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Python Natural Language Processing

You're reading from   Python Natural Language Processing Advanced machine learning and deep learning techniques for natural language processing

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Product type Paperback
Published in Jul 2017
Publisher Packt
ISBN-13 9781787121423
Length 486 pages
Edition 1st Edition
Languages
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Author (1):
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Jalaj Thanaki Jalaj Thanaki
Author Profile Icon Jalaj Thanaki
Jalaj Thanaki
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Table of Contents (13) Chapters Close

Preface 1. Introduction FREE CHAPTER 2. Practical Understanding of a Corpus and Dataset 3. Understanding the Structure of a Sentences 4. Preprocessing 5. Feature Engineering and NLP Algorithms 6. Advanced Feature Engineering and NLP Algorithms 7. Rule-Based System for NLP 8. Machine Learning for NLP Problems 9. Deep Learning for NLU and NLG Problems 10. Advanced Tools 11. How to Improve Your NLP Skills 12. Installation Guide

Challenges of features engineering

Here, we will discuss the challenges of features engineering for NLP applications. You must be thinking that we have a lot of options available in terms of tools and algorithms, so what is the most challenging part? Let's find out:

  • In the NLP domain, you can easily derive the features that are categorical features or basic NLP features. We have to convert these features into a numerical format. This is the most challenging part.
  • An effective way of converting text data into a numerical format is quite challenging. Here, the trial and error method may help you.
  • Although there are a couple of techniques that you can use, such as TF-IDF, one-hot encoding, ranking, co-occurrence matrix, word embedding, Word2Vec, and so on to convert your text data into a numerical format, there are not many ways, so people find this part challenging.
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