PolicyGuard-RAG: Compliance-Aware Retrieval-Augmented Recommendation Systems for AI-Generated Commercial Content with Verifiable Governance Mechanisms. International Journal of Artificial Intelligence Engineering and Systems, [S. l.], v. 1, n. 1, 2026. Disponível em: https://ijaies.org/index.php/home/article/view/21. Acesso em: 29 jul. 2026.