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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

Deep learning for text (and more)

We're already aware of the power of neural networks first hand when we used word embeddings. This is one aspect of neural networks using parts of the architecture itself to get useful information, but neural networks are far from limited to this. When we start using deeper networks, it is not prudent to use the weights to extract useful information in these cases; we are more interested in the natural output of the neural network. We can train neural networks to perform multiple tasks to do with text analysis indeed, for some of these tasks, the introduction of neural networks have completely changed how we approach the task.

A popular example here is Language Translation, and in particular, Google's Neural Translation model. Starting from until September 2016 Google used statistical and rule-based methods...

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