In the case of a rule-based expert system, this domain knowledge is … The knowledge base is formed by readings from various experts, scholars, and the Knowledge Engineers. We will introduce these components below. A non-expert client seeking direct advice (ES acts as a Consultant or Advisor) A student who wants to learn (ES acts as an Instructor) Typical expert system architecture is shown in Figure 11.1. One expert system may contain knowledge from more than one human experts thus making the solutions more efficient. Expert System Architecture 10. Architecture of Expert System User User Interface Inference Engine Facts, Queries Advice, Consultation, Justification Explanation Facility Self-Training Facility Knowledge Acquisition Facility Knowledge Database (rules) Domain Database (facts) DBMS Working memory Expert The complex architecture. Knowledge Base . The knowledge base contains the specific domain knowledge that is used by an expert to derive conclusions from facts. It decreases the cost of consulting an expert for various domains such as medical diagnosis. User: Possible Classes of Users can be. Human experts are perishable but an expert system is permanent. 10 The knowledge engineer is a person with the qualities of empathy, quick learning, and The Client Interface processes requests for service from system-users and from application layer components.

These are the inference engine, the knowledge base, and the User interface. It helps to distribute the expertise of a human.

An expert system is typically composed of at least three primary components. The Knowledge-base Editor is a simple editor that enable a subject matter expert to compose and add rules to the Knowledge-base. The knowledge base is a collection of rules or other information structures derived from the human expert. Architecture of an Expert System . The Expert & the knowledge Engineer should Anticipate Users’ needs & Limitations when designing Expert Systems. The success of any expert system majorly depends on the quality, completeness, and accuracy of the information stored in the knowledge base. "expert system" refers to the type of task the system is trying to assist with – to replace or aid a human expert in a complex task typically viewed as requiring expert knowledge "knowledge-based system" refers to the architecture of the system – that it represents knowledge explicitly, rather than as procedural code.