Bibliografia

Principal

• Speech and Language Processing: An Introduction to Natural Language Processing, Computational Linguistics and Speech Recognition, Second Edition: Daniel Jurafsky & James H. Martin 2009 Prentice-Hall
• Speech and Language Processing (3rd ed. draft): Dan Jurafsky & James H. Martin 2017 https://web.stanford.edu/~jurafsky/slp3/

Secundária

• Natural Language Understanding: James Allen 1995 Addison Wesley Publishing Company