Knowledge Graphs with Langchain and Neo4j

The video discusses the use of Langchain and Neo4j to create knowledge graphs from raw text. It highlights the recent advancements in Language Models (LLMs) and LLM Frameworks that have made the process easier. The video provides a step-by-step guide on how to install necessary modules, define text documents, extract nodes and relationships, and load them into a Neo4j database. It uses an example of creating a knowledge graph about physicist Mary Curie, her work, awards, and personal life. The video also explains how to control the types of nodes and relationships extracted.