A classification of the diverse roles performed in the work leading to a published research output in the sciences. Its purpose to provide transparency in contributions to scholarly published work, to enable improved systems of attribution, credit, and accountability.

Preferred Prefix
obo ontology
CC BY 2.0
Homepage Repository OBO OWL
Marijane White   0000-0001-5059-4132   marijane
Pattern for Local Unique Identifiers

Local identifiers in Contributor Role Ontology should match this regular expression:

Example Local Unique Identifier
0000038   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from Contributor Role Ontology should match this regular expression:

Example CURIE
Metaregistry Contributor Role Ontology

The metaregistry provides mappings between the Bioregistry and other registries. There are 6 mappings to external registries for this resource with 1 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
AberOWL AberOWL logo aberowl CRO
BioContext biocontext CRO
BioPortal BioPortal Prefixes logo bioportal CRO
OBO Foundry OBO Foundry logo obofoundry cro
OLS Ontology Lookup Service logo ols cro
OntoBee OntoBee logo ontobee CRO
RDF Information

When using this resource in RDF, the following URI format should be used:



A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier 0000038 is used to demonstrate the providers available for Contributor Role Ontology. A guide for curating additional providers can be found here.

Name Metaprefix URI
Contributor Role Ontology cro http://purl.obolibrary.org/obo/CRO_0000038
Contributor Role Ontology (RDF) rdf http://purl.obolibrary.org/obo/CRO_0000038
Bioregistry bioregistry https://bioregistry.io/cro:0000038
OBO Foundry obofoundry http://purl.obolibrary.org/obo/CRO_0000038
Ontology Lookup Service ols https://www.ebi.ac.uk/ols4/ontologies/cro/terms?iri=http://purl.obolibrary.org/obo/CRO_0000038
BioPortal Prefixes bioportal https://bioportal.bioontology.org/ontologies/CRO/?p=classes&conceptid=http://purl.obolibrary.org/obo/CRO_0000038