1. BEG471CO Introduction to Artificial Intelligence Er.Roshan Koju Department of Computer Engineering Khwopa Engineering College
2. First, a little bureaucracy ... The course text book: Artificial Intelligence: A Modern Approach (2003), 2nd Edition, Stuart Russell and Peter Norvig.
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5. Why study AI? Search engines Labor Science Medicine/ Diagnosis Appliances What else?
8. Natural Language Question Answering http:// www.ai.mit.edu/projects/infolab / http://aimovie.warnerbros.com
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11. What is AI? The exciting new effort to make computers thinks … machine with minds, in the full and literal sense” (Haugeland 1985) “ The art of creating machines that perform functions that require intelligence when performed by people” (Kurzweil, 1990) “ The study of mental faculties through the use of computational models” (Charniak et al. 1985) A field of study that seeks to explain and emulate intelligent behavior in terms of computational processes” (Schalkol, 1990) Systems that think like humans Systems that think rationally Systems that act like humans Systems that act rationally
45. Examples of agents in different types of applications Agent type Percepts Actions Goals Environment Medical diagnosis system Symptoms, findings, patient's answers Questions, tests, treatments Healthy patients, minimize costs Patient, hospital Satellite image analysis system Pixels of varying intensity, color Print a categorization of scene Correct categorization Images from orbiting satellite Part-picking robot Pixels of varying intensity Pick up parts and sort into bins Place parts in correct bins Conveyor belts with parts Refinery controller Temperature, pressure readings Open, close valves; adjust temperature Maximize purity, yield, safety Refinery Interactive English tutor Typed words Print exercises, suggestions, corrections Maximize student's score on test Set of students
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52. Environment types Environment Accessible Deterministic Episodic Static Discrete Chess with a clock Yes Yes No Semi Yes Chess without a clock Yes Yes No Yes Yes Poker No No No Yes Yes Backgammon Yes No No Yes Yes Taxi driving No No No No No Medical diagnosis system No No No No No Image-analysis system Yes Yes Yes Semi No Part-picking robot No No Yes No No Refinery controller No No No No No Interactive English tutor No No No No Yes
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54. Look up table agent obstacle sensor Stop 2 Turn left 30 degrees 5 No action 10 Action Distance