XIAOTONG SHI; HAOJUN WENG. Comparative Analysis of Unsupervised Learning Approaches for Anomalous Billing Pattern Detection in Healthcare Payment Integrity. Journal of Computing Innovations and Applications, [S. l.], v. 2, n. 1, p. 111–127, 2024. DOI: 10.63575/CIA.2024.20110. Disponível em: https://ciajournal.com/index.php/jcia/article/view/45. Acesso em: 15 jan. 2026.