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GaryMarcus's profile
Gary Marcus
Gary Marcus
Gary Marcus
@GaryMarcus

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Gary Marcus

@GaryMarcus

CEO/Founder of http://Robust.AI ; cognitive scientist, and best-selling author. New book: http://Rebooting.AI : Building Artificial Intelligence We Can Trust

garymarcus.com
Joined December 2010

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    1. Stanislas Dehaene‏ @StanDehaene Oct 27
      • Report Tweet

      Stanislas Dehaene Retweeted Gary Marcus

      In humans and many other animals, number sense is founded upon basic, innate, evolutionarily ancient brain mechanisms. This work shows that it does not come easily to machines — they too should be endowed with a dedicated number systemhttps://twitter.com/GaryMarcus/status/1188284151092277248 …

      Stanislas Dehaene added,

      Gary Marcus @GaryMarcus
      robust language understanding is about building discourse models across multiple sentences (see eg http://rebooting.ai  & recent thread by ⁦@mpshanahan) on simple word problems like these, GPT-2 did not succeed once in 30 min testing my 6-yr old son scored 100% pic.twitter.com/FLN31mdhcU
      3 replies 43 retweets 97 likes
    2. Yann LeCun‏ @ylecun Oct 28
      • Report Tweet
      Replying to @StanDehaene @GaryMarcus

      Actually, machines that are trained to deal with quantities do learn to deal with quantities. Gary merely says that machines trained to predict missing words don't learn much about quantities. Duh!

      1 reply 0 retweets 19 likes
      Gary Marcus‏ @GaryMarcus Oct 28
      • Report Tweet
      Replying to @ylecun @StanDehaene

      Which word problem systems do you have in mind, @ylecun ? Can they extrapolate to numbers that lie outside their training set? Do they have (innate) arithmetic in their primitives? Arithmetic learning in neural nets is often poor, eg 1+1+1+1+1+1+1=6 in https://arxiv.org/pdf/1904.01557.pdf …

      5:49 AM - 28 Oct 2019
      • 1 Retweet
      • 11 Likes
      • Chomba Bupe afroRoboticist Neal Matthews Matthew Teow OrangeCountry Ripon Kumar Saha miladaghajohari Binu Jasim Max Little
      1 reply 1 retweet 11 likes
        1. New conversation
        2. Ben Sprecher‏ @bensprecher Oct 28
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          Replying to @GaryMarcus @ylecun @StanDehaene

          This is an very strange use of the word "poor." The system was 76% and 50% correct, respectively, for interpolation and extrapolation, across a wide range of question types. The places where it made errors were interesting, and warrant research. But it's better at math than me.pic.twitter.com/X6onvPR61o

          2 replies 0 retweets 3 likes
        3. Gary Marcus‏ @GaryMarcus Oct 28
          • Report Tweet
          Replying to @bensprecher @ylecun @StanDehaene

          Nobody passes grade school math with 50%. How often do you think that the sum of a set of > 6 ones = 6? Network systematically floundered on that one.

          1 reply 0 retweets 5 likes
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