MANIRAJ, V; MARY, R. Productive K-Nearest Neighbor (PKNN) and Index Based Positioning for Keyword Search. International Journal of Computer Sciences and Engineering, [S. l.], v. 4, n. 4, p. 379–383, 2025. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/951. Acesso em: 2 feb. 2026.