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Now showing items 9994-10013 of 10810

Towards dynamic spectrum access and 5G, via television white spaces

Author: Lysko, Albert A Date: May 2017 The world has just began taking advantage of the fourth generation (4G) communication technologies, whilst both research and industry communities are already starting with debates around 5G. Besides the antenna based and multiple-input ... Read more
Towards effective telephone-based delivery of government services

Author: Barnard, E ; Cloete, L ; Patel, Hina M ; Coetzee, L Date: Sep 2003 Government regulations have combined with a tremendous growth in prepaid cellular telephony to bring telephone connectivity to an unprecedented number of South African citizens – thus creating an ideal platform for delivering services to a ... Read more
Towards energy efficient mobile communications

Author: Masonta, Moshe T ; Mzyece, M ; Ntlatlapa, Ntsibane S Date: Oct 2010 The rapid growth and development of wireless communication services and applications corresponds to an increase in associated energy consumption. For broadband wireless network deployment in rural areas affected by unreliability and unavailability ... Read more
Towards engineering increased pantothenate (Vitamin B5) levels in plants

Author: Chakauya, E ; Coxon, KM ; Wei, M ; MacDonald, MV ; Barsby, T ; Abell, C ; Smith, AG Date: Nov 2008 Pantothenate (vitamin B5) is the precursor of the 4'-phosphopantetheine moiety of coenzyme A and acyl-carrier protein. It is made by plants and microorganisms de novo, but is a dietary requirement for animals. The pantothenate biosynthetic ... Read more
Towards good principles for the design of a national addressing scheme

Author: Coetzee, S ; Cooper, Antony K ; Ditsela, J Date: Jul 2011 Traditionally, humans used an address as a direction to a building and its occupants. The advent of computers opened up a whole new range of possibilities, such as routing and vehicle navigation, automated processing of mail items, utility ... Read more
Towards greater pragmatism in planning: a growing challenge for planners

Author: Norsworthy, J ; Marrian, B ; Mashiri, MAM Date: Apr 2008 This paper argues that in the greater scheme of things, these constraints are a relatively small price to pay. The paper seek to advance the view that pragmatism provides a better and more balanced decision making platform for a planner as ... Read more
Towards HIV detection: Novel Poly(propylene imine) Dendrimer-Streptavidin platform for electrochemical DNA and gp120 aptamer biosensors

Author: John, SV ; Rotherham, LS ; Khati, M ; Mamba, BB ; Arotiba, OA Date: Jul 2014 The detection of sequence – specific DNA and HIV glycoprotein 120 (gp120) based on novel generation 4 poly(propylene imine) dendrimer/streptavidin platform is reported. The platform was prepared by the electrodeposition of the dendrimer on a ... Read more
Towards improved waste management services by local government – A waste governance perspective

Author: Oelofse, Suzanna HH ; Godfrey, Linda K Date: Nov 2008 In terms of the South African Constitution (Act 108of 1996), waste management service delivery is a local government function. The Constitution further gives every person the right to an environment that is not harmful to their health or ... Read more
Towards Inverse Synthetic Aperture Radar (ISAR) for small sea vessels

Author: Abdul Gaffar, MY Date: Dec 2006 Power point presentation on Inverse Synthetic Aperture Radar (ISAR) Read more
Towards managing consumer energy demand with the aid of the internet of things

Author: Smith, Andrew C ; Matshonyonga, Z ; Letsoko, T ; Mhlongo, M ; Msimanga, LP ; Kgosiemang, KM Date: May 2012 We present a system that may be used to control demand-side electricity consumption. The user interface, designed in consultation with the target group, is simple and well suited for developing regions. The underlying technology is sophisticated ... Read more
Towards nature-based resilience in infrastructure development and assessment: An introductory guide

Author: Audouin, Michelle A ; Sitas, Nadia Date: Apr 2020 Infrastructure is critical to Africa's development and its ability to address poverty. The development of such infrastructure, however, needs to be undertaken in a way that is adaptable to a world of increasing uncertainty and environmental ... Read more
Towards net-zero construction and demolition waste

Author: Van Wyk, Llewellyn V Date: Mar 2014 Waste is defined in the National Environment Management: Waste Act as: “Any substance, whether or not that substance can be reduced, re-used, recycled and recovered – a) That is surplus, unwanted, rejected, discarded, abandoned or disposed ... Read more
Towards neural machine translation for African languages

Author: Abbott, JZ ; Martinus, Laura JB Date: Dec 2018 Given that South African education is in crisis, strategies for improvement and sustainability of high-quality, up-to-date education must be explored. In the migration of education online, inclusion of machine translation for low-resourced ... Read more
Towards non-classical walks with bright laser pulses

Author: Sephton, Bereneice C ; Dudley, Angela L ; Forbes, A Date: Aug 2017 In the avid search for means to increase computational power in comparison to that which is currently available, quantum walks (QWs) have become a promising option with derived quantum algorithms providing an associated speed up compared to ... Read more
Towards non-repudiable authentication through biometrics and smart cards

Author: Msiza, I Date: Oct 2012 In this presentation the author introduces the application of biometrics and smart cards as vehicles for non-repudiable identity authentication. Read more
Towards norms and standards for water services in rural South Africa

Author: Duncker, Louiza C Date: Jul 2015 In South Africa, the current norms and standards for levels of water services have, over the last few decades, inadvertently focused on addressing water services in urban areas. The Minister responsible for water and sanitation initiated the ... Read more
Towards performance-related design criteria and specifications for modified binders

Author: Rust, FC ; Hugo, F Date: 1990 The reflection of primary cracks through overlays and seals on roads is recognised as a serious problem. The ingress of rain-water through these cracks can cause pumping which leads to forms of distress such as potholing and/or deformation. ... Read more
Towards practical defeasible reasoning for description logics

Author: Casini, G ; Meyer, T ; Moodley, K ; Varzinczak, I Date: Jul 2013 The formalisation of defeasible reasoning in automated systems is becoming increasingly important. Description Logics (DLs) are nowadays the main logical formalism in the field of formal ontologies. Our focus in this paper is to devise a ... Read more
Towards processable Afrikaans

Author: Pretorius, L ; Schwitter, R Date: Jun 2009 In this paper researchers discuss a number of structural problems that are faced with when designing a machine-oriented controlled natural language for Afrikaans taking the underlying principles of Attempto Controlled English (ACE) and ... Read more
Towards programmable and scalable IoT infrastructures for smart cities

Author: Corici, A ; Steinke, R ; Magedanz, T ; Coetzee, L ; Oosthuizen, D ; Mkhize, B ; Catalan, M ; Fontelles, JC ; Paradells, J ; Shrestha, R ; Nehl, D ; Riemer, B Date: Mar 2016 Smart Cities applications and infrastructures are actively being developed and rolled out. However, maintenance complexity is significant, often limiting deployments to small regions or small cities. To support gradual or spontaneous ... Read more

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