Wikidata Begins To Serve as Common Source of Structured Data For Wikipedia, Database Freely Resuable By All

From the Wikimedia Foundation:

A year after its announcement as the first new Wikimedia project since 2006, Wikidata has now begun to serve the over 280 language versions of Wikipedia as a common source of structured data that can be used in more than 25 million articles of the free encyclopedia. By providing Wikipedia editors with a central venue for their efforts to collect and vet such data, Wikidata leads to a higher level of consistency and quality in Wikipedia articles across the many language editions of the encyclopedia. Beyond Wikipedia, Wikidata’s universal, machine-readable knowledge database will be freely reusable by anyone, enabling numerous external applications.
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The development of Wikidata began in March 2012, led by Wikimedia Deutschland, the German chapter of the Wikimedia movement. Since Wikidata.org went live on 30 October 2012, a growing community of around 3,000 active contributors started building its database of ‘items’ (e.g. things, people or concepts), first by collecting topics that are already the subject of Wikipedia articles in several languages. An item’s central page on Wikidata replaces the complex web of language links which previously connected these articles about the same topic in different Wikipedia versions. Wikidata’s collection of these items now numbers over 10 million. The community also began to enrich Wikidata’s database with factual statements about these topics (data like the mayor of a city, the ISBN of a book, the languages spoken in a country, etc.). This information has now become available for use on Wikipedia itself.
“It is the goal of Wikidata to collect the world’s complex knowledge in a structured manner so that anybody can benefit from it,” said Wikidata project director Denny Vrandečić. “Whether that’s readers of Wikipedia who are able to be up to date about certain facts or engineers who can use this data to create new products that improve the way we access knowledge.”
The next phase of Wikidata will allow for the automatic creation of lists and charts based on the data in Wikidata. Wikimedia Deutschland will continue to support the project with an engineering team that is dedicated to Wikidata’s second year of development and maintenance.

Useful Links

• Wikidata Homepage
• Description of the project
• How volunteers can get involved with Wikidata

Examples of Use

• (Still Very Incomplete) “tree of life” drawn from relations among biological species in Wikidata’s database
• “GeneaWiki” generates a graph showing a person’s family relations as recorded in Wikidata, example: Bach family

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