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
Homepage @wikidata
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in Wikidata should match this regular expression:

Example Local Unique Identifier
Q2207226   Resolve
Pattern for CURIES

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

Example CURIE
2012 Wikidata
Has Part (bfo:0000051 )
Metaregistry Wikidata

The metaregistry provides mappings between the Bioregistry and other registries. There are 8 mappings to external registries for wikidata 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

Providers are various services that resolve CURIEs to URLs. The example CURIE wikidata:Q2207226 is used to demonstrate the provides available for wikidata. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

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

Additional providers curated in the Bioregistry are listed here.

Code Name URL
scholia Scholia