Unsupervised Learning

Fact

A way for AI to find structure in data without human labels.

In Plain Words

It is the new kid in the school cafeteria. No name tags, but it still finds the pudding-cup traders.

It finds patterns without labels. It groups similar data. It can shrink data too. It also helps pretraining.

Related Concepts

• Supervised Learning
• Self-supervised Learning
• Representation Learning
• Word2Vec

Supervised Learning
Supervised Learning uses labels; Unsupervised Learning finds structure without them.

SSL
SSL keeps the same idea, but it builds its own training targets.

Representation Learning
Unsupervised Learning often learns useful features before later tasks.

Word2Vec
Word2Vec is a classic early example of unsupervised-style representation learning.