Bigonha, Carolina, Thiago N. C.. Cardoso, Mirella M. Cardoso, Virgílio A. F. Moro, and Marcos A. Almeida.
" Detecting Evangelists and Detractors on Twitter." <em>Proceedings of the 16th Brazilian Symposium on Multimedia and the Web,
Belo Horizonte, 2010</em>. SBC, 2010,  
pp.107-114.