In an expert system, which component serves as the go-between connecting the human operator with the system's inference engine?
In the classic expert system architecture, the user interface is the layer through which a human operator enters queries or data and receives the reasoning results (including explanations) generated by the inference engine. It translates human input into a form the inference engine can process and converts the engine's output back into a human-understandable format, making it the intermediary between the person and the underlying reasoning logic. The knowledge base merely stores facts and rules, and a chatbot is only one possible implementation of a conversational interface, not the general architectural term used for this role.
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