Jindřich Libovický

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🇨🇿 🇪🇺 Researcher at Charles University, Prague. Working on multilingual NLP and neural machine translation. Views my own. He/him.

3rd run teaching ML to 250+ bachelor students (with great materials originaly by Milan Straka). Core philosophy: explain the math, implement algorithms from scratch, Kaggle-style competitions, all auto-graded.
https://ufal.mff.cuni.cz/courses/npfl129/2526-winter

Some students find the assignments too time-consuming. Fair. But here's what the data shows over 3 years:
📉 Forum questions dropped ~4×
📈 Full bonus points: 20% → 27% → 52%
📉 Avg. test attempts: 2.7 → 2.4 → 1.9

Asking less, achieving more, iterating less. 🤔

Spent time making AI-generated images of Bayes' Rule, Laplace Smoothing, Markov Chains & Shannon Entropy for class today 🎨🤖 Even though the images are objectively hilarious, none of the 50 students in the room laughed. Or even smiled. 💀

Two years ago, I reviewed papers on LLM value orientations—and didn't trust the results. So I ran my own World Values Survey experiments. Skepticism justified: prompting style and error metric choice yield fundamentally different conclusions about LLM "alignment."
More interestingly, LLMs overgeneralize second-order patterns—more stereotypically consistent than real humans.

Paper out after several rejections! Preprint: https://www.arxiv.org/abs/2602.04033
Presenting at MME @ EACL 2026

Happy holidays! 🎄🤩🎁 (Xaphoon is, in fact, a plastic toy for kids, but it does not prevent me from acting like a wannabe sax professional, particularly when I take a breath.)
Knowlege of #ChatGTP is apparetly context-dependent. 🤔 It has a grasp of who I am (although the facts are wrong) only when you prime it with questions about @ufal_cuni. Otherwise, it has no idea.