It is vital that an enterprise establishes the relative performance of its
processes within any market sector. As an enterprise measures and monitors
the performance of its competitors' processes vis-A-vis their own, the ente
rprise can be described as initiating a benchmarking study. This paper desc
ribes the knowledge acquisition methodology and the knowledge management me
thodology adopted for the development of a knowledge-based system to estima
te the cash cost performance of the product delivery process of steel plant
s. It will show how the combination of the two methodologies interacted to
produce and implement a successful knowledge-based system that estimated th
e cash cost performance of an electric arc furnace from incomplete and qual
itative information.