Now showing items 106-125 of 170

    • MUTI Telehealth 

      Tucker, William David; Vuza, Xolisa; Chetty, Marshini; Blake, Edwin H.; Marsden, Gary; Pearson, Murray; Westerveld, Rudi (2007)
      For four years we have been iteratively evolving MUTI, a rural telehealth system, for hospitals and clinics in a remote rural part of the Eastern Cape in South Africa (Chetty, 2005; Chetty et al., 2003, 2004a; Maunder et ...
    • A novel approach integrating ranking functions discovery, optimization and infernce to improve retrieval performance 

      Agbele, Kehinde K.; Adesina, Ademola Olusola; Nyongesa, Henry O.; Febba, Ronald (Medwell Journals, 2010)
      The significant roles play by ranking function in the performance and success of Information Retrieval (IR) systems and search engines cannot be underestimated. Diverse ranking functions are available in IR literature. ...
    • A novel document ranking algorithm that supports mobile healthcare information access effectiveness 

      Agbele, Kehinde K.; Adesina, Ademola Olusola; Azeez, Nureni A.; Abidoye, Ademola P.; Febba, Ronald (Academic Journals Inc., 2011)
      This study presented DROPT; an acronym for Document ranking Optmization algorithm approach, a new idea for the effectiveness of meaningful retrieval results from the information source. Proposed method extracted the frequency ...
    • A Novel Epidemic Model for the Interference Spread in the Internet of Things 

      Tuyishimire, E; Niyigena, J; Tubanambazi, F; Bagula, A (MDPI, 2022)
      : Due to the multi-technology advancements, internet of things (IoT) applications are in high demand to create smarter environments. Smart objects communicate by exchanging many messages, and this creates interference ...
    • A novel immersive anatomy education system (anat_hub): Redefining blended learning for the musculoskeletal system 

      Boomgaard, Ayesha; Fritz, Kaylyn A.; Isafiade, Omowunmi E. (MDPI, 2022)
      Immersive technologies are redefining ways of interacting with 3D objects and their environments. Moreover, efforts in blended learning have presented several advantages of incorporating educational technology into the ...
    • On the Evolution Equation for Modelling the Covid-19 Pandemic 

      Blackledge, J (2021)
      The paper introduces and discusses the evolution equation, and, based exclusively on this equation, considers random walk models for the time series available on the daily confirmed Covid-19 cases for different countries. ...
    • An ontology for the south african protection of personal information act 

      Jafta, Yahlieel; Leenen, Louise; Chan, Peter (Curran Associates Inc., 2020)
      The protection and management of data, and especially personal information, is becoming an issue of critical importance in both the business environment and in general society. Various institutions have justifiable reasons ...
    • Open user interconnect and quality of communication 

      Tucker, William David; Blake, Edwin H.; Marsden, Gary (Telkom, 2004)
      We looked for and found two situations within the South African Digital Divide where constant and severe macro-scale latencies would most likely interfere with the usage of Information and Communication Technology (ICT) ...
    • Optimisation of SlotTime for a single-radio Mid-Range Multi-hop Wireless Mesh Network 

      Rey-Moreno, Carlos; Tucker, William David; Simo-Reigadas, Javier (Telkom SA, 2014)
      This paper presents the business context and results of an optimisation exercise for a single-radio mid-range multi-hop wireless mesh network for the provision of VoIP services. This WiFi mesh network physically covers 30 ...
    • A participatory design for a billing system: A South African case study of a community based telephony system 

      Ufitamahoro, Marie Josee; Venter, Isabella; Rey-Moreno, Carlos; Tucker, William David (ACM, 2014)
      This paper describes the role participatory design can play in developing and implementing an information and communication technology for development project in a rural area. It shows how the process of co-designing an ...
    • Peer-to-Peer Computing and Grid Computing: towards a better understanding 

