Alves, André Luiz Firmino, Cláudio de Souza Baptista, Anderson Almeida Firmino, Maxwell Guimarães de Oliveira, and Anselmo Cardoso de Paiva. "A Comparison of SVM Versus Naive-Bayes Techniques for Sentiment Analysis in Tweets - A Case Study with the 2013 FIFA Confederations Cup." Anais do XX Simpósio Brasileiro de Sistemas Multimídia e Web, João Pessoa, 2014. SBC, 2014, pp.123-130.