OFMspert (Operator Function Model expert system) is an architecture for an intelligent
operator's associate. The function of such an associate is to provide intelligent assistance for
the human operator of a complex dynamic system. The basis for intelligent, context-sensitive
advice and reminders is the ability of the associate to infer likely operator intentions in real
time. This paper describes the implementation and validation of OFMspert's intent
inferencing capability. In particular, a two-stage methodology for validation is proposed. This …