André Luiz Firmino Alves, Cláudio de Souza Baptista, Anderson Almeida Firmino, Maxwell Guimarães de Oliveira, and Anselmo Cardoso de Paiva. 2014. A Comparison of SVM Versus Naive-Bayes Techniques for Sentiment Analysis in Tweets - A Case Study with the 2013 FIFA Confederations Cup. In Proceedings of the 20th Brazilian Symposium on Multimedia and the Web, novembro 18, 2014, João Pessoa, Brasil. SBC, Porto Alegre, Brasil, 123-130.