A. de Sousa and K. Becker.
"Pro/Anti-vaxxers in Brazil: a temporal analysis of COVID vaccination stance in Twitter", in <em>Anais do IX Symposium on Knowledge Discovery, Mining and Learning</em>, Rio de Janeiro, 2021, pp. 105-112, doi: <a href="https://doi.org/10.5753/kdmile.2021.17467">https://doi.org/10.5753/kdmile.2021.17467</a>.