ABSTRACT
Material from this chapter was first published at the Interactive Computer-Aided Blended Learning 2007 conference in Florianopolis, Brazil. V.N. Alexandrov was with the School of Systems Engineering, The University of Reading, United Kingdom, and is now with ICREA and the Barcelona Supercomputing Centre, Spain. R.V. Ramirez-Verlarde is with the Computer Science Department, Tecnologico de Monterrey, Mexico.
