NAZIM NAZIR; ANURADHA KALANSURIYA; SEEMAB JAVED; ZUNAIRA IRFAN; RASHED ABU HAMMOUR. Modernizing Legacy Safety Instrumented Systems: A SIL 2 Predictive Gas Detection Framework for Global IEC 61511 Compliance and Industrial Risk Reduction. International Journal of Computer Information Systems and Industrial Management Applications, [S. l.], v. 18, n. 23s, p. 1088–1117, 2026. DOI: 10.70917/ijcisim-2026-5682. Disponível em: https://cspub-ijcisim.org/index.php/ijcisim/article/view/5682. Acesso em: 18 sep. 2026.