Neo4j Open-Sources Ontology Spec to Fix GraphRAG Schema Drift

Neo4j has open-sourced an ontology spec that moves GraphRAG schemas from scattered prompts and Python code into validated YAML, addressing the common problem of schema drift between extraction prompts, graph models, and validation rules.

2026-11-10 ~ 2026-11-11 · 2 related posts

• Neo4j open-sources an ontology spec: versioned YAML schemas with JSON Schema validation for GraphRAG — JeremyCMorgan · 2026-11-10
• GraphRAG has a schema drift problem; Neo4j's ontology spec proposes a shared contract — JeremyCMorgan · 2026-11-11