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Graph Data Science with Neo4j

You're reading from  Graph Data Science with Neo4j

Product type Book
Published in Jan 2023
Publisher Packt
ISBN-13 9781804612743
Pages 288 pages
Edition 1st Edition
Languages
Author (1):
Estelle Scifo Estelle Scifo
Profile icon Estelle Scifo

Table of Contents (16) Chapters

Preface 1. Part 1 – Creating Graph Data in Neo4j
2. Chapter 1: Introducing and Installing Neo4j 3. Chapter 2: Importing Data into Neo4j to Build a Knowledge Graph 4. Part 2 – Exploring and Characterizing Graph Data with Neo4j
5. Chapter 3: Characterizing a Graph Dataset 6. Chapter 4: Using Graph Algorithms to Characterize a Graph Dataset 7. Chapter 5: Visualizing Graph Data 8. Part 3 – Making Predictions on a Graph
9. Chapter 6: Building a Machine Learning Model with Graph Features 10. Chapter 7: Automatically Extracting Features with Graph Embeddings for Machine Learning 11. Chapter 8: Building a GDS Pipeline for Node Classification Model Training 12. Chapter 9: Predicting Future Edges 13. Chapter 10: Writing Your Custom Graph Algorithms with the Pregel API in Java 14. Index 15. Other Books You May Enjoy

Using embedding features

The performed analysis is equivalent to the analysis performed in Chapter 6, Building a Machine Learning Model with Graph Features, with scikit-learn, except that here, there is no need to add another package for model training, as everything is taken care of in GDS.

However, in the preceding chapter, we learned about another way to find node features, by learning them from the graph structure itself: node embeddings. In this section, we will use node embeddings as features for our classification task.

Choosing the graph embedding algorithm to use

In Chapter 7, Automatically Extracting Features with Graph Embeddings for Machine Learning, we talked about two graph embedding algorithms included in GDS: Node2Vec and GraphSAGE. They have some differences, and one of them is the kind of information they tend to encode. While Node2Vec tends to model the node positions in the graph (nodes close to each other in the graph will have close embeddings), GraphSAGE...

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