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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

The SVM algorithm

SVM is a supervised ML algorithm that attempts to classify data within a dataset by finding the optimal hyperplane that best segregates the classes. Each data point in the dataset can be considered a vector in an N-dimensional plane, with each dimension representing a feature of the data. SVM identifies the frontier data points (or points closest to the opposing class), also known as support vectors, and then attempts to find the boundary (also known as the hyperplane in the N-dimensional space) that is the farthest from the support vector of each class.

Say we have a fruit basket with two types of fruits in it and we want to create an algorithm that segregates them. We only have information about two features of the fruits; that is, their weight and radius. Therefore, we can abstract this problem as a linear algebra problem, with each fruit representing a vector in a two-dimensional space, as shown in the following diagram. In order to segregate the two types of fruit...

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