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  • Ma, Zhen Yu; Tucker, William D. (Telkom, 2008)
    Deaf people want to communicate remotely with sign language. Sign language requires sufficient video quality to be intelligible. Internet-based real-time video tools do not provide that quality. Our approach is to use ...
  • Agbele, Kehinde K.; Adesina, Ademola Olusola; Daniel, Ekong; Seluwa, Dele (International Science Press, 2012)
    As the volume of information available on the Web information systems is growing continuously, browsing this content becomes a tedious task given the presentation of data that does meet user's aims and needs. In this paper, ...
  • Abidoye, Ademola P.; Azeez, Nureni A.; Adesina, Ademola Olusola; Agbele, Kehinde K. (Scientific Research Publishing, 2011)
    One of the major constraints of wireless sensor networks is limited energy available to sensor nodes because of the small size of the batteries they use as source of power. Clustering is one of the routing techniques that ...
  • Ma, Zhen Yu; Tucker, William D. (Telkom, 2007)
    The South African Deaf community has very limited telephony options. They prefer to communicate in sign language, a visual medium. Realtime video over Internet Protocol is a promising option, but in reality, the quality ...
  • Yi, Long; Tucker, William D. (Telkom, 2009)
    One way for Deaf people to communicate with hearing people over the telephone is to use a voice relay. The service is often provided with a human relay operator that relays text into voice, and vice versa, on behalf of the ...
  • Blignaut, Rénette; Venter, M.; Renaud, Karen (2013)
    Universities are increasingly required to respond to the ever evolving needs of an ever more sophisticated and globalised workplace, which requires well-rounded workers with more than mere technical knowledge. Employers ...
  • Blake, Edwin H.; Tucker, William D. (CTIT, 2004)
    Connecting people across the Digital Divide is as much a social effort as a technological one. We are developing a community-centered approach to learn how interaction techniques can compensate for poor communication across ...
  • Wang, Yuan Yuan; Tucker, William D. (Telkom, 2010)
    This paper describes the design and evaluation of two browser-based video communication prototypes that support sign language communication between Deaf people. The research explores combinations of technologies, protocols ...
  • Wang, Yuan Yuan; Tucker, William D. (Telkom, 2009)
    This paper describes work in progress to to provide browser-based sign language communication for deaf users. The paper introduces the communication requirements for a disadvantaged Deaf community in Cape Town, describes ...
  • Zulu, Docas Dudu; Tucker, William D. (Telkom, 2010)
    This paper describes work in progress on call capacity optimization for voice over Internet Protocol on wireless mesh networks. In a developing country such as South Africa, evidence has shown that rural inhabitants find ...
  • Mutemwa, Muyowa; Tucker, William D.; Norman, Michael (Telkom, 2009)
    This paper discusses how an Instant Messaging application on a computer can use Bluetooth in order to provide vibration notification on a mobile phone. The initial motivation was to aid Deaf1 office workers to know when ...
  • Reitmaier, Thomas; Bidwell, Nicola J.; Siya, Masbulele Jay; Marsden, Gary; Tucker, William D. (IIMC International Information Management Corporation, 2012)
    We describe designing an asynchronous, oral repository and sharing system that we intend to suit the needs and practices of rural residents in South Africa. We aim to enable users without access to personal computers to ...
  • Tucker, William D. (ACM, 2004)
    Connecting people across the Digital Divide is as much a social effort as a technological one. We are developing a community-centered approach to learn how interaction techniques can compensate for poor communication across ...
  • Agbele, Kehinde K.; Adesina, Ademola Olusola; Azeez, Nureni A.; Abidoye, Ademola P. (Institute of Electrical and Electronics Engineers (IEEE) Inc., 2012)
    There is a growing interest in the use of context-awareness as a technique for developing pervasive computing applications that are flexible and adaptable for users. In this context, however, information retrieval (IR) ...
  • Blake, Edwin H.; Tucker, William D.; Glaser, Meryl; Freudenthal, Adinda (Wiley, 2011)
    The process of community-based co-design is one that explores various solution configurations in a multi-dimensional design space whose axes are the different dimensions of requirements and the various dimensions of designer ...
  • Blake, Edwin H.; Tucker, William D.; Glaser, Meryl; Freudenthal, Adinda (Wiley, 2011)
    The process of community-based co-design is one that explores various solution configurations in a multi-dimensional design space whose axes are the different dimensions of requirements and the various dimensions of designer ...
  • Azeez, Nureni A.; Abidoye, Ademola P.; Agbele, Kehinde K.; Adesina, Ademola Olusola (Academic Journals Inc., 2012)
    Grid computing is an emergent computing innovation which offers endless access to computing infrastructure across various organizations (academia and industry). Since this technology allows aggregation of various computer ...
  • Renaud, Karen; Blignaut, Rénette; Venter, Isabella M. (Springer, 2013)
    Designing for diversity is a laudable aim. How to achieve this, in the context of mobile phone usage by South African seniors, is a moot point. We considered this question from two possible perspectives: universal ...
  • Chetty, Marshini; Tucker, William D.; Blake, Edwin H. (SAICSIT, in assocation with ACM, 2004)
    The digital divide between rural and urban areas within developing countries is vast. We investigate how to address this divide by introducing Information and Communication Technologies (ICTs) into remote rural areas. Our ...
  • Adesina, Ademola Olusola; Nyongesa, Henry O.; Agbele, Kehinde K. (IIMC International Information Management Corporation, 2010)
    Digital watermarking is the art of embedding data, called a watermark, into a multimedia object such that the watermark can be detected or extracted later without impairing the object. Concealment of secret messages ...

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