Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Mastering spaCy

You're reading from   Mastering spaCy An end-to-end practical guide to implementing NLP applications using the Python ecosystem

Arrow left icon
Product type Paperback
Published in Jul 2021
Publisher Packt
ISBN-13 9781800563353
Length 356 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Duygu Altınok Duygu Altınok
Author Profile Icon Duygu Altınok
Duygu Altınok
Arrow right icon
View More author details
Toc

Table of Contents (15) Chapters Close

Preface 1. Section 1: Getting Started with spaCy
2. Chapter 1: Getting Started with spaCy FREE CHAPTER 3. Chapter 2: Core Operations with spaCy 4. Section 2: spaCy Features
5. Chapter 3: Linguistic Features 6. Chapter 4: Rule-Based Matching 7. Chapter 5: Working with Word Vectors and Semantic Similarity 8. Chapter 6: Putting Everything Together: Semantic Parsing with spaCy 9. Section 3: Machine Learning with spaCy
10. Chapter 7: Customizing spaCy Models 11. Chapter 8: Text Classification with spaCy 12. Chapter 9: spaCy and Transformers 13. Chapter 10: Putting Everything Together: Designing Your Chatbot with spaCy 14. Other Books You May Enjoy

Updating an existing pipeline component

In this section, we will train spaCy's NER component further with our own examples to recognize the navigation domain. We already saw some examples of navigation domain utterances and how spaCy's NER model labeled entities of some example utterances:

navigate/0 to/0 my/0 home/0
navigate/0 to/0 Oxford/FAC Street/FAC

Obviously, we want NER to perform better and recognize location entities, such as street names, district names, and other location names, such as home, work, and office. Now, we'll feed our examples to the NER component and will do more training. We will train NER in three steps:

  1. First, we'll disable all the other statistical pipeline components, including the POS tagger and the dependency parser.
  2. We'll feed our domain examples to the training procedure.
  3. We'll evaluate the new NER model.

Also, we will learn how to do the following:

  • Save the updated NER model to disk...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image