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Hands-On Graph Neural Networks Using Python

You're reading from  Hands-On Graph Neural Networks Using Python

Product type Book
Published in Apr 2023
Publisher Packt
ISBN-13 9781804617526
Pages 354 pages
Edition 1st Edition
Languages
Author (1):
Maxime Labonne Maxime Labonne
Profile icon Maxime Labonne

Table of Contents (25) Chapters

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

Compared to Zachary’s Karate Club, these two datasets include a new type of information: node features. They provide additional information about the nodes in a graph, such as a user’s age, gender, or interests in a social network. In a vanilla neural network (also called multilayer perceptron), these embeddings are directly used in the model to perform downstream tasks such as node classification.

In this section, we will consider node features as a regular tabular dataset. We will train a simple neural network on this dataset to classify our nodes. Note that this architecture does not take into account the topology of the network. We will try to fix this issue in the next section and compare our results.

The tabular dataset of node features can be easily accessed through the data object we created. First, I would like to convert this object into a regular pandas DataFrame by merging data.x (containing the node features...

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