Roberto Oliveira, Jefferson Araújo, Francisco Medeiros, and Alisson Brito. 2012.
 Monitoring of the Interactions of Apprentices in the Social Network Twitter as Support to the Process of Teacher Mediation. In <em>Proceedings of the 1st Brazilian Workshop on Social Network Analysis and Mining</em>, July 17, 2012, Curitiba, Brasil. SBC, Porto Alegre, Brasil, 141-152.