# Faculty topic: CNF and CYK / CKY parsing

Subject: Natural Language Processing

Exam: TEE

Reader: https://deep-learning-study-room.vercel.app/nlp/#tee/read/u4-forward-cky

Canonical: https://deep-learning-study-room.vercel.app/read/nlp/tee/read-chapter/u4-forward-cky/

Unit 4 PDF p105 names CYK. The supplied papers ask top-down / bottom-up CFG trees, not CKY charts. These traces explain the taught topic.

1. [Prepare a grammar for CYK / CKY](https://deep-learning-study-room.vercel.app/read/nlp/tee/read/u4-forward-cky--cnf/)
2. [CYK / CKY: complete charts, backpointers and ambiguity](https://deep-learning-study-room.vercel.app/read/nlp/tee/read/u4-forward-cky--cky/)