Lesson 01 - Module 1 Introduction Version 1 CSE IIT,...

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Module 1 Introduction Version 1 CSE IIT, Kharagpur
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1.1 Instructional Objectives Understand the definition of artificial intelligence Understand the different faculties involved with intelligent behavior Examine the different ways of approaching AI Look at some example systems that use AI Trace briefly the history of AI Have a fair idea of the types of problems that can be currently solved by computers and those that are as yet beyond its ability . We will introduce the following entities: An agent An intelligent agent A rational agent We will explain the notions of rationality and bounded rationality. We will discuss different types of environment in which the agent might operate. We will also talk about different agent architectures. On completion of this lesson the student will be able to Understand what an agent is and how an agent interacts with the environment. Given a problem situation, the student should be able to o identify the percepts available to the agent and o the actions that the agent can execute. Understand the performance measures used to evaluate an agent The student will become familiar with different agent architectures Stimulus response agents State based agents Deliberative / goal-directed agents Utility based agents The student should be able to analyze a problem situation and be able to identify the characteristics of the environment Recommend the architecture of the desired agent Version 1 CSE IIT, Kharagpur
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Lesson 1 Introduction to AI Version 1 CSE IIT, Kharagpur
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1.1.1 Definition of AI What is AI ? Artificial Intelligence is concerned with the design of intelligence in an artificial device. The term was coined by McCarthy in 1956. There are two ideas in the definition. 1. Intelligence 2. artificial device What is intelligence? Is it that which characterize humans? Or is there an absolute standard of judgement? Accordingly there are two possibilities: A system with intelligence is expected to behave as intelligently as a human A system with intelligence is expected to behave in the best possible manner Secondly what type of behavior are we talking about? Are we looking at the thought process or reasoning ability of the system? Or are we only interested in the final manifestations of the system in terms of its actions? Given this scenario different interpretations have been used by different researchers as defining the scope and view of Artificial Intelligence. 1. One view is that artificial intelligence is about designing systems that are as intelligent as humans. This view involves trying to understand human thought and an effort to build machines that emulate the human thought process. This view is the cognitive science approach to AI. 2.
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This note was uploaded on 09/20/2010 for the course MCA 501 taught by Professor Hemant during the Fall '10 term at Institute of Computer Technology College.

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Lesson 01 - Module 1 Introduction Version 1 CSE IIT,...

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