The ROSA project: leveraging e-learning to a semantic layer.

Fabio Porto Ana Maria de Carvalho Moura Fábio José Coutinho da Silva Adriana Pereira Fernandez The ROSA project: leveraging e-learning to a semantic layer. 46-75 2007 3 Int. J. Knowledge Learning 1 http://dx.doi.org/10.1504/IJKL.2007.012600 db/journals/ijkl/ijkl3.html#PortoMSF07