is a Ontology.
It is part of the OBO Foundry collection.
Relationship types shared across multiple ontologies
| ID | Name | URL | Category | Format | Description |
|---|---|---|---|---|---|
| ro.owl | Relation Ontology | ro.owl (128.9 KB) | Ontology | owl | Canonical edition |
| ro.obo | Relation Ontology in obo format | ro.obo (82.4 KB) | Ontology | obo | The obo edition is less expressive th... |
| ro.json | Relation Ontology in obojson format | ro.json (111.5 KB) | Ontology | json | Relation Ontology in obojson format |
| ro.core.owl | RO Core relations | core.owl (7.6 KB) | Ontology | owl | Minimal subset intended to work with ... |
| ro.ro-base.owl | RO base ontology | ro-base.owl (95.2 KB) | Ontology | owl | Axioms defined within RO and to be us... |
| ro.subsets.ro-interaction.owl | Interaction relations | ro-interaction.owl (62.7 KB) | Ontology | owl | For use in ecology and environmental ... |
| ro.subsets.ro-neuro.owl | Neuroscience subset | ro-neuro.owl (5.0 KB) | Ontology | owl | For use in neuroscience |
| ro.kg-bioportal | OBOREL KGX graph (KG-Bioportal) | OBOREL.tar.gz (60.9 KB) | Graph | kgx | KGX TSV transform of Relations Ontolo... |
| ID | Name | URL | Category | Format | Relation | Description |
|---|---|---|---|---|---|---|
| pheknowlator.graph | PheKnowLator graph | knowledge_graphs?pageState=(%22StorageObjectListTable%22:(%22f%22:%22%255B%255D%22))&inv=1&invt=Ab5_1Q&project=pheknowlator | Graph | owl | had primary source | PheKnowLator graph files, including s... |
| chr.model.owl | Monochrom Ontology OWL release | chr.owl (100.0 KB) | Ontology | owl | had primary source | OWL release of Monochrom Ontology |
| efo.owl | EFO OWL | efo.owl (229.5 MB) | Ontology | owl | had primary source | The latest release of EFO in OWL format |
| efo.obo | EFO OBO | efo.obo (61.1 MB) | Ontology | obo | had primary source | The latest release of EFO in OBO format |
| hra-kg.graph.ttl | HRA KG graph data, v2.2, Turtle format | graph.ttl (194.6 MB) | Graph | ttl | had primary source | The graph representation of the Human... |
| hra-kg.graph.json | HRA KG graph data, v2.2, JSON-LD format | graph.json (17.6 KB) | Graph | jsonld | had primary source | The graph representation of the Human... |
| hra-kg.graph.xml | HRA KG graph data, v2.2, RDF/XML format | graph.xml (176.5 MB) | Graph | rdfxml | had primary source | The graph representation of the Human... |
| hra-kg.graph.nt | HRA KG graph data, v2.2, N-Triples format | graph.nt (277.9 MB) | Graph | ntriples | had primary source | The graph representation of the Human... |
| hra-kg.graph.nq | HRA KG graph data, v2.2, N-Quads format | graph.nq (359.5 MB) | Graph | nquads | had primary source | The graph representation of the Human... |
| np-kg.graph.tsv | NP-KG TSV | NP-KG_v3.0.0.tsv?download=1 (1.0 GB) | Graph | tsv | had primary source | Merged KG with ontology-grounded KG a... |
| np-kg.graph.networkx | NP-KG gpickle | NP-KG_v3.0.0.gpickle?download=1 (892.7 MB) | Graph | mixed | had primary source | Merged KG with ontology-grounded KG a... |
| sri-reference-kg.graph | SRI-Reference KG (KGX distribution) | monarch-kg.tar.gz (219.4 MB) | Graph | kgx | had primary source | KGX distribution of the SRI-Reference KG |
| brain-cell-kg.repository | Brain_Cell_KG repository | Brain_Cell_KG | Process | http | had primary source | Build system for Brain_Cell_KG. A Doc... |
| ecso.owl | ECSO OWL | ECSO8.owl (2.2 MB) | Ontology | owl | used | Current OWL release of ECSO (ECSO8.ow... |
| agro.owl | AgrO | agro.owl (452.7 KB) | Ontology | owl | had primary source | Contains all AgrO terms and links to ... |
| aism.owl | aism.owl | aism.owl (1.3 MB) | Ontology | owl | had primary source | Ontology for the Anatomy of the Insec... |
| aism.obo | aism.obo | aism.obo (875.5 KB) | Ontology | obo | had primary source | Ontology for the Anatomy of the Insec... |
| aism.json | aism.json | aism.json (907.6 KB) | Ontology | json | had primary source | Ontology for the Anatomy of the Insec... |
