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Plinz's profile
Joscha Bach
Joscha Bach
Joscha Bach
@Plinz

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Joscha Bach

@Plinz

FOLLOWS YOU. Artificial Intelligence, Cognitive Architectures, Computation. The goal is integrity, not conformity.

San Francisco, CA
bach.ai
Joined April 2009

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    1. Liberté, égalité, anxiété‏ @MagpieMcGraw 12 Dec 2017
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      Replying to @MagpieMcGraw @Plinz

      Maybe this sounds really obvious, but when you start to track the flows of information, you can start to figure out the things you know, and things you don't. I find this really profound.

      1 reply 0 retweets 1 like
    2. Liberté, égalité, anxiété‏ @MagpieMcGraw 12 Dec 2017
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      Replying to @MagpieMcGraw @Plinz

      Information doesn't have a meaning of it's own. Information is some kind of differences interpreted to have meaning. The instructions of how to interpret information are themselves information!

      2 replies 0 retweets 0 likes
    3. Liberté, égalité, anxiété‏ @MagpieMcGraw 12 Dec 2017
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      Replying to @MagpieMcGraw @Plinz

      There's a concept called projection in psychology(I think)? And when people bring it up it's usually in a negative context. But it's actually the only thing we can do when we communicate!

      1 reply 0 retweets 1 like
    4. Joscha Bach‏ @Plinz 12 Dec 2017
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      Replying to @MagpieMcGraw

      My experience of the other is a predictive model. Problems arise when the confidence in the model does not reflect the probability of having found the ground truth

      1 reply 0 retweets 0 likes
    5. Liberté, égalité, anxiété‏ @MagpieMcGraw 12 Dec 2017
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      Replying to @Plinz

      And you can sort of correct the confidence of the model by counting how many flows of information you have absorbed. If you absorbed little, your accuracy is super low, if you absorbed a lot, it could be good.

      2 replies 0 retweets 0 likes
    6. Joscha Bach‏ @Plinz 12 Dec 2017
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      Replying to @MagpieMcGraw

      Yes, but modeling is not just about collecting enough training data, but about discovering the underlying structure.

      1 reply 0 retweets 0 likes
    7. Liberté, égalité, anxiété‏ @MagpieMcGraw 12 Dec 2017
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      Replying to @Plinz

      Ahhh. I hadn't thought of it that way just yet. Thinking about flows of information certainly feels like I'm thinking about an underlying structure. But I'm not sure that everything has an underlying structure. Oh I just remembered another statement for my theory!

      2 replies 0 retweets 0 likes
    8. Liberté, égalité, anxiété‏ @MagpieMcGraw 12 Dec 2017
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      Replying to @MagpieMcGraw @Plinz

      This one I'm less confident in, but it's this: There is a minimum amount of information needed to complete any task. I get this from programming. A function cannot complete unless you pass it all the arguments.

      1 reply 0 retweets 0 likes
    9. Joscha Bach‏ @Plinz 12 Dec 2017
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      Replying to @MagpieMcGraw

      That is an artifact of the programming language interface. A functional transition always occurs based on the transition function the system implements for its current state.

      1 reply 0 retweets 0 likes
    10. Liberté, égalité, anxiété‏ @MagpieMcGraw 12 Dec 2017
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      Replying to @Plinz

      These terms are getting a little too big for me now. Transition functions and graphs... I think this is where I have to take a break. But it was a fascinating discussion!

      1 reply 0 retweets 0 likes
      Joscha Bach‏ @Plinz 12 Dec 2017
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      Replying to @MagpieMcGraw

      No, "flow" is to big, you only have an intuition. You need to decompose until every element of your model has a meaning that you can fully implement.

      3:03 PM - 12 Dec 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Liberté, égalité, anxiété‏ @MagpieMcGraw 12 Dec 2017
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          Replying to @Plinz

          I think about how information takes intermediate forms and how it undergoes changes when it's going from one place to another. But it's 1 am now I really need to get to sleep. I'll see your further replies in 9 hours.

          1 reply 0 retweets 0 likes
        3. Joscha Bach‏ @Plinz 12 Dec 2017
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          Replying to @MagpieMcGraw

          A graph is a data structure that consists of a set of nodes and a set of links between them. A transition function is a mapping from all possible states of a system to their sucessor state.

          1 reply 1 retweet 0 likes
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