Building expert systems
Research on expert systems
The advantages of abstract control knowledge in expert system design
The advantages of abstract control knowledge in expert system design
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This paper describes a framework and a design technique which address the problems inherent in coordinating the activities of distinct and operational expert systems. The framework, which combines aspects of blackboard and network approaches, simultaneously allows for a full range of interaction between existing systems and imposes a minimum of localized change on them. It specifies that each component system project a model of itself to a global expert which, in turn, represents the reasons motivating the coordination. The technique, based on Basili's top-down data collection methodology, uses the reasons for coordination to derive descriptions of necessary component models. An example is provided which demonstrates the utility of both the framework and the technique.