What is the different between artificial intelligence and distributed systems and information systems as applied in computer science?

the intelligent is behavior , when we call this man Intellegint, we mean by that (he have the ability to Think,understand, learn and make decision) so if accombine this word with system to become (Intelligent System(IS))we mean by that , the system able to (Think,understand, learn and make decision) in other word : IS = Algorithm applying at the Computer scince programs (conventioal program). now if we applying the IS to the machine it will become machine behave in intelligent way so : Artificial Intelligent = IS applaying to the Machine Note (Plz , any another declration or correction for my information respond me at abed1182@yahoo.com) regard abdallah
Expert systems The expert system is a major application of AI today. Also known as knowledge-based systems, expert systems act as intelligent assistants to human experts or serve as a resource to people who may not have access to an expert. The major difference between an expert system and a simple database containing information on a particular subject is that the database can only give the user discrete facts about the subject, whereas an expert system uses reasoning to draw conclusions from stored information. The purpose of this AI application is not to replace our human experts, but to make their knowledge and experience more widely available. An expert system has three parts: knowledge base, inference engine, and user interface. The knowledge base contains both declarative (factual) and procedural (rules-of-usage) knowledge in a very narrow field. The inference engine runs the system by determining which procedural knowledge to access in order to obtain the appropriate declarative knowledge, then draws conclusions and decides when an applicable solution is found. Examples of medical expert systems are: MYCIN, EMYCIN, MEDICA, HEADMED, PUFF, INTERNIST, CASNET, EMERGE, MEDUSA, etc.,

ARTIFICIAL INTELLIGENCE Artificial Intelligence is the area of computer science focusing on creating machines that can engage on behaviors that humans consider intelligent. The ability to create intelligent machines , the dream of smart machines is becoming a reality. Researchers are creating systems which can mimic human thought, understand speech, beat the best human chessplayer, and countless other feats never before possible. Find out how the military is applying AI logic to its hi-tech systems, and how in the near future Artificial Intelligence may impact our lives.


APPLICATIONS of AI

game playing eg. chess, speech recognition, understanding natural language, computer vision, expert systems(branch of AI)

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