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Hands-On Graph Neural Networks Using Python

You're reading from   Hands-On Graph Neural Networks Using Python Practical techniques and architectures for building powerful graph and deep learning apps with PyTorch

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Product type Paperback
Published in Apr 2023
Publisher Packt
ISBN-13 9781804617526
Length 354 pages
Edition 1st Edition
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Author (1):
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Maxime Labonne Maxime Labonne
Author Profile Icon Maxime Labonne
Maxime Labonne
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Table of Contents (25) Chapters Close

Preface 1. Part 1: Introduction to Graph Learning
2. Chapter 1: Getting Started with Graph Learning FREE CHAPTER 3. Chapter 2: Graph Theory for Graph Neural Networks 4. Chapter 3: Creating Node Representations with DeepWalk 5. Part 2: Fundamentals
6. Chapter 4: Improving Embeddings with Biased Random Walks in Node2Vec 7. Chapter 5: Including Node Features with Vanilla Neural Networks 8. Chapter 6: Introducing Graph Convolutional Networks 9. Chapter 7: Graph Attention Networks 10. Part 3: Advanced Techniques
11. Chapter 8: Scaling Up Graph Neural Networks with GraphSAGE 12. Chapter 9: Defining Expressiveness for Graph Classification 13. Chapter 10: Predicting Links with Graph Neural Networks 14. Chapter 11: Generating Graphs Using Graph Neural Networks 15. Chapter 12: Learning from Heterogeneous Graphs 16. Chapter 13: Temporal Graph Neural Networks 17. Chapter 14: Explaining Graph Neural Networks 18. Part 4: Applications
19. Chapter 15: Forecasting Traffic Using A3T-GCN 20. Chapter 16: Detecting Anomalies Using Heterogeneous GNNs 21. Chapter 17: Building a Recommender System Using LightGCN 22. Chapter 18: Unlocking the Potential of Graph Neural Networks for Real-World Applications
23. Index 24. Other Books You May Enjoy

Summary

In this chapter, we covered the essentials of graph theory, a branch of mathematics that studies graphs and networks. We began by defining what a graph is and explained the different types of graphs, such as directed, weighted, and connected graphs. We then introduced fundamental graph objects (including neighbors) and measures (such as centrality and density), which are used to understand and analyze graph structures.

Additionally, we discussed the adjacency matrix and its different representations. Finally, we explored the two fundamental graph algorithms, BFS and DFS, which form the foundation for developing more complex graph algorithms.

In Chapter 3, Creating Node Representations with DeepWalk, we will explore the DeepWalk architecture and its two components: Word2Vec and random walks. We will start by understanding the Word2Vec architecture and then implement it using a specialized library. Then, we will delve into the DeepWalk algorithm and implement random walks...

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