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ARTIFICIAL INTELLIGENCE Contents • • • • • • • Introduction Branches of AI Control Theory Cybernetics Artificial Neural Networks Application Advantage And Disadvantage Introduction • Evidence of Artificial Intelligence folklore can be traced back to ancient Egypt , but with the development of electronic computers in 1941 • AI was first coined in 1956, by John McCarthy of MIT • From its birth 4 decades ago, there have been variety of AI programs, impacted other technical advancements Defination of AI Systems that think like humans Systems that think rationally “[ The automation of ] activities that we associate with human thinking, activities such as decision- making , problem solving, learning..” (Bellman,1978) “ The study of the computations that make it possible to perceive, reason, and act.” (Winston,1992) Systems that act like humans Systems that acts rationally “ The study of how to make computers do things at which , at the moment, people are “ AI ….is concerned with intelligent behaviour in artifacts “ (Nilson,1998) Branches Of AI • • • • • • Logical AI Search Pattern Recognition Representation Planning Epistemology • Ontology • Heuristics • Learning From Experience • Common Sense Knowledge and Reasoning Control Theory And Cybernetics • The mathematical study of how to manipulate the parameters affecting the behavior of a system to produce the desired or optimal outcome • Plays a major role in nearly every modern precision device • Cybernetics is about having a goal and taking action to achieve that goal Artificial Neural Networks • It is a mathematical or computational model that tries to stimulate the structure and/or functional aspects of biological neural networks • it involves a network of simple processing elements (neurons), which can exhibit complex global behavior, determined by the connections between the processing elements and element parameters Artificial Neural Networks (Application) Assistive Technology 9 Application (Application) Robot performs a surgery oDate : 10th March 2008. oPlace : Duke University. o Task : Remove tumor in the throat” oTime Required : 1 hr 10 mins. oSubject : Healthy and fully cured. Application Other Applications • • • • • • • • Hospitals Aviation Security and Privacy Intelligent Tutoring Military Telecommunication Music Speech and Text Recognition Advantages And Disadvantages • Replaces human job • Self-modifying , self writing, and learning software relieves programmers of the burdensome task of specifying the whole program functionally • Self-modifying with self replicating can lead to dangerous, unexpected results , such as new and frequently computer virus