Wikidata

Wikidata is a free online database, sister project to Wikipedia. It’s built on MediaWiki using a technology called Wikibase. User scripts can parse the site via jQuery.

Resources

• Editing Wikidata
  • QuickStatements
  • Wikidata Query Service
• Programming scripts for Wikidata
  • Wikibase documentation (JavaScript)
  • Wikibase documentation (PHP)
  • API documentation
    • Wikibase API (MediaWiki)
    • Wikidata API
    • API sandbox

Backlogs

Lots of public positions have constraint violations listed in their talk pages:

SELECT ?item
WHERE {
  ?item wdt:P31 wd:Q294414 .
}