Atlas

Foundations

Embeddings

Meaning as direction in high-dimensional space.

You can jump straight in, but this star assumes Neural Networks. Not recommended as a first stop.

Four layers of depth

Each layer ends with a quiz. Finish layer 4 and you own this concept.

  1. L1IntuitionWhy models turn words, images, and other discrete things into lists of numbers, and what 'closeness' in that space means.5m
    40 XP
  2. L2MechanicsHow embeddings are actually learned via lookup tables and training signal, and how similarity is measured and used.8m
    70 XP
  3. L3CodeImplementing an embedding lookup and a mini word2vec-style training loop, then computing nearest neighbors.12m
    110 XP
  4. L4FoundationsThe formal skip-gram objective, negative sampling, and why embedding geometry captures linear semantic relationships.15m
    180 XP

Where this leads

33 stars in the atlas.