Monteiro Macedo, J., 		Miyaji, R., 		Moulin, R., & 		Machado, L.
(2026).
 Two-Layer RAG for Value Grounding and Schema Linking in LLM-Based Text-to-SQL Systems.
In <em>Proceedings of the 41st Brazilian Symposium on Databases</em>, (pp. 896-902). Porto Alegre: SBC.
doi:10.5753/sbbd.2026.249462