Sandro Rigo, Silvio Cazella, and Wagner Cambruzzi. 2012.
 Mining educational data with a focus on school dropout: opportunities, challenges, and needs. In <em>Proceedings of the 1st Challenges of Computing applied to Education Workshop</em>, July 16, 2012, Curitiba/PR, Brasil. SBC, Porto Alegre, Brasil, 138-147.