Computer Science
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The Bridging Application and Network Gaps (BANG) group examines the intersection of human computer interfaces, computer networks and software engineering within the context of ICT interventions in disadvantaged communities.
The South African Sign Language (SASL) group looks at the integration of signed and verbal communication building on the South African Sign Language Translation System.
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Evaluating energy consumption on low-end smartphones
(2015)The relationship between battery consumption in smartphones and the usage statistics of a phone is direct. Modern smartphones, even low-end, are equipped with multiple wireless technologies, e.g. GSM, 3G, WiFi and ... -
Investigating battery consumption in low- end smartphones: preliminary results
(International Information Management Corporation, 2017)Due to lack of electricity in the rural communities of Africa, users often have to incur extra expense on recharging their mobile phones. The limited battery capacities of low-end smartphones, therefore, present a barrier ... -
Investigation of a dual-band dual radio indoor mesh testbed
(2018)Scalability of community wireless mesh networks in terms of mesh nodes and mobile end-users along with their anticipated usage profile remains unexplored territory. However, conducting such experiments on a live community ... -
Internet-of-Things in motion: A UAV coalition model for remote sensing in smart cities
(MDPI AG, 2018)Unmanned aerial vehicles (UAVs) or drones are increasingly used in cities to provide service tasks that are too dangerous, expensive or difficult for human beings. Drones are also used in cases where a task can be performed ... -
A comprehensive survey on Fog Computing: State-of-the-art and research challenges
(IEEE, 2018)Cloud computing with its three key facets (i.e., Infrastructure-as-a-Service, Platform-as-a-Service, and Softwareas- a-Service) and its inherent advantages (e.g., elasticity and scalability) still faces several challenges. ... -
Towards a model for user-centred design using a positive deviance approach: A case for diabetes self-management
(University of Cape Town, 2017)Over the past twenty years there have been substantive efforts across the African continent to ensure penetration and reach of mobile technology to the citizenry. However there continues to be a debate on precisely how ... -
Insights into the use and affordances of social and collaborative applications for student projects
(South African Institute of Computer Scientists and Information Technologists, 2017)The use of social and collaborative computing has the potential of assisting learning and improving the ability to work together as part of a team. Team work is a graduate attribute that students need to acquire before ... -
Granny gets smarter but junior hardly notices
(College of Communication and Information, 2016)To ensure that university computing students are sensitized to the needs of diverse user groups, a course project was designed to allow students to get a realistic understanding of the needs and abilities of the older ... -
Government facilitated access to ICTs: adoption, use and impact on the well-being of indigent South Africans
(IIMC International Information Management Corporation, 2018)This paper presents preliminary results of an assessment of the impact of a government facilitated ICT access programme on the well-being of poor citizens. It examines South African government efforts in the application ... -
Mobile video comparison to help Deaf people make informed choices: a South African case study with provincial data
(IIMC International Information Management Corporation, 2018)Deaf people use sign language to communicate and use mobile video calling to communicate with one another. Mobile video utilises much more bandwidth than text and voice communication modes, resulting in higher expenditure ... -
Battery and data drain of over-the-top applications on low-end smartphones
(IIMC International Information Management Corporation, 2018)Low-end smartphones with sub $50 price tags provide affordable device ownership to low-income populations. However, their limited capacity, when combined with the need for multimodal connectivity, raises usage concerns in ... -
Generalization of tooltips: An assistive technology extension
(Springer, 2017)Software applications use tooltips to assist users to improve their understanding of icons. When hovering over an icon with the cursor, a short text description of the icon appears. Text-based tooltips are helpful for users ... -
Amplifying positive deviance with ICT enabling community development and interdependence
(Springer, 2017)Positive deviance is a social mechanism whereby a beneficial practice that is not considered as normal gets taken up and spread within a community. This enables a community to solve its own problems aided by mentorship and ... -
Renewing Felsenstein’s phylogenetic Bootstrap in the era of big data
(Nature Publishing Group, 2018)Felsenstein’s application of the bootstrap method to evolutionary trees is one of the most cited scientific papers of all time. The bootstrap method, which is based on resampling and replications, is used extensively to ... -
An in-depth study of the ICT ecosystem in a South African rural community: unveiling expenditure and communication patterns
(Routledge, 2016)There is no doubt of the contributions made by mobile phones and mobile network operators in increasing access to communications in rural areas of developing countries. Yet how affordable is this ubiquitous access in such ... -
Moving ICTD research beyond bungee jumping: practical case studies and recommendations
(Institute of Electrical and Electronics Engineers, 2016)The global spread of Internet and mobile communications has been accompanied by a growing interest in how information and communication technologies (ICTs) can contribute to social and economic development. There are a ... -
Exploration of Deaf people’s health information sources and techniques for information delivery in Cape Town: A qualitative study for the design and development of a mobile health application
(JMIR Publications, 2016)BACKGROUND: Many cultural and linguistic Deaf people in South Africa face disparity when accessing health information because of social and language barriers. The number of certified South African Sign Language interpreters ... -
Walking and the social life of solar charging in rural Africa
(Association for Computing Machinery, 2013)We consider practices that sustain social and physical environments beyond those dominating sustainable HCI discourse. We describe links between walking, sociality, and using resources in a case study of community-based, ... -
Insights into the use and affordances of social and collaborative applications for student projects
(South African Institute of Computer Scientists and Information Technologists, 2017)The use of social and collaborative computing has the potential of assisting learning and improving the ability to work together as part of a team. Team work is a graduate attribute that students need to acquire before ...
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