| cdno.owl | cdno.owl | cdno.owl (577.1 KB) | Ontology | owl | had primary source | Compositional Dietary Nutrition Ontol... |
| cdno.obo | cdno.obo | cdno.obo (323.5 KB) | Ontology | obo | had primary source | Compositional Dietary Nutrition Ontol... |
| cl.owl | Main CL OWL edition | cl.owl (62.8 MB) | Ontology | owl | had primary source | Complete ontology, plus inter-ontolog... |
| cl.obo | CL obo format edition | cl.obo (16.5 MB) | Ontology | obo | had primary source | Complete ontology, plus inter-ontolog... |
| cl.json | CL OBOGraph-JSON format edition | cl.json (38.0 MB) | Ontology | json | had primary source | Complete ontology, plus inter-ontolog... |
| cl.cl-basic.owl | Basic CL | cl-basic.owl (9.1 MB) | Ontology | owl | had primary source | Basic version, no inter-ontology axioms |
| cl.cl-basic.obo | Basic CL (OBO version) | cl-basic.obo (3.2 MB) | Ontology | obo | had primary source | Basic version, no inter-ontology axioms |
| cl.cl-basic.json | Basic CL (OBOGraph-JSON version) | cl-basic.json (5.8 MB) | Ontology | json | had primary source | Basic version, no inter-ontology axioms |
| clao.owl | clao.owl | clao.owl (109.9 KB) | Ontology | owl | had primary source | Collembola Anatomy Ontology in OWL fo... |
| clao.obo | clao.obo | clao.obo (72.6 KB) | Ontology | obo | had primary source | Collembola Anatomy Ontology in OBO fo... |
| clyh.owl | clyh.owl | clyh.owl (13.1 KB) | Ontology | owl | had primary source | Clytia hemisphaerica Development and ... |
| clyh.obo | clyh.obo | clyh.obo (9.4 KB) | Ontology | obo | had primary source | Clytia hemisphaerica Development and ... |
| colao.owl | colao.owl | colao.owl (160.7 KB) | Ontology | owl | had primary source | Coleoptera Anatomy Ontology (COLAO) i... |
| colao.obo | colao.obo | colao.obo (81.6 KB) | Ontology | obo | had primary source | Coleoptera Anatomy Ontology (COLAO) i... |
| cteno.owl | cteno.owl | cteno.owl (15.1 KB) | Ontology | owl | had primary source | Ctenophore Ontology in OWL format |
| ecao.owl | ecao.owl | ecao.owl (1.5 MB) | Ontology | owl | had primary source | The Echinoderm Anatomy and Developmen... |
| ecao.obo | ecao.obo | ecao.obo (978.5 KB) | Ontology | obo | had primary source | The Echinoderm Anatomy and Developmen... |
| ecocore.owl | ecocore.owl | ecocore.owl (1.2 MB) | Ontology | owl | had primary source | An ontology of core ecological entiti... |
| ecocore.obo | ecocore.obo | ecocore.obo (814.9 KB) | Ontology | obo | had primary source | An ontology of core ecological entiti... |
| ecto.owl | ecto.owl | ecto.owl (2.2 MB) | Ontology | owl | had primary source | Environmental conditions, treatments ... |
| ecto.obo | ecto.obo | ecto.obo (1.4 MB) | Ontology | obo | had primary source | Environmental conditions, treatments ... |
| ecto.json | ecto.json | ecto.json (1.6 MB) | Ontology | json | had primary source | Environmental conditions, treatments ... |
| envo.owl | main ENVO OWL release | envo.owl (800.7 KB) | Ontology | owl | had primary source | main ENVO OWL release |
| envo.json | ENVO in obographs JSON format | envo.json (638.3 KB) | Ontology | json | had primary source | ENVO in obographs JSON format |
| envo.obo | ENVO in OBO Format. May be lossy | envo.obo (581.3 KB) | Ontology | obo | had primary source | ENVO in OBO Format. May be lossy |
| envo.subsets.envo-basic.obo | OBO-Basic edition of ENVO | envo-basic.obo (412.6 KB) | Ontology | obo | had primary source | OBO-Basic edition of ENVO |
| envo.subsets.envoEmpo.owl | Earth Microbiome Project subset | envoEmpo.owl (18.6 KB) | Ontology | owl | had primary source | Earth Microbiome Project subset |
| envo.subsets.EnvO-Lite-GSC.obo | GSC Lite subset of ENVO | EnvO-Lite-GSC.obo (12.6 KB) | Ontology | obo | had primary source | GSC Lite subset of ENVO |
| fbbi.owl | fbbi.owl | fbbi.owl (685.2 KB) | Ontology | owl | had primary source | Biological Imaging Methods Ontology i... |
