WEI, Haoyan; WU, Yuqing; LI, Mengtong. RAGN-IIoT: A Retrieval-Augmented NL2SQL Framework with Dynamic Sensor-Selection Guardrails for Industrial IoT Time-Series Data Warehouses. Journal of Computer, Signal, and System Research, [S. l.], v. 2, n. 7, p. 78–88, 2025. DOI: 10.71222/esyn7b58. Disponível em: http://www.gbspress.com/index.php/JCSSR/article/view/545. Acesso em: 16 mar. 2026.