# Ontology for Biomedical Investigations (OBI)

> OBI is an ontology of investigations, the protocols and instrumentation used, the material used,...

- Page: https://library.schematica.io/model/058fe514376e44f3b7c52cd51c190a61
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Mid
- Formats: OWL
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/OBI
- Contact: Bjoern Peters (bpeters@liai.org)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | OBI |
| Description | OBI is an ontology of investigations, the protocols and instrumentation used, the material used, the data generated and the types of analysis performed on it. <br>To import,<br>Latest version: http://purl.obolibrary.org/obo/obi.owl<br><br>Latest release notes at http://purl.obolibrary.org/obo/obi/release-notes.html<br><br>Note: BFO 2.0 pre-Graz release (not official release version) was used in this release. |
| Format | OWL |
| Categories | Experimental Conditions |
| Groups | OBO Foundry |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 4,989 |
| Individuals | 303 |
| Properties | 97 |
| Max Depth | 18 |
| Max Child Count | 326 |
| Average Child Count | 4 |
| Classes With One Child | 464 |
| Classes With More Than 25 Children | 34 |
| Classes With No Definition | 168 |

## Projects using OBI

- [ISA software suite](https://bioportal.bioontology.org/projects/ISS)
- [Maggot](https://bioportal.bioontology.org/projects/Maggot)
- [MeRy-B](https://bioportal.bioontology.org/projects/MeRy-B)
- [eagle-i](https://bioportal.bioontology.org/projects/eagle-i)
- [Beta Cell Genomics database](https://bioportal.bioontology.org/projects/BCGD)
- [Ontology for the obstetric and neonatal domain](https://bioportal.bioontology.org/projects/ONTONEO)
- [Electrophysiology Ontology](https://bioportal.bioontology.org/projects/EO)
- [Influenza Ontology](https://bioportal.bioontology.org/projects/IO)
- [Neural ElectroMagnetic Ontologies](https://bioportal.bioontology.org/projects/NEMO)
- [Adverse Event Reporting Ontology](https://bioportal.bioontology.org/projects/AERO)
- [Gemma](https://bioportal.bioontology.org/projects/Gemma)
- [Immunology Database and Analysis Portal](https://bioportal.bioontology.org/projects/ImmPort)
- [Influenza Research Database](https://bioportal.bioontology.org/projects/IRD)
- [Virus Pathogen Resource](https://bioportal.bioontology.org/projects/ViPR)
- [Evidence Ontology](https://bioportal.bioontology.org/projects/ECO)
- [Blood Ontology](https://bioportal.bioontology.org/projects/Blood_Ontology)
- [Neuroscience Information Framework](https://bioportal.bioontology.org/projects/NIF)
- [Ontology of Data Mining](https://bioportal.bioontology.org/projects/OntoDM)
- [Bioinformatics Web Service Ontology](https://bioportal.bioontology.org/projects/BWSO)
- [FGED-MGED Ontology](https://bioportal.bioontology.org/projects/FMO)
- [Immune Epitope Database](https://bioportal.bioontology.org/projects/IED)
- [An Ontology for Drug Discovery Investigations](https://bioportal.bioontology.org/projects/AOFDDI)
- [Integrative Tools for Protozoan Parasite Research](https://bioportal.bioontology.org/projects/ITPPR)
- [NGS Ontology](https://bioportal.bioontology.org/projects/NGSOnto)

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Source: https://library.schematica.io/model/058fe514376e44f3b7c52cd51c190a61