@article{souza_graça_silva_2017,  title={Politics on the Web: Using Twitter to Estimate the Ideological Positions of Brazilian Representatives
				},  volume={11},  ISSN={1981-3821},  url={https://doi.org/10.1590/1981-3821201700030003},  DOI={10.1590/1981-3821201700030003},  number={3},  journal={Brazilian Political Science Review},  publisher={Associação Brasileira de Ciência Política},  author={Souza, Rafael Martins de and Graça, Luís Felipe Guedes da and Silva, Ralph dos Santos},  year={2017},  pages={e0003} }