Barbosa, Jacson, Ivone Penque Matsuno, Eduardo R. Guimarães, Solange Oliveira Rezende, Auri M. R. Vincenzi, and Márcio E. Delamaro. " Text Mining to Support Predicting Severity of Incident Reporting: A Feasibility Study." Proceedings of the 16th Brazilian Symposium on Software Quality, Rio de Janeiro, 2017. SBC, 2017, pp.89-103.