| fbbi.obo | fbbi.obo | fbbi.obo (191.0 KB) | Ontology | obo | had primary source | Biological Imaging Methods Ontology i... |
| foodon.owl | FoodOn ontology with import file references and over 9,000 food products | foodon.owl (2.7 MB) | Ontology | owl | had primary source | FoodOn ontology with import file refe... |
| fovt.owl | fovt.owl | fovt.owl (2.5 MB) | Ontology | owl | had primary source | FuTRES Ontology of Vertebrate Traits ... |
| fovt.obo | fovt.obo | fovt.obo (1.6 MB) | Ontology | obo | had primary source | FuTRES Ontology of Vertebrate Traits ... |
| gallont.owl | gallont.owl | gallont.owl (89.4 KB) | Ontology | owl | had primary source | Plant Gall Ontology in OWL format |
| gallont.obo | gallont.obo | gallont.obo (59.2 KB) | Ontology | obo | had primary source | Plant Gall Ontology in OBO format |
| genepio.owl | genepio.owl | genepio.owl (715.7 KB) | Ontology | owl | had primary source | Genomic Epidemiology Ontology in OWL ... |
| go.owl | GO (OWL edition) | go.owl (123.7 MB) | Ontology | owl | had primary source | The main ontology in OWL. This is sel... |
| go.obo | GO (OBO Format edition) | go.obo (34.9 MB) | Ontology | obo | had primary source | Equivalent to go.owl, in obo format |
| go.json | GO (JSON edition) | go.json | Ontology | json | had primary source | Equivalent to go.owl, in obograph jso... |
| go.extensions.go-plus.owl | GO-Plus | go-plus.owl (225.5 MB) | Ontology | owl | had primary source | The main ontology plus axioms connect... |
| go.extensions.go-plus.json | GO-Plus | go-plus.json | Ontology | json | had primary source | As go-plus.owl, in obographs json format |
| go.go-basic.obo | GO-Basic, Filtered, for use with legacy tools | go-basic.obo (30.6 MB) | Ontology | obo | had primary source | Basic version of the GO, filtered suc... |
| go.go-basic.json | GO-Basic, Filtered, for use with legacy tools (JSON) | go-basic.json | Ontology | json | had primary source | As go-basic.obo, in json format |
| go.snapshot.go.owl | GO (OWL edition), daily snapshot release | go.owl (123.9 MB) | Ontology | owl | had primary source | Equivalent to go.owl, but released da... |
| go.snapshot.go.obo | GO (OBO Format edition), daily snapshot release | go.obo (35.0 MB) | Ontology | obo | had primary source | Equivalent to go.owl, but released da... |
| go.extensions.go-taxon-groupings.owl | GO Taxon Groupings | go-taxon-groupings.owl | Ontology | owl | had primary source | Classes added to ncbitaxon for groupi... |
| hso.owl | hso.owl | hso.owl (135.0 KB) | Ontology | owl | had primary source | Health Surveillance Ontology in OWL f... |
| lepao.owl | lepao.owl | lepao.owl (138.5 KB) | Ontology | owl | had primary source | Lepidoptera Anatomy Ontology in OWL f... |
| lepao.obo | lepao.obo | lepao.obo (73.1 KB) | Ontology | obo | had primary source | Lepidoptera Anatomy Ontology in OBO f... |
| maxo.owl | maxo.owl | maxo.owl (15.7 MB) | Ontology | owl | had primary source | Medical Action Ontology in OWL format |
| maxo.obo | maxo.obo | maxo.obo (4.0 MB) | Ontology | obo | had primary source | Medical Action Ontology in OBO format |
| maxo.json | maxo.json | maxo.json (9.4 MB) | Ontology | json | had primary source | Medical Action Ontology in JSON format |
| ons.owl | ONS latest release | ons.owl (210.5 KB) | Ontology | owl | had primary source | ONS latest release |
| ontoavida.owl | OWL | ontoavida.owl (461.8 KB) | Ontology | owl | had primary source | The main ontology in OWL |
| ontoavida.obo | OBO | ontoavida.obo (234.5 KB) | Ontology | obo | had primary source | Equivalent to ontoavida.owl, in obo f... |
| pcl.owl | pcl.owl | pcl.owl (159.8 MB) | Ontology | owl | had primary source | Provisional Cell Ontology in OWL format |
| pcl.obo | pcl.obo | pcl.obo (38.0 MB) | Ontology | obo | had primary source | Provisional Cell Ontology in OBO format |
| pco.owl | pco.owl | pco.owl (60.8 KB) | Ontology | owl | had primary source | Population and Community Ontology in ... |
| plana.owl | plana.owl | plana.owl (173.9 KB) | Ontology | owl | had primary source | planaria-ontology in OWL format |
