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