Souza, Bruno A., 		Almeida, Thais G., 		Menezes, Alice A. F., 		Nakamura, Fabíola Guerra, 		Figueiredo, Carlos Mauricio S., E 		Nakamura, Eduardo Freire.
" For or Against?: Polarity Analysis in Tweets about Impeachment Process of Brazil President" <em>Proceedings of the Brazilian Symposium on Multimedia and the Web (WebMedia)</em> [Online], (8 novembro 2016)