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andy_matuschak's profile
Andy Matuschak
Andy Matuschak
Andy Matuschak
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@andy_matuschak

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Andy MatuschakVerified account

@andy_matuschak

Wonder, blunder, salve, solve! Working on tools that expand what people can think and do. Past: led R&D @KhanAcademy; helped build iOS @Apple.

San Francisco, CA
andymatuschak.org
Joined November 2007

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    1. Andy Matuschak‏Verified account @andy_matuschak 26 Nov 2019
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      This morning I implemented PageRank to sort backlinks in my prototype note system. Mixed results! +: Easier to navigate to implicit "neighbor" notes connected via "hub" notes +: Surprises me notice how "central" some notes are -: "Weird" backlinks often end up at the bottom

      8 replies 2 retweets 100 likes
    2. David Holz‏ @DavidSHolz 26 Nov 2019
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      Replying to @andy_matuschak

      Is the goal of NoteRank specifically to see which Notes rank the highest? What would be your fantasy result here?

      1 reply 0 retweets 2 likes
    3. Andy Matuschak‏Verified account @andy_matuschak 26 Nov 2019
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      Replying to @DavidSHolz

      It's fuzzy. Backlinks themselves are one piece of what I think of as "peripheral vision"—serendipitous representations of structure and associations. A high rank tells me that a note is implicitly "near" another note that's important along some axis (not always the axis I want).

      3 replies 1 retweet 12 likes
    4. Jason Benn‏ @jasoncbenn 26 Nov 2019
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      Replying to @andy_matuschak @DavidSHolz

      You don't know me yet, but I've been experimenting with similar ideas after hearing an inspiring description of your notes system from my housemate @tayroga. I've been taking it in more of a ML direction: I implemented cosine similarity between notes using BERT representations.

      1 reply 0 retweets 5 likes
    5. Jason Benn‏ @jasoncbenn 26 Nov 2019
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      Replying to @jasoncbenn @andy_matuschak and

      +: "Weird" backlinks might just be directions in space - I'd LOVE to find an "opposing viewpoint" direction, or train a model with such a direction +: "Weird" backlinks might also be a certain *distance* in space? Perhaps there's a "Goldilocks zone" for creative connections.

      1 reply 0 retweets 3 likes
    6. Jason Benn‏ @jasoncbenn 26 Nov 2019
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      Replying to @jasoncbenn @andy_matuschak and

      Pretty sure @DavidSHolz and @JvNixon have experimented with this too - what have y'all found useful? I think the potential to identify interesting/unusual connections is the potential killer app. cc @jeremyhoward - this is what I was describing to you in that waiting room!

      2 replies 0 retweets 3 likes
    7. David Holz‏ @DavidSHolz 26 Nov 2019
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      Replying to @jasoncbenn @andy_matuschak and

      Unfortunately, the content of the text does not also contain the context of the text. Without the context the similarities are often superficial. Makes it very hard to scale as-is. Requires a whole new 'context' system which BERT does not naturally lead to. Still thinking...

      1 reply 0 retweets 4 likes
      Andy Matuschak‏Verified account @andy_matuschak 27 Nov 2019
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      Replying to @DavidSHolz @jasoncbenn and

      My instinct is unfashionable: rather than worrying so much about ranking and algorithms, worry a lot about info arch and presentation so you can approximate “see everything all the time”. The challenge is to do that usefully—everyone just starts drawing force-directed graphs.

      8:47 AM - 27 Nov 2019
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      • Thuongvu Jason Benn Taylor Rogalski
      1 reply 0 retweets 3 likes
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        2. David Holz‏ @DavidSHolz 27 Nov 2019
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          Replying to @andy_matuschak @jasoncbenn and

          I agree with your unfashionable instincts! Does that make them fashionable now? 🙃 It's always best to try solving a problem with design first. That said; there are entirely new landscapes of design opening up to us with modern NLP. What if tools-for-thought could also 'think'?

          1 reply 0 retweets 1 like
        3. Andy Matuschak‏Verified account @andy_matuschak 27 Nov 2019
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          Replying to @DavidSHolz @jasoncbenn and

          I buy that. "Unlinked references" in @roamresearch already seem somewhat valuable. It's easy to imagine increasing their value by e.g. using vector embeddings to "fuzz" the edges of that set. Not clear how soon that would come up on an oracular pri-queue relative to design work.

          1 reply 0 retweets 1 like
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