The objective of Artificial Intelligence is that how the system can perceive, understand, predict and manipulate a world far larger and more complicated. The field of Artificial Intelligence is to build intelligent entities.
Artificial Intelligence is the study of how to make computers do things at which, at the moment, people are better.
SOME DEFINITIONS OF AI
· Building systems that think like humans
“The exciting new effort to make computers think … machines with minds, in the full and literal sense” -- Haugeland, 1985
“The automation of activities that we associate with human thinking, … such as decision-making, problem solving, learning, …” -- Bellman, 1978
· Building systems that act like humans
“The art of creating machines that perform functions that require intelligence when performed by people” -- Kurzweil, 1990
“The study of how to make computers do things at which, at the moment, people are better” -- Rich and Knight, 1991
· Building systems that think rationally
“The study of mental faculties through the use of computational models” -- Charniak and McDermott, 1985
“The study of the computations that make it possible to perceive, reason, and act” -- Winston, 1992
· Building systems that act rationally
“A field of study that seeks to explain and emulate intelligent behavior in terms of computational processes” -- Schalkoff, 1990
“The branch of computer science that is concerned with the automation of intelligent behavior” -- Luger and Stubblefield, 1993
Agent = perceive + act
Agent: entity in a program or environment capable of generating action.
An agent uses perceptionof the environment to make decisions about actions to take. The perception capability is usually called a sensor. The actions can depend on the most recent perception or on the entire history (percept sequence).
An agent is anything that can be viewed as perceiving its environment through sensors and acting upon the environment through actuators.
Ex: Robotic agent Human agent
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