| plana.obo | plana.obo | plana.obo (117.7 KB) | Ontology | obo | had primary source | planaria-ontology in OBO format |
| planp.owl | planp.owl | planp.owl (523.0 KB) | Ontology | owl | had primary source | Planarian Phenotype Ontology in OWL f... |
| planp.obo | planp.obo | planp.obo (331.6 KB) | Ontology | obo | had primary source | Planarian Phenotype Ontology in OBO f... |
| poro.owl | poro.owl | poro.owl (61.1 KB) | Ontology | owl | had primary source | Porifera Ontology in OWL format |
| poro.obo | poro.obo | poro.obo (53.3 KB) | Ontology | obo | had primary source | Porifera Ontology in OBO format |
| proco.owl | proco.owl | proco.owl (140.2 KB) | Ontology | owl | had primary source | Process Chemistry Ontology in OWL format |
| psdo.owl | psdo.owl | psdo.owl (9.5 KB) | Ontology | owl | had primary source | Performance Summary Display Ontology ... |
| pso.owl | pso.owl | pso.owl (357.3 KB) | Ontology | owl | had primary source | Plant Stress Ontology in OWL format |
| pso.obo | pso.obo | pso.obo (236.1 KB) | Ontology | obo | had primary source | Plant Stress Ontology in OBO format |
| rbo.owl | rbo.owl | rbo.owl (1.8 MB) | Ontology | owl | had primary source | Radiation Biology Ontology in OWL format |
| rbo.obo | rbo.obo | rbo.obo (474.7 KB) | Ontology | obo | had primary source | Radiation Biology Ontology in OBO format |
| uberon.owl | Uberon | uberon.owl (94.0 MB) | Ontology | owl | had primary source | core ontology |
| uberon.uberon-basic.obo | Uberon basic | uberon-basic.obo (11.6 MB) | Ontology | obo | had primary source | Uberon edition that excludes external... |
| uberon.collected-metazoan.owl | Uberon collected metazoan ontology | collected-metazoan.owl (271.7 MB) | Ontology | owl | had primary source | Uberon plus all metazoan ontologies |
| uberon.composite-metazoan.owl | Uberon composite metazoan ontology | composite-metazoan.owl (247.8 MB) | Ontology | owl | had primary source | Uberon and all metazoan ontologies wi... |
| uberon.composite-vertebrate.owl | Uberon composite vertebrate ontology | composite-vertebrate.owl (121.0 MB) | Ontology | owl | had primary source | Uberon composite vertebrate ontology |
| upa.owl | upa.owl | upa.owl (780.2 KB) | Ontology | owl | had primary source | Unipathway in OWL format |
| upa.obo | upa.obo | upa.obo (443.6 KB) | Ontology | obo | had primary source | Unipathway in OBO format |
| xpo.owl | xpo.owl | xpo.owl (93.0 MB) | Ontology | owl | had primary source | Xenopus Phenotype Ontology in OWL format |
| xpo.obo | xpo.obo | xpo.obo (11.0 MB) | Ontology | obo | had primary source | Xenopus Phenotype Ontology in OBO format |
| zp.owl | zp.owl | zp.owl (162.4 MB) | Ontology | owl | had primary source | Zebrafish Phenotype Ontology in OWL f... |
| zp.obo | zp.obo | zp.obo (15.1 MB) | Ontology | obo | had primary source | Zebrafish Phenotype Ontology in OBO f... |
Relationship types shared across multiple ontologies
Canonical edition
URL: http://purl.obolibrary.org/obo/ro.owl
Format: owl
The obo edition is less expressive than the OWL, and has imports merged in
URL: http://purl.obolibrary.org/obo/ro.obo
Format: obo
Relation Ontology in obojson format
URL: http://purl.obolibrary.org/obo/ro.json
Format: json
Minimal subset intended to work with BFO-classes
URL: http://purl.obolibrary.org/obo/ro/core.owl
Format: owl
Axioms defined within RO and to be used in imports for other ontologies
URL: http://purl.obolibrary.org/obo/ro/ro-base.owl
Format: owl
For use in ecology and environmental science
URL: http://purl.obolibrary.org/obo/ro/subsets/ro-interaction.owl
Format: owl
Ecology subset
URL: http://purl.obolibrary.org/obo/ro/subsets/ro-eco.owl
Format: owl
For use in neuroscience
URL: http://purl.obolibrary.org/obo/ro/subsets/ro-neuro.owl
Format: owl
Domains: biological systems
This resource was automatically synchronized from the OBO Foundry registry.
Created: June 25, 2025 | Last modified: August 06, 2026