OLIVEIRA, Miguel; MELO, Tiago. Investigating Sentences Features for Subjectivity and Polarity Classification in Brazilian Portuguese. In: NATIONAL MEETING ON ARTIFICIAL AND COMPUTATIONAL INTELLIGENCE (ENIAC), 17. , 2020, Evento Online. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2020 . p. 270-281. ISSN 2763-9061. DOI: https://doi.org/10.5753/eniac.2020.12135.