DiagnosticIQ: A Benchmark for LLM-Based Industrial Maintenance Action Recommendation from Symbolic Rules. - Devin Yasith De Silva; Dhaval Patel 002; Christodoulos Constantinides; Shuxin Lin; Nianjun Zhou; Paul J. Adams; Sal Rosato; Nicolas Constantinides; Deborah L. McGuinness; Jayant Kalagnanam (CoRR, 2026)