E-Infrastructure and E-Services for Developing Countries : Second International ICST Conference, AFRICOM 2010, Cape Town, South Africa, November 25-26, 2010, Revised Selected Papers - Radu Popescu-Zeletin, Idris A. Rai, Karl Jonas, Adolfo Villafiorita ((Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering))