This paper describes UNIFRAME, a rigourous methodology to assist expert system designer from the conceptual design phase to the validation phase. The knowledge representation combines the Entity-relationship model, the frame representation, extended Petri Nets and decision tables. UNIFRAME has been successfully applied to several expert system cases.
AKOKA, J. and COMYN-WATTIAU, I. (1994). UNIFRAME : A Methodology for Expert System Design and Development. In: EXPERSYS-94 - Expert Systems Applications and Artificial Intelligence. IITT, pp. 43-50.