ROSA: A Data Model and Query Language for e-Learning Objects. - Fábio Porto 001; Ana Maria de Carvalho Moura; Adriana Pereira Fernandez; Abílio Fernandes; Fábio José Coutinho da Silva; Gilda Helena Bernardino de Campos; Laura Coutinho (PGLDB, 2003)

ROSA: A Repository of Objects with Semantic Access for e-Learning. - Fábio Porto 001; Ana Maria de Carvalho Moura; Fábio José Coutinho da Silva (IDEAS, 2004)

The ROSA project: leveraging e-learning to a semantic layer. - Fábio Porto 001; Ana Maria de Carvalho Moura; Fábio José Coutinho da Silva; Adriana Pereira Fernandez (Int. J. Knowl. Learn., 2007)