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.

Prefix
wikidata
Alternative Prefixes
wd WD_Entity
Keywords
chemistry genomics metabolomics proteomics subject agnostic
Links
Homepage @wikidata
Contact
Missing Contact
Pattern for Local Unique Identifiers

Local identifiers in Wikidata should match this regular expression:
^(Q|P)\d+$

Example Local Unique Identifier
Q2207226   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from Wikidata should match this regular expression:
^wikidata:(Q|P)\d+$

Example CURIE
wikidata:Q2207226
Publications
2012 Wikidata
Ontology
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
Basic Register of Thesauri, Ontologies & Classifications bartoc 1940
BioContext biocontext WIKIDATA
Biolink Model Registry biolink WIKIDATA
Cellosaurus Registry cellosaurus Wikidata
Chemical Information Ontology cheminf 000567
FAIRSharing FAIRSharing logo fairsharing FAIRsharing.6s749p
Identifiers.org Identifiers.org logo miriam wikidata
Name-to-Thing Name-to-Thing logo n2t wikidata
Providers

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 http://www.wikidata.org/entity/Q2207226
Bioregistry bioregistry https://bioregistry.io/wikidata:Q2207226
Identifiers.org miriam https://identifiers.org/wikidata:Q2207226
Name-to-Thing n2t https://n2t.net/wikidata:Q2207226
None scholia https://scholia.toolforge.org/Q2207226
None scholia https://scholia.toolforge.org/Q2207226
Extra Providers

Additional providers curated in the Bioregistry are listed here.

Code Name URL
scholia Scholia https://scholia.toolforge.org/Q2207226