jonathanstray

@jonathanstray

Research fellow , trying to understand what AI means to the here and now. Previously: taught computational journalism at

San Francisco
Vrijeme pridruživanja: svibanj 2008.

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  1. Prikvačeni tweet
    2. srp 2019.

    Very pleased to say my paper "Making AI work for Investigative Journalism" is finally available. Here's my review of what's been done, why it's been hard to use AI for "finding patterns" in data, and suggestions for how to make progress. (thread)

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  2. When the objective function term to incorporate a concern into an optimizer is the negative of one already there for someone else's interest, then you have discovered that you need negotiation between parties.

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  3. prije 3 sata

    First person pronoun in a single-author scientific paper?

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  4. prije 7 sati

    I should clarify, this approach is explicit in the organization's mission. So I guess not merely "my view"

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  5. prije 7 sati

    My view is that has to be more than "don't do that with AI." We have to say what is better, both to effectively mitigate harms and to create new possibilities. Not just criticism, but design.

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  6. proslijedio/la je Tweet
    prije 18 sati

    Important and nuanced contribution to the ever evolving saga of echo chambers: "Echo Chambers Exist! (But They're Full of Opposing Views)." Draft paper by S Rudinac & upcoming M&D WS participant 1/3

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  7. proslijedio/la je Tweet

    DeepFake Detection Challenge - Progress () - So far, 1494 participants. 56 days until the end of the competition - Best score is of log-loss of 0.25781 (77.27% accuracy) - joined the competition and ranked 6th!

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  8. prije 12 sati

    “Externality” is a great word for talking about a certain type of market problem, but I’m seeing it evolve into “any bad outcome.” It’s got a technical definition that’s probably worth defending. E.g. low driver wages is not an externality for Uber. It’s entirely internal.

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  9. prije 13 sati

    Good news: the existence of arbitrage between regulatory regimes doesn't mean regulations are bad, because they compensate for externalities. Bad news: existing regulations do not seem to be addressing the externalities they were designed to fix.

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  10. prije 15 sati

    I was into relativity before it was special.

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  11. 4. velj

    YOU GUISE MAGNETISM IS JUST MOVING ELECTRIC CHARGE IN A RELATIVISTIC REFERENCE FRAME! I'm still excited about this. I guess because it's the first "unification" principle in physics where I can personally follow the math.

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  12. proslijedio/la je Tweet
    4. velj

    Asked my students what percentage of retail sales were handled by e-commerce (as opposed to brick-and-mortar). Their estimates ranged from 85% to 40%, with an average around 60%. The real number is 11%. Small wonder we are overestimating the effects of change in some areas.

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  13. 4. velj

    Dear critics of capitalism: what's a good, smart reference that discusses the idea that some companies are so powerful and have so much effect on people's lives that they are effectively making public policy?

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  14. 3. velj

    Amartya Sen deserved his Nobel Prize. Fite me.

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  15. 3. velj
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  16. 3. velj

    TIL magnetism can be understood by analyzing moving charges with special relativity. I studied physics and how did I not get this before? Shoulda taken that EM class after all, I guess. Magnets, how do they work? Now I know.

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  17. proslijedio/la je Tweet
    3. velj

    Whether they know it or not, people who advocate for causal evaluation in business and society are fundamentally re-thinking how power works. Statistics & research design are much easier to get right than the underlying questions about power.

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  18. 1. velj

    So if I invest in an index fund and buy a short position on the included fossil fuel companies, that's financially equivalent to not investing in fossil fuels. But is it equivalent in the real economy?

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  19. 1. velj

    Experimenting today with putting some of my savings into low-carbon index funds. Chose Vanguard's ESGV fund primarily because of low expenses. I expect reasonable returns but mostly this move forces me to think through the implications, mechanics, and effects of social investing.

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  20. 1. velj

    I mean, if it's a good idea, someone has already thought of it. Part of being a mature researcher is understanding that. So I went looking and sure enough, Rolnick and co already had this. Now I'd like to evaluate real-world feasibility.

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  21. 31. sij

    What's the largest database of per-product carbon footprints you know? Not an idle question. I want to know if you can build this into real product recommendation systems.

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