Coursera - Natural Language Processing

I am taking "Natural Language Processing Specializatione" on Coursera, and I would like to share my notes here.

class link

This series includes four courses:

1. Natural Language Processing with Classification and Vector Spaces
2. Natural Language Processing with Probabilistic Models
3. Natural Language Processing with Sequence Models
4. Natural Language Processing with Attention Models

And the notes will be named like C1W1, means Course 1 Week 1.