Now showing items 63-82 of 171

    • Gender and participation: critical reflection on Zenzeleni Networks in Mankosi, South Africa 

      Hussen, Tigist Shewarega; Bidwell, Nicola J.; Rey-Moreno, Carlos; Tucker, William David (ACM, 2016-11-25)
      This paper unveils the complexity of gender dynamics by reflecting on lessons learned in Zenzeleni Networks and provides a different perspective to notions of “participation” by asking “who participates and how?” The paper ...
    • Generalization of tooltips: An assistive technology extension 

      Adams, Saira-Banu; Tucker, William David; Venter, Isabella M. (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 ...
    • Government facilitated access to ICTs: adoption, use and impact on the well-being of indigent South Africans 

      Kassongo, Francois; Tucker, William David; Pather, Shaun (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 ...
    • Grafting an ATM network onto an existing ethernet network 

      Tucker, William David; Keats, Derek (Telkom, 1998)
      Grafting an ATM network onto an existing Ethernet network is a non-trivial exercise in network configuration. The process of mating ATM technology to an Ethernet network without tampering the underlying backbone and network ...
    • Granny gets smarter but junior hardly notices 

      Blignaut, Renette; Venter, Isabella Margarethe; Renaud, Karen (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 ...
    • Groundwater prediction using machine-learning tools 

      Hussein, Eslam A.; Thron, Christopher; Ghaziasgar, Mehrdad (MPDI, 2020)
      Predicting groundwater availability is important to water sustainability and drought mitigation. Machine-learning tools have the potential to improve groundwater prediction, thus enabling resource planners to: (1) anticipate ...
    • Guaranteed delivery of semi-synchronous IP-based communication 

      Julius, Elroy P.; Tucker, William David (Telkom, 2004)
      This research aims to find an empirical solution for guaranteeing the delivery of synchronous and asynchronous messages within a semi-synchronous IP-based communication domain. The communication infrastructure that is ...
    • Guaranteed delivery of semi-synchronous IP-based communication 

      Julius, Elroy P.; Tucker, William David (Telkom, 2005)
      This paper presents an empirical solution for guaranteeing the delivery of synchronous and asynchronous messages within a semi-synchronous IPbased communication domain. The communication infrastructure that is needed between ...
    • Handheld fast-track feedback instant messaging 

      Adesemowo, A. Kayode; Tucker, William David (Telkom, 2003)
      As mobile devices and networks become more data-centric, text messaging requires an extension of co-presence capabilities for better interactive discussion between input/output handicapped handheld users and their free ...
    • Higher education students’ perceptions of online learning during Covid-19—A comparative study 

      Cranfield, Desireé J.; Tick, Andrea; Venter, Isabella M. (MPDI, 2021)
      The pandemic and subsequent ‘lockdowns’ dramatically changed the educational landscape of higher education institutions. Before-COVID-19, traditional universities had choices in pedagogical practice, which included a ...
    • ICT and information security perspectives in E-Health Systems 

      Agbele, Kehinde K.; Nyongesa, Henry O.; Adesina, Ademola Olusola (Medwell Journals, 2010)
      This study examines issues pertinent to the rapidly evolving use of information as a currency of modern economies. Access to information has important benefits that can be achieved in many areas including, social-economic ...
    • The impact of ICT Investments on human development: a regression splines analysis 

      Bankole, Felix Olu; Osei-Bryson, Kweku-Muata; Brown, Irwin (Taylor & Francis, 2013)
      Despite the worldwide growth in investments in information and communication technology (JCT), few studies have investigated the complex interactions between components of JCT investments and different dimensions of human ...
    • Improved Hand-Tracking Framework with a Recovery Mechanism 

      Achmed, Imran; Venter, Isabella M.; Eisert, Peter (Telkom, 2013)
      Abstract−Hand-tracking is fundamental to translating sign language to a spoken language. Accurate and reliable sign language translation depends on effective and accurate hand-tracking. This paper proposes an improved ...
    • Improving quality-of-service in cloud/fog computing through efficient resource allocation 

      Akintoye, Samson Busuyi; Bagula, Antoine (MPDI, 2019)
      Recently, a massive migration of enterprise applications to the cloud has been recorded in the IT world. One of the challenges of cloud computing is Quality-of-Service management, which includes the adoption of appropriate ...
    • Improving usability and correctness of a mobile tool to help a Deaf person with pharmaceutical instruction 

      Motlhabi, Michael B.; Tucker, William David; Parker, Mariam B.; Glaser, Meryl (ACM, 2013)
      The computing for development community knows how to build user interfaces using qualitative methods for text il- literate users, especially on mobile devices. However, lit- tle work has been done speci cally targeting ...
    • An in-depth study of the ICT ecosystem in a South African rural community: unveiling expenditure and communication patterns 

      Rey-Moreno, Carlos; Blignaut, Renette; May, Julian; Tucker, William David (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 ...
    • Information protection in video relay services 

      Henney, Andre J.; Tucker, William David (ACM, 2013)
      This work in progress paper reports on initial research into the protection of information of the individuals that make use of video relay services. Our research team has developed an application called SignSupport, to aid ...
    • Insights into the use and affordances of social and collaborative applications for student projects 

      Bankole, Omolola O.; Venter, Isabella M. (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 ...
    • Instant Messaging on handhelds: affective feedback 

      Adesemowo, A. Kayode; Tucker, William David (Telkom, 2004)
      A text only Instant Messaging (IM) built on the IETF open standard SIP/SIMPLE has been developed in line with our proposed introduction of a user-defined text Hotkey feature. These act as an on-click Affective Gesture (AG): ...
    • Instant messaging on handhelds: an affective gesture approach 

      Adesemowo, A. Kayode; Tucker, William David (SAICSIT in association with ACM, 2005)
      Text communication can be perceived as lacking in chat spontaneity, or plastic, due to medium limitations during interaction. A form of text messaging, Instant Messaging (IM), is now on the uptake, even on mobile handhelds. ...