Improving the Efficiency in Identification of Sentiments of COVID Patients over Online Social Networks using Novel Naive Bayes Algorithm Comparing Random Forest Algorithm. Journal of Pharmaceutical Negative Results, [S. l.], p. 639–646, 2022. DOI: 10.47750/pnr.2022.13.S04.071. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/955.. Acesso em: 3 jun. 2026.