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KNOWLEDGE BASED SYSTEMS

KNOWLEDGE BASED SYSTEMS. Dr.A.Kannan. ARTIFICIAL INTELLIGENCE. AI – John Mc Carthy 1956. Make Computers to do things. Developing Intelligent Computer Programs. Classes of AI Theorem proving Perception Robotics Natural Language Processing Common Sense Reasoning Expert Systems

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KNOWLEDGE BASED SYSTEMS

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  1. KNOWLEDGE BASED SYSTEMS Dr.A.Kannan

  2. ARTIFICIAL INTELLIGENCE • AI – John Mc Carthy 1956. • Make Computers to do things. • Developing Intelligent Computer Programs. • Classes of AI • Theorem proving • Perception • Robotics • Natural Language Processing • Common Sense Reasoning • Expert Systems • Game Playing

  3. Knowledge Based Systems • Domain Expert • Knowledge Engineering • Knowledge Engineer • Knowledge = Facts + Rules • Knowledge Base • Knowledge Based Systems • Database Systems Vs Knowledge Base Systems.

  4. Knowledge Base Vs Database

  5. AI Programs - Exhibit Intelligent Behavior by skillful application of heuristics. KBS – Make domain knowledge explicit Expert Systems – Apply expert knowledge to difficult, Real world problems.

  6. Expert Systems • Knowledge Base = Facts + Rules. • Inference Engine (Interpreter + Scheduler) • Deduction • Reasoning • Temporal Reasoning • Reasoning by Analogy • Chaining (Forward & Backward) • Representation and Manipulation.

  7. LOGIC • First Order Logic • Predicate Logic • Propositional Logic • Higher Order Logics • Situational Logic • Fuzzy Logic • Temporal Logic • Modal Logic • Epistemic Logic

  8. Knowledge Representation Techniques • Tables • Rules • Semantic Networks • Frames • Conceptual Dependency • Scripts

  9. SEARCHING • Depth First Search • Breadth First Search • Best First Search • Hill Climbing • A* • AO* • Minimax

  10. CONCLUSION • Decision Making • Complete and Incomplete Information • Intelligent Behavior • Knowledge Representation • Logics • Searching Techniques

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