SENTIMENT CLASSIFICATION OF UNSTRUCTURED DATA USING LEXICAL BASED TECHNIQUES. Jurnal Teknologi, [S. l.], v. 77, n. 18, 2015. DOI: 10.11113/jt.v77.6497. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/6497.. Acesso em: 5 may. 2024.