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

wdeschema WD_Entity wd

Keywords

chemistry genomics metabolomics proteomics subject agnostic

License

CC0-1.0

Links

Homepage

Contact

Denny Vrandečić   0000-0002-9593-2294   vrandezo

Pattern for Local Unique Identifiers

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

Example Local Unique Identifier

Q47475003   Resolve

Pattern for CURIES

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

Example CURIE

wikidata:Q47475003

Publications

2012 Wikidata

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

Has Parts (bfo:0000051 )

wikidata.property

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.

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.

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