Hosung's Blog Notes on federated learning, machine learning, and the systems behind them.https://hosungk.com/ 2026-09-14T00:00:00.000ZHosung Kim Federated Learning, from First Principleshttps://hosungk.com/posts/federated-learning-first-principles/ 2026-09-14T00:00:00.000Z 2026-09-14T00:00:00.000Z A first look at learning across separate datasets, one round of FedAvg, and the experiment I want to build next.