In the video “How to Build Knowledge Graphs With LLMs,” Johannes Jolkkonen provides a comprehensive tutorial on integrating Large Language Models (LLMs) with graph databases like Neo4J. The session begins with an overview of the environment and data types used, followed by a step-by-step guide on extracting entities and relationships from unstructured data, generating Cypher statements, and executing them to create a knowledge graph. The video also discusses the cost of using LLMs for processing data, highlighting the efficiency and affordability of the approach.