JohnMcCarthy - The Impact of John McCarthy on the Field of...

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Click to edit Master subtitle style 8/1/11 The Impact of John McCarthy on the Field of Artificial Intelligence Peter Tonner
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8/1/11 Outline Introduction Context and Other Important Researchers Programs with Common Sense Recursive Functions Lisp Philosophical Problems from the Standpoint
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8/1/11 John McCarthy 1955 Develop the phrase “Artificial Intelligence” 1960 First LISP implementation 1971 Turing Award Recipient 2001 Professor Emeritus of Computer
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8/1/11 Turing Award History Prize value Original Prize: $25,000 Intel Sponsorship (2002): $100,000 Google Sponsorship (2007): $250,000
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8/1/11 Context of AI Research circa 1970 Turing Test - Alan Turing General Problem Solver - Allen Newell and Herbert Simon
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8/1/11 Computing Machinery and Intelligence Turing Test Define Intelligence as: Actions that are indistinguishable from known intelligent beings, i.e. humans Side steps philosophical arguments Turing predicts intelligent computing in 50 years (1950)
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8/1/11 A Guide to the General Problem Solver - Newell and Simon General mechanisms utilized in problem solving Built off the Logic Theory Machine Designed to cover theorem proving geometric problems chess playing Suffered from combinatorial
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8/1/11 McCarthy’s Perspective I think the best hope for human-level AI is logical AI, based on the formalizing of commonsense knowledge and reasoning in mathematical logic. ” – John McCarthy Problems in AI Knowledge Representation Problem Solving Solutions from Philosophy
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8/1/11 Programs with Common Sense (1959) A program has common sense if it automatically deduces for itself a sufficiently wide class of immediate consequences of anything it is told and what it already knows ” – John McCarthy Outlines the Advice Taker
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8/1/11 What is an Intelligent System ? Core Features of Intelligent Systems: All behaviors represented by the system, can create arbitrary automata or program in a language Interesting changes in behavior must be expressible in a simple way Nearly all aspects of behavior must be improvable, even the improving mechanism itself
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8/1/11 Giving Instructions Computer Imperative sentences Human or the Advice Taker Declarative and Imperative Sentences Imperative sentences “Punch the keys for god’s sake!” Declarative sentences
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