# NMDC Ontology (NMDCO)

> The NMDC Ontology (NMDCO) is used by the National Microbiome Data Collaborative (NMDC,...

- Page: https://library.schematica.io/model/8e867d58daf04f9d9b37bf5c8bbf9db0
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: OWL
- External link: https://bioportal.bioontology.org/ontologies/NMDCO
- Contact: Mark Miller (mamillerpa@gmail.com)
- Listed in library: 2025-06-12
- Last updated: 2024-03-16

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | NMDCO |
| Description | The NMDC Ontology (NMDCO) is used by the National Microbiome Data Collaborative (NMDC, https://microbiomedata.org) to annotate multi-omic microbiome metadata. It merges a number of ontologies relevant to the NMDC (such as the plant and environment ontologies) into a single ontology.<br>The ontology can be download from Github at https://github.com/microbiomedata/nmdc-ontology. |
| Format | OWL |
| Categories | Other, Plant |
| Groups |  |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 13,683 |
| Individuals | 83 |
| Properties | 711 |
| Max Depth | 38 |
| Max Child Count | 1,366 |
| Average Child Count | 3 |
| Classes With One Child | 2,564 |
| Classes With More Than 25 Children | 79 |
| Classes With No Definition | 1,744 |

## Projects using NMDCO

No projects using NMDCO

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Source: https://library.schematica.io/model/8e867d58daf04f9d9b37bf5c8bbf9db0