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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

Baby steps toward understanding RNNs

Sentences can be thought of as combinations of words, such that words are spoken over time in a sequential manner. It is essential to capture this temporal relationship in natural language data. The presence of a word in a lot of scenarios might be influenced by words not necessarily in the immediate neighborhood. Think of the following sentences:

She went on a walk along with her dog.

He went on a walk with his dog.

The sentences are exactly similar except in the usage of words for the identification of gender. The usage of the term her or his is directly dependent on the term She or He used toward the beginning of the sentence. With CNNs, we only looked at the immediate proximity of a word. Text data, as we saw in the examples, offers a unique challenge wherein we need to preserve context and have some notion of memory, which can help in making judgments at various points in time. RNNs are the go-to thing in such scenarios as they keep a notion of...

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