# Industry 4.0 Knowledge Graph (I40KG)

> The Industry 4.0 Knowledge Graph, I40KG or previously Standards Ontology (STO), represents...

- Page: https://library.schematica.io/model/3d820896e5654206898d89de30244bea
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: OWL
- Domains: Manufacturing / Industry, Tech / IT
- Audiences: Developer, Researcher, Data Scientist
- Classifications: #standards #api
- External link: https://industryportal.enit.fr/ontologies/I40KG
- Listed in library: 2025-09-23
- Last updated: 2025-09-23

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | I40KG |
| Description | The Industry 4.0 Knowledge Graph, I40KG or previously Standards Ontology (STO), represents standards, standardization organizations and standardization frameworks for the Industry 4.0 area. |
| Format | OWL |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 89 |
| Individuals | 1,382 |
| Properties | 68 |
| Max Depth | 2 |
| Max Child Count | 41 |
| Average Child Count | 12 |
| Classes With One Child | 3 |
| Classes With More Than 25 Children | 2 |
| Classes With No Definition | 49 |

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Source: https://library.schematica.io/model/3d820896e5654206898d89de30244bea