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Artificial Intelligence 1. Introduction Dr. M. Tounsi CS 370 – Artificial Intelligence Dr. Mohamed Tounsi PSU Definition (4 categories) Systems Systems Systems Systems that that that that CS 370 – Artificial Intelligence 1 think like humans act like human think rationally (right thing) act rationally (right thing) Dr. Mohamed Tounsi PSU Human ÍÎ Rationality Human approach Hypothesis Experimental confirmation ¾ ¾ Rationalist approach ¾ ¾ Mathematics Engineering CS 370 – Artificial Intelligence Dr. Mohamed Tounsi PSU Definitions Thinking Humanly ¾ Cognitive modeling approach: which brings together computer models from AI and experimental techniques from psychology Acting Humanly: The Turing test (1950) by Alan Turing ¾ ¾ ¾ ¾ Imitation Game Operational test for intelligent behavior Computer should be interrogated by a human Computer should possess: Natural language processing (to communicate) – knowledge representation (to store information) – automated reasoning (to answer questions and draw new conclusion) – machine learning (to adapt new circumstances and to detect and extrapolate patterns) CS 370 – Artificial Intelligence 2 Dr. Mohamed Tounsi PSU Definitions Thinking rationally Logic ( A is X and all X are Y then A is Y) Problems: - not all informal knowledge state it into formal terms ¾ Acting rationally (intelligent agents) ¾ ¾ ¾ ¾ Doing the right thing Maximize the goal achievement, given information Doesn’t necessary involve thinking It involve solving CS 370 – Artificial Intelligence Dr. Mohamed Tounsi PSU Foundations of AI Philosophy Mathematics z z z z Probabilistic Logical Algorithms NP-Complete Problems Computer Engineering z z Processor Speed large memory CS 370 – Artificial Intelligence 3 (makes AI applicable) Dr. Mohamed Tounsi PSU