      Azeez, Nureni A.; Abidoye, Ademola P.; Adesina, Ademola Olusola; Agbele, Kehinde K.; Iyamu, Tiko; Venter, Isabella M. (Akamai University, 2011)
      Currently, both Peer-to-Peer Computing (P2P) and Grid Computing have remained the most vibrant and useful forms of distributed computing all over the world. Their applications are such that they cut across both academia ...
    • Performance Evaluation of a Wireless Network using a VoIP Traffic Generator on a Mobile Device 

      Tiemeni, Ghislaine Livie Ngangom; Venter, Isabella; Tucker, William David (ACM, 2014)
      The problem of generating different patterns of traffic to emulate real user behaviour is receiving considerable attention with the construction of new and more complex network architectures. The theoretical modelling of ...
    • Please call ME.N.U.4EVER: designing for “Callback” in rural Africa 

      Bidwell, Nicola J.; Lalmas, Mounia; Marsden, Gary; Dlutu, Bongiwe; Ntlangano, Senzo; Manjingolo, Azola; Tucker, William David; Jones, Matt; Robinson, Simon; Vartiainen, Elina; Klampanos, Iraklis (Product & Systems Internationalisation, Inc, 2011)
      Designers and developers are naïve about the ways impoverished people in rural Africa innovate new uses of mobile technology to circumvent access difficulties. Here, we report on the local appropriation of an USSD ‘Callback’ ...
    • Policy-based network management of legacy equipment in Next Generation Networks 

      Naidoo, Vaughn; Tucker, William David (Telkom, 2001)
      Next Generation Networks use policy-based network management and QoS protocols to provide voice services on IP networks. Large numbers of older equipment still push IP packets. We present several solutions that include ...
    • A preliminary study of a graphene fractal sierpinski antenna 

      Blackledge, Jonathan M.; Boretti, Alberto; Rosa, Lorenzo (Institute of Physics Publishing, 2020)
      We provide a preliminary study of a Graphene fractal antenna operating at THz frequencies with the opportunity to modulate the emission. There are many advantages of the fractal design, namely multiband/wideband ability, ...
    • Preparation of Deaf end-users and the softbridge for semi-automated relay trials 

      Glaser, Meryl; Tucker, William David; Mashao, Daniel (Telkom, 2004)
      Following on the development of several prototypes, we have built a semi-automated Deaf Telephony prototype on the SoftBridge platform. This prototype relays text and speech between Deaf users on the Internet and hearing ...
    • A query-based SMS translation in information access system 

      Adesina, Ademola Olusola; Agbele, Kehinde K.; Azeez, Nureni A.; Abidoye, Ademola P. (Blue Eyes Intelligence Engineering & Sciences Publication Pvt. Ltd., 2011)
      Mobile technology has contributed to the evolution of several media of communication such as chats, emails and short message service (SMS) text. This has significantly influenced the traditional standard way of expressing ...
    • Real-time gesture recognition using eigenvectors 

      Segers, Vaughn; Connan, James (2009)
      This paper discusses an implementation for gesture recognition using eigenvectors under controlled conditions. This application of eigenvector recognition is trained on a set of defined hand images. Training images are ...
    • Reflection on three years of rural wireless Internet Protocol communication 

      Tucker, William David; Blake, Edwin H.; Marsden, Gary; Pearson, Murray; Westerveld, Rudi (Telkom, 2007)
      This paper reports on three years of research and fieldwork with a rural wireless Internet Protocol communication project. We built a long-range WiFi network and custom communication software to support a rural telehealth ...
    • Regional rainfall prediction using support vector machine classification of large-scale precipitation maps 

      Hussein, Eslam A.; Ghaziasgar, Mehrdad; Thron, Christopher (Institute of Electrical and Electronics Engineers Inc., 2020)
      Rainfall prediction helps planners anticipate potential social and economic impacts produced by too much or too little rain. This research investigates a class-based approach to rainfall prediction from 1-30 days in advance. ...