Freitas, F., 		Albuquerque, M., 		Sales, G., 		Medeiros, C., 		Cândido, A., & 		Rebouças Filho, P.
2018 Oct 29.  The Use of Artificial Neural Networks for Analyzing Presence in an LV Forum. Proceedings of the Brazilian Symposium on Computers in Education (SBIE). [Online] :