IMPROVING COVID-19 INFORMATION RETRIEVAL BY INTEGRATING SEMANTICS AND CLUSTERING. Kashf Journal of Multidisciplinary Research, [S. l.], v. 2, n. 01, p. 277–292, 2025. DOI: 10.71146/kjmr236. Disponível em: https://kjmr.com.pk/kjmr/article/view/236. Acesso em: 2 jun. 2026.