Wikidata

Wikidata is a collaboratively edited multilingual knowledge graph hosted by the Wikimedia Foundation. It is a source of open data released under the Creative Commons CC0 public domain dedication. It is for the use of both Wikimedia and external projects. Wikidata is a wiki powered by the software MediaWiki, including its extension for semi-structured data, the Wikibase. As of early 2025, Wikidata had 1.65 billion item statements (semantic triples).

thumb|A short introduction to Wikifunctions by Denny Vrandečić

Wikibase is a set of software tools for working with versioned semi-structured data in a central repository. It is based upon JSON instead of the unstructured data of wikitext normally used in MediaWiki. It stores and organizes information that can be collaboratively edited and read by humans and by computers, translated into multiple languages and shared with the rest of the world as part of the Linked Open Data (LOD) web. It is primary made up of two MediaWiki extensions, the Wikibase Repository, an extension for storing and managing data, and the Wikibase Client which allows for the retriev

tool for editing Wikidata from Wikipedia