Barros Filho, R., 		Magalhães, J., 		Silva, M., 		Costa, E., & 		Luna, H.
(2015).
 2014 FIFA World Cup: An Initial Analysis of Collective Sentiments in Twitter.
In <em>Proceedings of the 4th Brazilian Workshop on Social Network Analysis and Mining</em>, (pp.  ). Porto Alegre: SBC.
doi:10.5753/brasnam.2015.6798