When Politicians Talk About Politics: Identifying Political Tweets of Brazilian Congressmen. - Lucas S. Oliveira; Pedro O. S. Vaz de Melo; Marcelo S. Amaral; José Antônio G. Pinho (ICWSM, 2018)

Do Politicians Talk about Politics? Assessing Online Communication Patterns of Brazilian Politicians. - Lucas Santos de Oliveira; Pedro O. S. Vaz de Melo; Marcelo S. Amaral; José Antônio G. Pinho (ACM Trans. Soc. Comput., 2020)

Long-term Characterization of Political Communications on Social Media. - Lucas Santos de Oliveira; Marcelo Santos Amaral; Pedro O. S. Vaz de Melo (WI/IAT, 2021)