Diffbot NLP APILangChain DiffbotGraphTransformerNeo4jGraphWikipediaLoaderGraphCypherQAChainintermediate30 min

Diffbot + knowledge graph extraction

Building custom knowledge graphs from unstructured text for LLM-powered Q&A, recommendations, and relationship analysis in AI agents.

Prerequisites

  • Diffbot API key (free)
  • Running Neo4j instance with APOC plugin (Docker recommended)
  • Python packages: langchain
  • langchain-experimental
  • langchain-neo4j
  • wikipedia.

Further reading