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Hands-On Meta Learning with Python

You're reading from  Hands-On Meta Learning with Python

Product type Book
Published in Dec 2018
Publisher Packt
ISBN-13 9781789534207
Pages 226 pages
Edition 1st Edition
Languages
Author (1):
Sudharsan Ravichandiran Sudharsan Ravichandiran
Profile icon Sudharsan Ravichandiran
Toc

Table of Contents (17) Chapters close

Title Page
Dedication
About Packt
Contributors
Preface
1. Introduction to Meta Learning 2. Face and Audio Recognition Using Siamese Networks 3. Prototypical Networks and Their Variants 4. Relation and Matching Networks Using TensorFlow 5. Memory-Augmented Neural Networks 6. MAML and Its Variants 7. Meta-SGD and Reptile 8. Gradient Agreement as an Optimization Objective 9. Recent Advancements and Next Steps 1. Assessments 2. Other Books You May Enjoy Index

Chapter 5. Memory-Augmented Neural Networks

So far, in the previous chapters, we have learned several distance-based metric learning algorithms. We started off with siamese networks and saw how siamese networks learn to discriminate between two inputs, then we looked at prototypical networks and variants of prototypical networks, such as Gaussian prototypical networks and semi-prototypical networks. Going ahead, we explored interesting matching networks and relation networks.

In this chapter, we will learn about Memory-Augmented Neural Networks (MANN), which are used for one-shot learning. Before diving into MANN, we will learn about their predecessor, Neural Turing Machines (NTM). We will learn how NTMs make use of external memory for storing and retrieving information and we will also see how to use a NTM for perform copy tasks.

In this chapter, we will learn about the following:

  • NTM
  • Reading and writing in NTM
  • Addressing mechanisms
  • Copy tasks using NTM
  • MANN
  • Reading and writing in MANN
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