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 the focus to provide the best possible experience for other developers to build GenAI applications with Neo4j.

books by Oskar Hane

Essential GraphRAG

  • MEAP began June 2024
  • Publication in June 2025 (estimated)
  • ISBN 9781633436268
  • 175 pages (estimated)
  • printed in black & white

Knowledge Graph-Enhanced RAG teaches you to implement accurate, performant, and traceable RAG by structuring the context data as a knowledge graph. Filled with practical techniques, this book teaches you how to build RAG on both unstructured and structured data. You’ll go hands-on to build a vector similarity search retrieval tool, an Agentic RAG application, extract information from text to create a Knowledge Graph, evaluate performance and accuracy, and more.