Márcio Saraiva and Claudia Medeiros. 2016.
 Use of graphs and taxonomic classifications to analyze content relationships among courseware. In <em>Anais do XXXI Simpósio Brasileiro de Bancos de Dados</em>, outubro 04, 2016, Salvador/BA, Brasil. SBC, Porto Alegre, Brasil, 265-270. DOI: <a href="https://doi.org/10.5753/sbbd.2016.24339">https://doi.org/10.5753/sbbd.2016.24339</a>.