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Thursday, June 10, 2010

What is Artificial Intelligence (AI)

Artificial Intelligence is a combination of computer science, physiology and philosophy. Artificial Intelligence is a broad topic, consisting of different fields, from machine vision to expert systems. An Expert system is software which utilizes a knowledge base collected from human specialist in a certain area, and helps users refer to this expertise in marking their own decision.
An Artificial intelligence system has a knowledge base and programming technique to probe and process the facts in the knowledge base. The development of a knowledge base is very difficult and time consuming job. To develop a knowledge base the designers and researchers consult experts of a particular field. They collect facts that are based on the knowledge base for its Artificial intelligence. Also expert's knowledge and expert system also uses the decision rules of human specialists to reach certain conclusion and to give recommendation. The recommendation made by an expert system is based on the collection of information in the knowledge base. Hence, knowledge base must be updated regularly. An expert system selects one of many to perform such logical functions. It asks users to supply information on a problem. Computer then process the information and reaches conclusion making use of the knowledge base.
Several expert systems in various specialized fields have been developed and are in use. Important specialized fields are medicine, training, computer science, mathematics engineering, chemistry, biology, defense, oil industry, mining geology etc. A number of medical diagnostic expert systems have been developed to diagnose diseases and recommend treatment.
Artificial intelligence (AI), a term that in its broadest sense would indicate the ability of an artifact to perform the same kind of functions that characterize human thought. The possibility of developing some such artifact has intrigued human beings since ancient times. With the growth of modern science, the search for Artificial intelligence (AI) has taken two major directions; psychological and physiological research into the nature of human thought, and the technological development of increasingly sophisticated computing systems.

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