Author:Butgereit, L; Botha, RADate:May 2010The mobile phone is quickly becoming the personal computer of Africa. In Africa the cell phone is widely used, for example, in banking, crime prevention, tracking applications for identification documents, and education. C³TO is an architecture ...Read more
Author:Butgereit, L; Botha, RADate:Mar 2010To the mathematics teachers who are comfortable with expressions like Ө, φ, Σ and Δ t, the terms “mxit”, “chatter bot”, “xmpp”, and “jabber” may sound like Greek to them. Although recent research has shown that primary and secondary school ...Read more
Author:Butgereit, L; Botha, RADate:Jan 2010Dr Math is a mobile tutoring system which has been running in South Africa for three years. It links primary and secondary school pupils to tutors in mathematics. The pupils use the popular Mxit chat client on their cell phones. The tutors ...Read more
Author:Butgereit, LDate:May 2011People volunteer their time and energy to projects for many different reasons. For some people, the reason may be that family members are involved in the project such as parents volunteering at their children's schools or parents becoming ...Read more
Author:Butgereit, LL; Botha, RADate:Sep 2011N-grams are used to quantify the similarity between two documents or the similarity between two collections of words. This paper shows how N-grams of length 3 and 4 both coupled with text processing (including stop word removal and stemming ...Read more