Speech and Language Processing
An Introduction to Natural Language Processing,
Computational Linguistics, and Speech Recognition
Third Edition draft
Daniel Jurafsky
Stanford University
James H. Martin
University of Colorado at Boulder
Copyright c©2017
Draft of August 28, 2017. Comments and typos welcome!
Summary of Contents
1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Regular Expressions, Text Normalization, Edit Distance . . . . . . . . . 10
3 Finite State Transducers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4 Language Modeling with N-grams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5 Spelling Correction and the Noisy Channel . . . . . . . . . . . . . . . . . . . . . 61
6 Naive Bayes and Sentiment Classification . . . . . . . . . . . . . . . . . . . . . . . 74
7 Logistic Regression . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Language/Regression/机器/University/Speech/344/sducers/Tran/State/Correction/
Language/Regression/机器/University/Speech/344/sducers/Tran/State/Correction/
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