abstract
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In this paper we intend to investigate the nature of those rules which are shared among decision makers facing similar ill-structured decision environments. To study this phenomena, the decision rules of three security analysts were captured and implemented in the form of three expert systems. This enabled us to make sure that the underlying rules and processes are similar to those used by each of the three experts involved in the project. The reliability of each expert system and consequently the reliability of underlying rules was tested using real cases and comparing the resulting recommendations of the systems with those of the experts .
The specific nature of the rules used in the expert systems for each security analyst (subject) is not divulged in this report because of the proprietary nature of the decision rules .