ai history presentation

History of AI

Aug 10, 2014

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History of AI. Image source. Origins of AI. 1940s First model of a neuron (McCulloch & Pitts) Hebb ian learning rule Cybernetics 1950s Turing Test Perceptrons (Rosenblatt) “ Look, Ma, no hands!” period : Computer chess and checkers (Shannon, Samuel)

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• dichotomies
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History of AI Image source

Origins of AI • 1940sFirst model of a neuron (McCulloch & Pitts) • Hebbianlearning rule • Cybernetics • 1950sTuring Test • Perceptrons(Rosenblatt) • “Look, Ma, no hands!” period: • Computer chess and checkers (Shannon, Samuel) • Machine translation (Georgetown-IBM experiment) • Theorem provers (Newell and Simon, Gelernter and Rochester) • 1956Dartmouth meeting: “Artificial Intelligence” adopted

Herbert Simon, 1957 • “It is not my aim to surprise or shock you –but … there are now in the world machines that think, that learn and that create. Moreover, their ability to do these things is going to increase rapidly until –in a visible future – the range of problems they can handle will be coextensive with the range to which human mind has been applied. More precisely: within 10 years a computer would be chess champion, and an important new mathematical theorem would be proved by a computer.” • Simon’s prediction came true –but forty years later instead of ten

Harder than originally thought • 1966: Elizachatbot (Weizenbaum) • “ … mother …” → “Tell me more about your family” • “I wanted to adopt a puppy, but it’s too young to be separated from its mother.” • 1954: Georgetown-IBM experiment • Completely automatic translation of more than sixty Russian sentences into English • Only six grammar rules, 250 vocabulary words, restricted to organic chemistry • Promised that machine translation would be solved in three to five years (press release) • Automatic Language Processing Advisory Committee (ALPAC) report (1966): machine translation has failed • “The spirit is willing but the flesh is weak.” →“The vodka is strong but the meat is rotten.”

Blocks world (1960s – 1970s) ??? Larry Roberts, MIT, 1963

“Moravec’s Paradox” • Hans Moravec (1988): “It is comparatively easy to make computers exhibit adult level performance on intelligence tests or playing checkers, and difficult or impossible to give them the skills of a one-year-old when it comes to perception and mobility.” • Why is this? • Early AI researchers concentrated on the tasks that they themselves found the most challenging, abilities of animals and two-year-olds were overlooked • We are least conscious of what our brain does best • Sensorimotor skills took millions of years to evolve • Our brains were not designed for abstract thinking

History of AI, cont. • 1940s First model of a neuron (McCulloch & Pitts) • Hebbianlearning rule • Cybernetics • 1950s Turing Test • Perceptrons(Rosenblatt) • “Look, Ma, no hands!” period: • Computer chess and checkers (Shannon, Samuel) • Machine translation (Georgetown-IBM experiment) • Theorem provers (Newell and Simon, Gelernter and Rochester) • Late 1960s Machine translation deemed a failure • Neural networks deprecated (Minsky and Papert, 1969) • Early 1970s Intractability is recognized as a fundamental problem • Late 1970sThe first “AI Winter”

History of AI, cont. • 1980s Expert systems boom • Late 1980s- Expert system bust; the second “AI winter” • Early 1990s • Mid-1980sNeural networks return to popularity • Late 1980sProbabilistic reasoning on the ascent • 1990s-PresentMachine learning everywhere • Big Data History of AI on Wikipedia AAAI Timeline Building Smarter Machines: NY Times Timeline

What accounts for recent successes in AI? • Faster computers • The IBM 704 vacuum tube machine that played chess in 1958 could do about 50,000 calculations per second • Deep Blue could do 50 billion calculations per second– a million times faster! • Lots of storage, lots of data • Dominance of statistical approaches, machine learning

Some patterns from history • Boom and bust cycles • Periods of (unjustified) optimism followed by periods of disillusionment and reduced funding • Dichotomies (Newell, 1983): • Continuous vs. symbolic • Problem solving vs. recognition • High-level vs. low-level modeling of mental processes • Performance vs. learning • Serial vs. parallel • … • “Neats” vs. “scruffies” (textbook) • Today: triumph of the “neats” or triumph of the “scruffies”?

AI gets no respect? • AI effect: As soon as a machine gets good at performing some task, the task is no longer considered to require much intelligence • Calculatingability • Chess • Learning: “The Analytical Engine has no pretensions to originate anything. It can do whatever we know how to order it to perform”(Ada Lovelace, 1842) • Similar picture with animal intelligence • Tools, mirror test, …

Take-away message for this class • Our goal is to use machines to solve hard problems that traditionally would have been thought to require human intelligence • We will try to follow a sound scientific/engineering methodology • Consider relatively limited application domains • Use well-defined input/output specifications • Define operational criteria amenable to objective validation • Use abstraction to zero in on essential problem features • Focus on general-purpose tools with well understood properties

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History of Artificial Intelligence(AI)

Published by Jean-François Jolicoeur Modified over 6 years ago

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History of Artificial Intelligence - PowerPoint PPT Presentation

History of Artificial Intelligence

Revolutionized every aspect of the storage and processing of information. ... late 80's - downfall of ai industry. ai being incorporated in war (early 1990's) ... – powerpoint ppt presentation.

• Daria Podbiol
• 1941 First Electronic computer
• revolutionized every aspect of the storage and processing of information.
• 1949 First comercial stored program
• invention of an electronic means of processing data
• John McCarthy regarded as the father of AI the Dartmouth conference in 1956 first use of term Artificial Intelligence
• Norbert Wiener - feedback theory
• example of that theory is the thermostat
• Newell and Simon - The Logic Theorist, (considered to be the first AI program)
• In 1958 McCarthy announced new development - the LISP language (LISt Processing)
• SHRDLU - part of the microworlds project
• the late 1960's 2 programs
• STUDENT - algebra problems
• SIR - understand simple English sentences
• expert systems - Edward Feigenbaum
• language analysis - Roger Schank
• knowledge representation for mental constructs - Marvin Minsky
• automatic learning and the nature of heuristics -Douglas Lenat
• computer vision - David Marr
• PROLOG language - convenient higher language for AI researhes.
• XCON - the first expert system in industrial world
• AI boom - the number of AI groups increased
• Milions spent on developing the AI
• These seemingly intelligent programs simply make dumb decisions faster Mavin Minsky
• late 80's - downfall of AI industry
• Operation Desert Storm
• Two projects successing the Automated Land Vehicle project
• Pilot's Associate project (electronic copilot)
• Battle Management System project (military expert systems).
• In 1996 - the victory of Deep Blue over chess champion Kasparov
• Genetic Engineering
• Bioinformatics
• Cars(ABS and cruise control)
• Air Conditioners
• Video Games
• Movies (Lord of the rings)
• Digital cameras
• On the stock exchange
• Googles search engine
• http//www.generation5.org/content/1999/aihistory. asp
• http//abstractdimension.com/index.php/category/te chnology/
• http//library.thinkquest.org/2705/history.html

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