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Natural Language Processing and Computational Linguistics

You're reading from   Natural Language Processing and Computational Linguistics A practical guide to text analysis with Python, Gensim, spaCy, and Keras

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781788838535
Length 306 pages
Edition 1st Edition
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Author (1):
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Bhargav Srinivasa-Desikan Bhargav Srinivasa-Desikan
Author Profile Icon Bhargav Srinivasa-Desikan
Bhargav Srinivasa-Desikan
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Table of Contents (17) Chapters Close

Preface 1. What is Text Analysis? 2. Python Tips for Text Analysis FREE CHAPTER 3. spaCy's Language Models 4. Gensim – Vectorizing Text and Transformations and n-grams 5. POS-Tagging and Its Applications 6. NER-Tagging and Its Applications 7. Dependency Parsing 8. Topic Models 9. Advanced Topic Modeling 10. Clustering and Classifying Text 11. Similarity Queries and Summarization 12. Word2Vec, Doc2Vec, and Gensim 13. Deep Learning for Text 14. Keras and spaCy for Deep Learning 15. Sentiment Analysis and ChatBots 16. Other Books You May Enjoy

Dependency parsing with spaCy

If you've followed every chapter of this book until this one, you would already have finished dependency parsing your data, multiple times; each run of your text through the pipeline had already annotated the words in the sentences in your document with their dependencies to the other words in the sentence. Let's set-up our models again, similar to how we did in the previous chapters.

import spacy
nlp = spacy.load('en')

Now that our pipeline is ready, we can begin analyzing our sentences.

spaCy's parsing portion of the pipeline does both phrasal parsing and dependency parsing - this means that we can get information about what the noun and verb chunks in a sentence are, as well as information about the dependencies between words.

Phrasal parsing can also be referred to as chunking, as we get chunks that are part of sentences...

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