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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? FREE CHAPTER 2. Python Tips for Text Analysis 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

Deep learning

Throughout this book, we have made use of machine learning techniques, with topic modeling, clustering and classifying algorithms, as well as what we call shallow learning word embeddings. Word embeddings were our first glimpse into neural networks and the kind of semantic information they can learn.

Neural networks can be understood as a computing system or machine learning algorithm whose architecture is vaguely inspired by biological neurons in the brain. We say vaguely here because of the lack of thorough understanding we have of the human brain through the neural connections and structure of the brain was certainly influential in some of the basic building blocks of neural networks, such as the perceptron [1] and single-layer neural network [2].

A neural network generally consists of a number of nodes that perform mathematical operations and...

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