https://lilianweng.github.io/lil-log/2021/12/05/semi-supervised-learning.html
Learning with not Enough Data Part 1: Semi-Supervised Learning
Dec 5, 2021 by Lilian Weng
“When facing a limited amount of labeled data for supervised learning tasks, four approaches are commonly discussed…. I plan to write a series of posts on the topic of “Learning with not enough data”. Part 1 is on Semi-Supervised Learning.”