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Hands-On Python Natural Language Processing

You're reading from   Hands-On Python Natural Language Processing Explore tools and techniques to analyze and process text with a view to building real-world NLP applications

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Product type Paperback
Published in Jun 2020
Publisher Packt
ISBN-13 9781838989590
Length 316 pages
Edition 1st Edition
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Authors (2):
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Mayank Rasu Mayank Rasu
Author Profile Icon Mayank Rasu
Mayank Rasu
Aman Kedia Aman Kedia
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Aman Kedia
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Table of Contents (16) Chapters Close

Preface 1. Section 1: Introduction
2. Understanding the Basics of NLP FREE CHAPTER 3. NLP Using Python 4. Section 2: Natural Language Representation and Mathematics
5. Building Your NLP Vocabulary 6. Transforming Text into Data Structures 7. Word Embeddings and Distance Measurements for Text 8. Exploring Sentence-, Document-, and Character-Level Embeddings 9. Section 3: NLP and Learning
10. Identifying Patterns in Text Using Machine Learning 11. From Human Neurons to Artificial Neurons for Understanding Text 12. Applying Convolutions to Text 13. Capturing Temporal Relationships in Text 14. State of the Art in NLP 15. Other Books You May Enjoy

Transformers

The encoders and decoders we built up to now used RNN-based architectures. Even while discussing attention in the previous section, the attention-based mechanism was used in conjunction with RNN architecture-based encoders and decoders. Transformers approach the problem differently and build the encoders and decoders by using the attention mechanism, doing away with the RNN-based architectural backbones. Transformers have shown themselves to be more parallelizable and require a lot less time for training, thus having multiple benefits over the previous architectures.

Let's try and understand the complex architecture of Transformers next.

Understanding the architecture of Transformers

As in the previous section, Transformer modeling is based on converting a set of input sequences into a bunch of hidden states, which are then further decoded into a set of output sequences. However, the way these encoders and decoders are built is changed when using a Transformer. The...

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