# Eagle-I Research Resource Ontology (ERO)

> This ontology models research resources such instruments. protocols, reagents, animal models and...

- Page: https://library.schematica.io/model/53f42c0ee7784813bf6d60bc85f88138
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Mid
- Formats: OWL
- Domains: Healthcare
- Audiences: Researcher
- External link: https://bioportal.bioontology.org/ontologies/ERO
- Contact: Carlo Torniai (carlotorniai@gmail.com)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | ERO |
| Description | This ontology models research resources such instruments. protocols, reagents, animal models and biospecimens. It has been developed in the context of the eagle-i project (http://eagle-i.net/). |
| Format | OWL |
| Categories | Biomedical Resources |
| Groups | OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 4,061 |
| Individuals | 22 |
| Properties | 195 |
| Max Depth | 15 |
| Max Child Count | 550 |
| Average Child Count | 4 |
| Classes With One Child | 296 |
| Classes With More Than 25 Children | 14 |
| Classes With No Definition | 1,639 |

## Projects using ERO

- [eagle-i](https://bioportal.bioontology.org/projects/eagle-i)
- [Beta Cell Genomics database](https://bioportal.bioontology.org/projects/BCGD)

---

Source: https://library.schematica.io/model/53f42c0ee7784813bf6d60bc85f88138