Author:Kemper, J; Cowling, RM; Richardson, DM; Forsyth, GG; McKelly, DHDate:Apr 2000The South Coast Renosterveld has been fragmented extensively by agriculture. The extent of this fragmentation in terms of overall habitat loss, fragment sizes and fragment numbers has not been described previously, thereby limiting the ...Read more
Author:Tekane, YC; Twala, B; Marwala, TDate:Jan 2015We consider the problem of mapping with Miniature Aerial Vehicles (MAVs) in outdoor sites with distinguishable landscapes. The primary long range sensor in these MAVs is a miniature camera. While previous approaches first try to build a 3D ...Read more
Author:De Jager, Peta; Van Reenen, Coralie A; Napier, Mark; Sebake, Thandi N; Bole, SheldonDate:Dec 2019Copyright 2019 The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.Read more
Author:Barnard, E; Cloete, L; Patel, Hina MDate:2003The paper presents research aimed at overcoming barriers to citizens’ ability to access electronic government services. Our concern is specifically ‘non-connectivity’ barriers to electronic service delivery including cultural background, ...Read more
Author:Kleynhans, NT; Barnard, EDate:Nov 2005An investigation into the performance of current speaker verification technology within a multilingual context is presented. Using the Oregon Graduate Institute (OGI) Multi-Language Telephone Speech Corpus (MLTS) database, the authors found ...Read more
Author:Wilken, Ilana; Taljard, E; De Wet, FebeDate:Nov 2018Being a multilingual country rich in culture and diversity, South Africa has residents who use a variety of the 11 official languages for daily communication. Multilingual communication occurs especially in hospitals and clinics. People ...Read more
Author:Van Heerden, C; Schalkwyk, J; Strope, BDate:Sep 2009This paper describes the language modelling (LM) architectures and recognition experiments that enabled support of 'what-with-where' queries on GOOG-411. First the paper compares accuracy trade-offs between a single national business LM for ...Read more
Author:Coetzee, Louis; Catalan, M; Paradells, J; Gavras, A; Barros, MJDate:Jun 2017The challenges that cities face today are diverse and dependent on the region they are located. Inherently cities are complex structures. To improve service delivery in these complex environments the cities are being augmented by “Internet ...Read more
Author:Rust, FC; Hugo, F; Myburgh, PA; Grobler, JEDate:Aug 1990The recent increase in traffic volumes and also axle loads on some of the major routes in South Africa has extended the traffic classes beyond the current highest design class. Additionally there is a strong lobby to increase the legal axle ...Read more
Author:Swartbooi, Ashton MDate:Nov 2008With fossil fuels facing depletion, research into the use of alternative fuel and energy sources has steadily increased. With the abundance of solar radiation available, especially in South Africa, solar energy could be utilised to provide a ...Read more
Author:Joubert, JW; Van Heerden, QuintinDate:Jul 2013Recent developments in agent-based transport simulation provide promising results. However, the agent-based approach is frequently criticized for its apparent dependence on vast amounts of, mostly unattainable, data. In this paper we show ...Read more
Author:Van Heerden, Quintin; Joubert, JWDate:Jul 2013Recent developments in agent-based transport simulation provide promising results. However, the agent-based approach is frequently criticized for its apparent dependence on vast amounts of, mostly unattainable, data. In this second paper of ...Read more
Author:Mabotja, M; Harris, S; Weerts, Steven P; Vivier, LDate:Jan 2022Presentation on the evaluation of plastic waste in the Durban Bay: concept design based on WILDOCEANS Blue Port project findings. Objectives of this study is to identify routes of entry of different plastic wastes into the port, their likely ...Read more
Author:Mabotja, Makolobe M; Harris, S; Weerts, Steven PDate:Jul 2019Aims of the study is to examine larval fish assemblages over reef and sand substrates of pre-identified biozones. Investigate possible physico-chemical variables responsible for the larval fish distributions. Test if the identified biozones ...Read more
Author:Mabotja, MM; Harris, S; Weerts, Steven PDate:Jul 2017Aims of the study is to understand spatial dynamics of larval fish assemblages in the KZN coastal marine environment (40-80m depths). Examine larval fish composition, abundance and distribution between different substrates (reef and sand) and ...Read more
Author:Pityana, Sisa L; Rossouw, RDate:Oct 2008The aim of this work was to produce crack-free thin surface layers consisting of binary (Al-Ni, Al-Fe) and ternary (Al-Ni-Fe) intermetallic phases by means of a high power laser beam. The laser surface alloying was carried out by melting Fe ...Read more
Author:Mabhali, Luyolo AB; Pityana, Sisa L; Sacks, NDate:Mar 2010Laser alloying of aluminium AA1200 was performed with a 4.4kW Rofin Sinar Nd:YAG laser to improve the surface hardness. Alloying was carried out by depositing Ni, Ti and SiC powders of different weight ratios on the aluminum substrate. The ...Read more
Author:Mabhali, Luyolo AB; Pityana, Sisa L; Sacks, NDate:Nov 2010Laser alloying of aluminium AA1200 was performed with a 4.4kW Rofin Sinar Nd:YAG laser to improve the surface hardness. Alloying was carried out by depositing Ni, Ti and SiC powders of different weight ratios on the aluminium substrate. The ...Read more
Author:Mabhali, Luyolo AB; Pityana, Sisa L; Rampedi, DLDate:Jul 2008Aluminium is used in industry for various applications due to its low cost, light weight and excellent workability, but lacks wear resistance and hardness. Laser alloying is used to improve surface properties such as hardness and wear resistance ...Read more