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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. Anirudh Goyal‏ @anirudhg9119 12h12 hours ago
      • Report Tweet

      Anirudh Goyal Retweeted Gary Marcus

      Well, many researchers understand this and are actively trying to build systems which has these inductive biases.https://twitter.com/GaryMarcus/status/1200646264150323200 …

      Anirudh Goyal added,

      Gary Marcus @GaryMarcus
      Replying to @GaryMarcus @kchonyc
      i have also made a strong specific claim about innateness, suggesting we should be focusing our efforts on finding mechanisms that can represent all of the following independently of experience: pic.twitter.com/x3N32jqcv6
      1 reply 1 retweet 10 likes
    2. Gary Marcus‏ @GaryMarcus 12h12 hours ago
      • Report Tweet
      Replying to @anirudhg9119

      i actually don’t know any systems working in some of them (eg affordances of objects) and would love references. meanwhile i do think there is overall bias in ML against building in innate priors, with a frequent goal of mastering things “without human knowledge”

      3 replies 0 retweets 2 likes
    3. Nasim‏ @nasim_rahaman 9h9 hours ago
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      Replying to @GaryMarcus @anirudhg9119

      Re: “mastering things without human knowledge” — progress in ML has always been about using human knowledge. These manifest as inductive biases — ConvNets, for instance, are built on the human intuition that objects of interest tend to be spatially clustered.

      2 replies 0 retweets 3 likes
    4. Gary Marcus‏ @GaryMarcus 3h3 hours ago
      • Report Tweet
      Replying to @nasim_rahaman @anirudhg9119

      yes - but people sometimes title their papers otherwise. see my arxiv critique of AlphaZero https://arxiv.org/abs/1801.05667 

      1 reply 0 retweets 2 likes
    5. Nasim‏ @nasim_rahaman 2h2 hours ago
      • Report Tweet
      Replying to @GaryMarcus @anirudhg9119

      Honestly, I'd be very surprised if any of the ten + 1 primitives you mention make controversial inductive biases (state of literature, 2019). Now are these primitives learnable from data? Perhaps some, but possibly at the cost of abysmal sample-complexity and insane compute.

      1 reply 0 retweets 0 likes
      Gary Marcus‏ @GaryMarcus 2h2 hours ago
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      Replying to @nasim_rahaman @anirudhg9119

      i have never seen any of them learned robustly. ironically the great contribution of @ylecun (arch-anti-nativist) was to figure out how to innately represent translation invariance in a neural network. way too inefficient (as you say) to learn it from a fully-connected system

      7:57 AM - 30 Nov 2019
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Nasim‏ @nasim_rahaman 54m54 minutes ago
          • Report Tweet
          Replying to @GaryMarcus @anirudhg9119 @ylecun

          "way too inefficient (as you say) to learn it from a fully-connected system" It's like training a fully-connected network on ImageNet, hoping that convolutional weight-sharing will somehow emerge in a reasonable amount of time; I'd be (pleasantly) surprised if @ylecun disagrees.

          1 reply 0 retweets 1 like
        3. Nasim‏ @nasim_rahaman 37m37 minutes ago
          • Report Tweet
          Replying to @nasim_rahaman @GaryMarcus and

          Nevertheless, we have somehow evolved from single-celled organisms (without much capacity to represent objects), and we're here after billions of years of "compute". The question now is whether we need that kind of compute to have machines as intelligent as us.

          1 reply 0 retweets 0 likes
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