RAJALAKSHMI, P.; RAJAGOPALAN, D. Sentiment Ontology Analysis in Pharmacovigilance – A Review. International Journal of Engineering and Computer Science, india, v. 6, n. 10, p. 22567–22579, 2017. Disponível em: http://ijecs.in/index.php/ijecs/article/view/2577. Acesso em: 4 may. 2024.