Ask HN: How Can I Get into NLP (Natural Language Processing)?
There is a great set of lectures by Dan Jurafsky and Chris Manning:
https://www.youtube.com/watch?v=nfoudtpBV68&list=PL6397E4B26...It would be helpful to have some background in Machine Learning. For a good introductory course with a mix of mathematical background, see https://see.stanford.edu/Course/CS229NLP in the more modern systems is backed by deep neural nets. Here's a course on NLP using deep learning:
https://www.youtube.com/playlist?list=PLIiVRB6G_w0i-uOoS6cDh...