Paulo Freire and Ronaldo Goldschmidt. 2019.
 Combating Fake News on Social Media by Implicit Crowd Signals. In <em>Proceedings of 16th National Meeting on Artificial and Computational Intelligence</em>, October 15, 2019, Salvador, Brasil. SBC, Porto Alegre, Brasil, 424-435. DOI: <a href="https://doi.org/10.5753/eniac.2019.9303">https://doi.org/10.5753/eniac.2019.9303</a>.