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; | ;The Wikidata revolution is here: enabling structured data on Wikipedia | ||
[[File: | [[File:Wikidata-logo-en.svg|thumb|200px|right|Wikidata logo]] | ||
[http:// | ''This post was written by Tilman Bayer, Senior Operations Analyst of the Wikimedia Foundation. It was [http://blog.wikimedia.org/2013/04/25/the-wikidata-revolution/ originally posted on the Foundation’s blog here].'' | ||
A year after [https://blog.wikimedia.org/2012/03/30/the-wikipedia-data-revolution/ 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. | |||
“Wikidata is a powerful tool for keeping information in Wikipedia current across all language versions,” said Wikimedia Foundation Executive Director Sue Gardner. “Before Wikidata, Wikipedians needed to manually update hundreds of Wikipedia language versions every time a famous person died or a country’s leader changed. With Wikidata, such new information, entered once, can automatically appear across all Wikipedia language versions. That makes life easier for editors and makes it easier for Wikipedia to stay current.” | |||
The Wikidata entry on Johann Sebastian Bach (as displayed in the “Reasonator” tool), containing among other data the composer’s places of birth and death, family relations, entries in various bibliographic authority control databases, a list of compositions, and public monuments depicting him. | |||
The project | The dream of a wiki-based, collaboratively edited repository of structured data that could be reused in Wikipedia infoboxes goes back to at least 2004, when Wikimedian Erik Möller ([http://wikimediafoundation.org/wiki/User:Eloquence now the deputy director of the Wikimedia Foundation]) posted a [https://meta.wikimedia.org/wiki/Wikidata/Archive/Wikidata/historical detailed proposal] for such a project. The following years saw work on related efforts like the [https://en.wikipedia.org/wiki/Semantic_MediaWiki Semantic MediaWiki extension], and discussions of how to implement a central data repository for Wikimedia intensified in [https://en.wikipedia.org/wiki/Wikipedia:Wikipedia_Signpost/2010-08-09/Technology_report#A_centralised_.22data_wiki.22 2010] and [https://meta.wikimedia.org/wiki/Data_summit_2011 2011]. | ||
The development of Wikidata began in March 2012, led by Wikimedia Deutschland, the German chapter of the Wikimedia movement. Since [https://www.wikidata.org/ 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 that 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, and Wikipedians on many language Wikipedias have already started to add it to articles, or discuss how to make best use of it. Continues... | |||
<span class="plainlinks">[http://blog.wikimedia.org.uk/2013/04/ | <span class="plainlinks">[http://blog.wikimedia.org.uk/2013/04/the-wikidata-revolution-is-here-enabling-structured-data-on-wikipedia/ <nowiki>[</nowiki>...<nowiki>]</nowiki>]</span> | ||
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Revision as of 22:34, 26 April 2013
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