Oskar Hane

Oskar Hane is a senior staff software engineer at Neo4j. He has over 20 years of experience as a software engineer and 10 years of experience working with Neo4j and knowledge graphs. He is currently leading the generative AI engineering team within Neo4j, with a focus on providing the best possible experience for other developers to build GenAI applications with Neo4j.

books by Oskar Hane

Essential GraphRAG

  • July 2025
  • ISBN 9781633436268
  • 176 pages
  • printed in black & white

Essential GraphRAG shows you how to build and deploy a production-quality GraphRAG system. You’ll learn to extract structured knowledge from text and how to combine vector-based and graph-based retrieval methods. The book is rich in practical examples, from building a vector similarity search retrieval tool and an Agentic RAG application, to evaluating performance and accuracy, and more.