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CPS 270: Artificial Intelligence http://www.cs.duke.edu/courses/fall08/cps270/ Wrapping up

Instructor: Vincent Conitzer. CPS 270: Artificial Intelligence http://www.cs.duke.edu/courses/fall08/cps270/ Wrapping up. What are the boundaries of AI?. engineering. probability & statistics. algorithms & complexity. AI. economics. logic. psychology & neuroscience. philosophy.

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CPS 270: Artificial Intelligence http://www.cs.duke.edu/courses/fall08/cps270/ Wrapping up

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  1. Instructor: Vincent Conitzer CPS 270: Artificial Intelligencehttp://www.cs.duke.edu/courses/fall08/cps270/Wrapping up

  2. What are the boundaries of AI? engineering probability & statistics algorithms & complexity AI economics logic psychology & neuroscience philosophy linguistics … • AI benefits from lots of other disciplines • Perhaps especially in recent history (stats, econ, cs theory) • Results in better work than reinventing the wheel • In turn, AI has made contributions to all of those disciplines

  3. Why have AI at all? • Can’t AI just be split up and redistributed among the other disciplines? • A suggestion that has been made in the past… • AI provides a useful, important goal/perspective • AI applications often need multiple of these fields at the same time • Sometimes fields get too caught up in a particular way of evaluating what makes for “high-quality work” • Prevents interdisciplinarity

  4. What makes something “AI”? • Very few AI researchers actually work directly on (say) passing the Turing Test • Most work focuses on specific applications • Are the following AI? (Are they computer science?) • Fast algorithms for satisfiability • Ranking webpages • Disease outbreak detection based on pharmacy sales • Placing airport security assets in a game-theoretically optimal (randomized) way • Constructing 3D models from 2D images • …

  5. One opinion • Boundaries of scientific and mathematical fields are blurry • We need to divide things into disciplines for… • Teaching courses, • Having conferences, • Allocating funding, … • Cognitive convenience • The best division is the one that results in the best research and education for society • A good scenario: • Thanks to its unusual perspective, AI connects ideas from different disciplines, contributes new ones, and points in a new, worthwhile direction • A bad scenario: • AI researchers are not aware of other disciplines and are just pointlessly reinventing wheels

  6. A return to the bigger goals of AI? • Some AI researchers (perhaps especially, senior researchers) think AI has become too fractured, too special-purpose • A politically correct pitch: • This was a necessary stage for AI research… • … we needed to learn about and understand all these special-purpose methodologies… • … but now it is time to tie it all together again and build something with human-like intelligence • Human brain also seems to have lots of special-purpose modules, but very nicely integrated…

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