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  • Oct
    3

    CS Seminar: Behavior-Bound Machine Learning (Kawin Ethayarajh)

    Department of Computer Science (CS)

    12:00 PM Mudd Hall ( formerly Seeley G. Mudd Library)

    EVENT DETAILS

    Thursday / CS Seminar
    October 3rd / 12:00 PM
    Hybrid / Mudd 3514

    Speaker
    Kawin Ethayarajh

    Talk Title
    Behavior-Bound Machine Learning

    Abstract
    We have long accepted that machine learning is bottlenecked by what hardware and software can do; we often discuss whether a process is memory-bound or compute-bound, for example. In this talk, I propose that machine learning is also behavior-bound: i.e., what it can accomplish is often circumscribed by the behavior of real-world actors such as workers, firms, and states. The behavior of these actors is only partially observable, hard to change, and often conflicts with that of other actors. My work formalizes these behaviors so that we can build machine learning pipelines that work as well in the real world as they do on paper, with actual humans and not just idealized ones. In this talk, I will discuss: (1) how to overcome the principal-agent problem in dataset creation to create datasets as complex as real-world problems; (2) how Kahneman & Tversky's prospect theory enables us to better align models with human feedback; (3) how to do cost-sensitive evaluation that better captures how firms choose among models in practice.

    Biography
    Kawin Ethayarajh is a Postdoctoral Fellow at Princeton Language and Intelligence (PLI), where he works on behavioral machine learning. He received a PhD in Computer Science from Stanford University, where he was advised by Dan Jurafsky. Prior to that, he was a National Scholar at the University of Toronto, where he received a BSc and MSc in Computer Science. His work has been recognized with a Facebook (Meta) Fellowship and an Outstanding Paper award at ICML 2022.

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    Zoom: https://northwestern.zoom.us/j/96280259503
    Panopto: https://northwestern.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=c29e2db7-f445-4437-9290-b1ef00f262af
    DEI Minute: Colorblind Accessibility https://chemistry.northwestern.edu/documents/colorblind-accessibility.pdf

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    TIME Thursday, October 3, 2024 at 12:00 PM - 1:00 PM

    LOCATION Mudd Hall ( formerly Seeley G. Mudd Library)    map it

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    CONTACT Wynante R Charles    wynante.charles@northwestern.edu EMAIL

    CALENDAR Department of Computer Science (CS)

  • May
    18

    CANCELLED - CS Student Seminar

    Department of Computer Science (CS)

    12:00 PM

    EVENT DETAILS

    TIME Monday, May 18, 2026 at 12:00 PM - 1:00 PM

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    CONTACT Wynante R Charles    wynante.charles@northwestern.edu EMAIL

    CALENDAR Department of Computer Science (CS)

  • May
    19

    ECE Seminar: Jelena Vuckovic

    Department of Electrical and Computer Engineering (ECE)

    10:00 AM L440, Technological Institute

    EVENT DETAILS

    TIME Tuesday, May 19, 2026 at 10:00 AM - 11:30 AM

    LOCATION L440, Technological Institute    map it

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    CONTACT Amani Walker    amani.walker@northwestern.edu EMAIL

    CALENDAR Department of Electrical and Computer Engineering (ECE)

  • May
    19

    CSPAC Public speaking workshop w/ Prof. Samir Khuller

    Department of Computer Science (CS)

    12:00 PM Tech L211, Technological Institute

    EVENT DETAILS

    TIME Tuesday, May 19, 2026 at 12:00 PM - 1:00 PM

    LOCATION Tech L211, Technological Institute    map it

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    CONTACT Melissa Chen    melissac@u.northwestern.edu EMAIL

    CALENDAR Department of Computer Science (CS)

  • May
    20

    ECE Seminar: Dawsen Hwang

    Department of Electrical and Computer Engineering (ECE)

    10:00 AM L440, Technological Institute

    EVENT DETAILS

    TIME Wednesday, May 20, 2026 at 10:00 AM - 11:30 AM

    LOCATION L440, Technological Institute    map it

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    CONTACT Amani Walker    amani.walker@northwestern.edu EMAIL

    CALENDAR Department of Electrical and Computer Engineering (ECE)

  • May
    20

    CS Distinguished Lecture: From Clocks to Clouds: Computer Science and the New Architecture of Reality (Julio Ottino)

    Department of Computer Science (CS)

    12:00 PM 3514, Mudd Hall ( formerly Seeley G. Mudd Library)

    EVENT DETAILS

    TIME Wednesday, May 20, 2026 at 12:00 PM - 1:00 PM

    LOCATION 3514, Mudd Hall ( formerly Seeley G. Mudd Library)    map it

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    CONTACT Wynante R Charles    wynante.charles@northwestern.edu EMAIL

    CALENDAR Department of Computer Science (CS)

  • May
    22

    Lingzhi Wang CS PhD Final Defense: Bridging Gaps in Operational Cyber Defense: Adaptive Intrusion Detection, Automated Red Teaming, and Realistic Evaluation

    Department of Computer Science (CS)

    11:00 AM Mudd 3514, Mudd Hall ( formerly Seeley G. Mudd Library)

    EVENT DETAILS

    TIME Friday, May 22, 2026 at 11:00 AM - 1:00 PM

    LOCATION Mudd 3514, Mudd Hall ( formerly Seeley G. Mudd Library)    map it

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    CONTACT Wynante R Charles    wynante.charles@northwestern.edu EMAIL

    CALENDAR Department of Computer Science (CS)

  • May
    26

    CSPAC Lightning talk competition

    Department of Computer Science (CS)

    3:30 PM

    EVENT DETAILS

    TIME Tuesday, May 26, 2026 at 3:30 PM - 5:00 PM

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    CONTACT Melissa Chen    melissac@u.northwestern.edu EMAIL

    CALENDAR Department of Computer Science (CS)

  • May
    27

    End of Year Department Awards

    Department of Computer Science (CS)

    3:00 PM TGS Commons, 2122 Sheridan Road

    EVENT DETAILS

    TIME Wednesday, May 27, 2026 at 3:00 PM - 5:00 PM

    LOCATION TGS Commons, 2122 Sheridan Road    map it

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    CONTACT Wynante Charles    wynante.charles@northwestern.edu EMAIL

    CALENDAR Department of Computer Science (CS)

  • May
    28

    Bagel Thursday

    Department of Computer Science (CS)

    9:00 AM 3514, Mudd Hall ( formerly Seeley G. Mudd Library)

    EVENT DETAILS

    TIME Thursday, May 28, 2026 at 9:00 AM - 11:00 PM

    LOCATION 3514, Mudd Hall ( formerly Seeley G. Mudd Library)    map it

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    CONTACT Wynante Charles    wynante.charles@northwestern.edu EMAIL

    CALENDAR Department of Computer Science (CS)

  • Jun
    3

    ECE Seminar: Gil Zussman

    Department of Electrical and Computer Engineering (ECE)

    10:00 AM L440, Technological Institute

    EVENT DETAILS

    TIME Wednesday, June 3, 2026 at 10:00 AM - 11:30 AM

    LOCATION L440, Technological Institute    map it

    ADD TO CALENDAR

    CONTACT Amani Walker    amani.walker@northwestern.edu EMAIL

    CALENDAR Department of Electrical and Computer Engineering (ECE)