Wikidata is a collaboratively edited knowledge base operated by the Wikimedia Foundation. It is intended to provide a common source of certain types of data which can be used by Wikimedia projects such as Wikipedia. Wikidata functions as a document-oriented database, centred on individual items. Items represent topics, for which basic information is stored that identifies each topic.

Alternative Prefixes
WD_Entity wd
chemistry genomics metabolomics proteomics subject agnostic
Denny Vrandečić   0000-0002-9593-2294   vrandezo
Pattern for Local Unique Identifiers

Local identifiers in Wikidata should match this regular expression:

Example Local Unique Identifier
Q47475003   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from Wikidata should match this regular expression:

Example CURIE
2012 Wikidata

A summary of the relations in the Bioregistry schema can be found here.

Has Parts (bfo:0000051 )
Metaregistry Wikidata

The metaregistry provides mappings between the Bioregistry and other registries. There are 8 mappings to external registries for this resource with 4 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
BARTOC Basic Register of Thesauri, Ontologies & Classifications logo bartoc 1940
BioContext biocontext WIKIDATA
Biolink Biolink Model Registry logo biolink WIKIDATA
Cellosaurus Cellosaurus Registry logo cellosaurus Wikidata
CHEMINF cheminf 000567
FAIRSharing FAIRSharing logo fairsharing FAIRsharing.6s749p logo miriam wikidata
N2T Name-to-Thing logo n2t wikidata

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 Q47475003 is used to demonstrate the providers available for Wikidata. A guide for curating additional providers can be found here.

Name Metaprefix URI
Wikidata wikidata
Bioregistry bioregistry miriam
Name-to-Thing n2t
Extra Providers

Additional providers curated in the Bioregistry are listed here. These are typically inherited from or Prefix Commons, and need extra curation.

Code Name URL
scholia Scholia