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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. Gary Marcus‏ @GaryMarcus 17 Aug 2018
      • Report Tweet

      takedown of OpenAI’s apparent success at ‘Dota 2’https://apple.news/A45CaowNkR7GQ8x92qTIbdg …

      4 replies 21 retweets 62 likes
    2. Smerity‏ @Smerity 18 Aug 2018
      • Report Tweet
      Replying to @GaryMarcus

      Kinda irked by this post mate. The article doesn't warrant your addition of "takedown" / "apparent success" _and_ doesn't convince me. Nothing here was underhanded - these trade-offs have all been explicitly known and discussed - and even then the article only notes two of these.

      1 reply 0 retweets 52 likes
    3. Smerity‏ @Smerity 18 Aug 2018
      • Report Tweet
      Replying to @Smerity @GaryMarcus

      The first, that it should use vision rather than an API, is essentially irrelevant imo. What the API provides could be produced by a vision model, the primary reason to avoid it is that it'd be a waste of training time _plus_ rendering the DotA client would be insane overhead.

      10 replies 1 retweet 25 likes
    4. Smerity‏ @Smerity 18 Aug 2018
      • Report Tweet
      Replying to @Smerity @GaryMarcus

      The second, hero limits, was always noted and known and has increased from a locked mirror match of 5v5 to 18 choose 5 in only a matter of weeks. Yes, it is simpler than the full set, but I seriously don't see that as a major bottleneck that I'd expect to see progress stall at.

      1 reply 0 retweets 6 likes
    5. Smerity‏ @Smerity 18 Aug 2018
      • Report Tweet
      Replying to @Smerity @GaryMarcus

      Hence, I don't know where you got "takedown" or "apparent success" from ... ¯\_(ツ)_/¯

      2 replies 0 retweets 6 likes
      Gary Marcus‏ @GaryMarcus 19 Aug 2018
      • Report Tweet
      Replying to @Smerity

      Takedown = article was critical; apparent success = I thought (not having followed closely) that OpenAI did for DOTA roughly what DQN did for Atari; IMHO starting from fully annotated game state that specifies what the entities are (innately!) & where is not in same ballpark.

      10:37 AM - 19 Aug 2018
      • 2 Likes
      • Tequehead Zeeshan Zia
      1 reply 0 retweets 2 likes
        1. New conversation
        1. Brad Wyble‏ @bradpwyble 19 Aug 2018
          • Report Tweet
          Replying to @GaryMarcus @Smerity

          I think this is not exactly right. I.e. the ai only has access to visible game state, not enemies outside of view. Is this right Smerity? That said, I agree that having immesiate access to all of this info is a huge leg up on humans that perceive via fixations.

          1 reply 0 retweets 0 likes
        2. Brad Wyble‏ @bradpwyble 19 Aug 2018
          • Report Tweet
          Replying to @bradpwyble @GaryMarcus @Smerity

          Games like DotA are hard for humans latgely because of temporal demands on perception/memory, which is unlike chess & go for which the state of the game changes very slowly and can be completely apprehended by a human.

          1 reply 0 retweets 1 like
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