Expert System
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An Expert System is a computer-based application designed to simulate the decision-making capabilities of a human expert. It operates using a structured knowledge base, inference engine, and user interface to offer expert-level solutions in specialized domains such as medicine, finance, industry, and law. The document elaborates on the core components of expert systems—including knowledge acquisition, explanation facility, and reasoning techniques like forward and backward chaining. Various types of expert systems such as rule-based, fuzzy, neural, frame-based, and neuro-fuzzy systems are discussed in detail, along with real-world applications and limitations. The document also explores the relationship between expert systems, inference engines, and modern AI advancements like Large Language Models (LLMs), emphasizing their evolution and integration within machine learning workflows.
