Felipe Moraes, Marisa Vasconcelos, Patrick Prado, Jussara Almeida, and Marcos Gonçalves. 2013.
 Polarity analysis of micro reviews in foursquare. In <em>Proceedings of the 19th Brazilian Symposium on Multimedia and the Web</em>, novembro 05, 2013, Salvador, Brasil. SBC, Porto Alegre, Brasil, 113-120.