Danyllo Albuquerque, Alisson Brito, Jansepetrus Pereira, Moacir Mendonça, and Alexandre Duarte. 2013.
 Study of the use of Twitter as an Opinion Analysis Tool during the Municipal Elections of João Pessoa. In <em>Proceedings of the 2nd Brazilian Workshop on Social Network Analysis and Mining</em>, August 01, 2013, Maceió, Brasil. SBC, Porto Alegre, Brasil,    103-115.