E. GuimarĂ£es, D. Vianna, A. Paes, and A. Plastino. "Enriching datasets for sentiment analysis in tweets with instance selection", in Anais do IX Symposium on Knowledge Discovery, Mining and Learning, Rio de Janeiro, 2021, pp. 73-80, doi: https://doi.org/10.5753/kdmile.2021.17463.