). In South Africa, the adoption of various digital devices and technologies has introduced conveniences but at ...Read more
Author:Haywood, Lorren K; Forsyth, Gregory G; De Lange, Willem J; Trotter, Douglas HDate:Jun 2017New and emerging risks create growing uncertainty and unpredictability within enterprise risk management. While ISO 31000:2009 is a progressive risk management framework, it is limited in its guidance on how to contextualise complex risks. ...Read more
Author:Horak, E; Komba, Julius J; Maina, J; Sebaaly, H; Muller, JDate:Mar 2022Contiguous aggregates are aggregate sizes that consecutively follow a typical aggregate grading curve. Porosity calculation is possible for a binary or longer ranges of contiguous aggregates. Porosity is a fundamental density indicator and ...Read more
Author:Strydom, WFDate:Oct 2012During 2010 a national survey on waste management service delivery and recycling behaviour amongst metropolitan households was conducted. WasteCon2010 conference attendees were also surveyed in parallel and on a voluntary basis. This paper ...Read more
Author:Smakhtin, VY; Masse, BDate:Apr 2000The paper describes a parsimonious approach for generating continuous daily stream-flow time-series from observed daily rainfall data in a catchment. The key characteristic in the method is a duration curve. It is used to convert the daily ...Read more
Author:Muliwa, AM; Onyango, MS; Maity, Arjun; Ochieng, ADate:May 2018Mining industries contribute enormously to water pollution through discharge of effluents contaminated with metals. Metals-polluted water is a threat to aquatic and human lives as well as the general ecosystem. Numerous conventional treatment ...Read more
Author:Garner, EDate:Mar 1983An attempt was made to gain an understanding of the mechanism of fixation of disperse dyes on polyester in a radiofrequency field.Read more
Author:Garner, EDate:Apr 1983When polyester was padded with a number of disperse dyes, dried and then subjected to radio frequency energy, no dye fixation was obtained.Read more
Author:Garner, E; Barkenhuysen, FADate:Apr 1986The dyeing of cotton fabric with frequency (HF) energy was investigated and compared with conventional dyeing processes.Read more
Author:Barkenhuysen, FA; Van Rensburg, NJJDate:May 1986The effect of RF generator anode current on the dyeing temperature and the effect of dyeing auxiliaries in the pad liquor on the dye fixation.Read more
Author:Barkenhuysen, FA; Van Rensburg, NJJ; Harwood, RJDate:May 1987The radio frequency (RF) energy dyeing of different types of polyester fibres with various disperse dyes and carriers was investigated.Read more
Author:Swanepoel, OA; Van der Merwe, JPDate:Jul 1968Wool was dyed by a continuous pad steam process with reactive dyes dissolved and concentrated solutions of urea.Read more