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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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    Gary Marcus‏ @GaryMarcus 23 Nov 2018
    • Report Tweet

    Gary Marcus Retweeted Yann LeCun

    @ylecun i absolutely do not dismiss gradient based learning (as part of larger system) & have said so publicly and to you privately. please read deep learning: a critical appraisal, particularly parts about deep learning as tool of larger system, and stop misrepresenting me. 1/2https://twitter.com/ylecun/status/1065837329221328896 …

    Gary Marcus added,

    Yann LeCun @ylecun
    Replying to @ylecun @GaryMarcus
    I do not dismiss symbols. I dismiss approaches to reasoning that are incompatible with gradient-based learning. Make symbol-based differentiable, and you win. But you seem to disapprove of gradient-based learning.
    12:18 PM - 23 Nov 2018
    • 2 Retweets
    • 9 Likes
    • Binu Jasim Nikhil Yadala Dr. Kim Urvish Patel Chomba Bupe msb.ai Domenico Bellomo Dagmar Monett Dr Bernd Porr
    4 replies 2 retweets 9 likes
      1. Gary Marcus‏ @GaryMarcus 23 Nov 2018
        • Report Tweet

        meanwhile, @ylecun your 2015 nature paper seemed in its last paragraph to dismiss symbolic knowledge, contra your tweet. is this a change in view? hooray if yes! 2/2

        0 replies 0 retweets 1 like
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      2. Yann LeCun‏ @ylecun 23 Nov 2018
        • Report Tweet
        Replying to @GaryMarcus

        As I, Geoff, Léon Bottou and others have said: "replace symbols by vectors and logic by algebra". This does not preclude reasoning, or even variable binding. But it may make reasoning differentiable. Read Leon's "from ML to Machine Reasoning". Call it symbolic or not, no matter.

        6 replies 8 retweets 42 likes
      3. Gary Marcus‏ @GaryMarcus 23 Nov 2018
        • Report Tweet
        Replying to @ylecun

        what does variable binding mean in this context? if you can find a space for variable binding in your world, I am interested.

        0 replies 0 retweets 2 likes
      4. End of conversation
      1. David G Williams‏ @dwilliams999 23 Nov 2018
        • Report Tweet
        Replying to @GaryMarcus @ylecun

        As @dileeplearning and Vicarious have shown, 0-shot gen & forward planning can be learned using the work of @yudapearl. It requires grounding indicators to graphical models. So next, create a multi-agent symbol grounder guided by objectives, or use brute force. @IntuitMachine

        0 replies 1 retweet 2 likes
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      1. Dan Greenberg‏ @titudeadjust 24 Nov 2018
        • Report Tweet
        Replying to @GaryMarcus @ylecun

        In 1987, I went from Tech to the 1st IJCNN. It was an unnerving world of backstabbing and grant-seeking. Changed my life: I left AI and NN work for 25 yrs bc of it. Sad to see it again on this thread. #aiwinter is coming. Cc @Grady_Booch @filippie509pic.twitter.com/IQ7TX50cop

        0 replies 0 retweets 2 likes
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