---
title: "Knowledge graph reference | Grafana Cloud documentation"
description: "Technical reference documentation for Grafana Cloud Knowledge Graph"
---

# Knowledge graph reference

This section provides technical reference documentation for the knowledge graph, including detailed information about how the system processes data, insight categories, causality, and base insights.

- [Environment and region](/docs/grafana-cloud/knowledge-graph/reference/about-environment-region/)  
  Learn how the knowledge graph models environments and regions
- [How the knowledge graph processes data](/docs/grafana-cloud/knowledge-graph/reference/how-knowledge-graph-processes-data/)  
  Learn how the knowledge graph processes your data for entity discovery and insight processing
- [Default insights library](/docs/grafana-cloud/knowledge-graph/reference/about-base-insights/)  
  Learn about the default insights library included with the knowledge graph
- [Insights categories](/docs/grafana-cloud/knowledge-graph/reference/insights-categories/)  
  Learn about the knowledge graph insights categories
- [How the knowledge graph determines causality between events](/docs/grafana-cloud/knowledge-graph/reference/causality/)  
  Learn how the knowledge graph determines causality between events
- [How notifications work in the knowledge graph](/docs/grafana-cloud/knowledge-graph/reference/notifications/)  
  Learn how notifications work in the knowledge graph
- [Knowledge graph data source](/docs/grafana-cloud/knowledge-graph/reference/datasource/)  
  Query the knowledge graph using the knowledge graph data source