Azevedo, D., 		Ferreira, R., 		Mendonça, V., & 		Miranda, P.
(2017).
 Application of Sentiment Analysis in Educational Forums to Prevent Dropout.
In <em>Proceedings of the 28th Brazilian Symposium on Computers in Education</em>, (pp. 1097-1106). Porto Alegre: SBC.
doi:10.5753/cbie.sbie.2017.1097