Gary Marcus on Twitter: "any why characterize MCTS as a band-aid, diminishes its value? it's a great tool that gets used over and over; why the prejudice against anything not neural net? it's like someone owning a hammaer dissing a screwdriver as a "band-aid".… https://t.co/M6zK2LrSLR"

@GaryMarcus

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

Joined December 2010

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Dagmar Monett‏ @dmonett Oct 15

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Replying to @IntuitMachine @GaryMarcus @OpenAI

NN for solving the Rubik's Cube would be like killing a mosquito with an artillery bomb: not necessary at all.

3 replies 0 retweets 9 likes

Carlos E. Perez ‏ @IntuitMachine Oct 16

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Replying to @dmonett @GaryMarcus @OpenAI

Although not related to the OpenAI paper. Solving Rubik's Cube via Deep Learning shows that you can teach a system to learn how to solve the problem. That's a very different problem that programming the God algorithm.

1 reply 0 retweets 2 likes

Mark Burgess‏ @markburgess_osl Oct 16

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Replying to @IntuitMachine @dmonett and

Isn't that a trivial observation about sequences? More interesting is whether i) it is cost efficient, ii) the solution is generalisable, iii) whether we learn anything from the solution. You can dig a hole with sieve but is it the best tool?

1 reply 0 retweets 1 like

Carlos E. Perez ‏ @IntuitMachine Oct 16

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Replying to @markburgess_osl @dmonett and

Training a system to implement an algorithm on its own is a different problem than formulating a solution by hand. Now if a DL can discover the God solution, then that's a massive breakthrough.

3 replies 0 retweets 0 likes

Dagmar Monett‏ @dmonett Oct 16

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Replying to @IntuitMachine @markburgess_osl and

Go a step back: when you already know the solution and the exact steps to get there (plus how to do it in a much simpler and straightforward way), you don't need #DeepLearning to figure it out.

1 reply 0 retweets 2 likes

Carlos E. Perez ‏ @IntuitMachine Oct 16

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Replying to @dmonett @markburgess_osl and

You don't know how a cube is scrambled. That's not a given.

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Carlos E. Perez ‏ @IntuitMachine Oct 16

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Replying to @IntuitMachine @dmonett and

An automated algorithm to solve the Rubik's cube took humanity 7 years to discover: https://en.wikipedia.org/wiki/Optimal_solutions_for_Rubik%27s_Cube …

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Shital Shah‏ @sytelus Oct 16

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Replying to @IntuitMachine @dmonett and

Solving Rubik cube through RL is already done before and so I believe @openai goal wasn’t that. The focus was real-world manipulation task and sim2real.https://www.nature.com/articles/s42256-019-0070-z …

2 replies 1 retweet 6 likes

Gary Marcus‏ @GaryMarcus Oct 16

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Replying to @sytelus @IntuitMachine and

ps deep rl + search ≠ deep rl. that paper to is a hybrid.

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Shital Shah‏ @sytelus Oct 16

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Replying to @GaryMarcus @IntuitMachine and

Hopefully MCTS band-aid will go away some day. However I felt blog+paper were very clear on using Kociemba’s algorithm. Also pleasant trend of describing open issues, i.e., (1) 80% attempts fail on hard config (2) custom cube communicates state (3) 13K years cummulative training.

2 replies 0 retweets 1 like

Gary Marcus‏ @GaryMarcus Oct 16

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Replying to @sytelus @IntuitMachine and

any why characterize MCTS as a band-aid, diminishes its value? it's a great tool that gets used over and over; why the prejudice against anything not neural net? it's like someone owning a hammaer dissing a screwdriver as a "band-aid".

6:50 AM - 16 Oct 2019

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1. Carlos E. Perez ‏ @IntuitMachine Oct 16
  
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  Replying to @GaryMarcus @sytelus and
  
  The prejudice against anything NOT neural network is because the ultimate goal is that anything can be learned.
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