Описание тега wikidata

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Wikidata is a free, collaborative, multilingual database, collecting structured data to provide support for Wikipedia, Wikimedia Commons, and the other wikis of the Wikimedia movement. One can retrieve all data using Wikidata Query Service (Wikidata SPARQL endpoint) or Wikidata API (Wikidata MediaWiki API extension). If you are completely new both to SPARQL and MediaWiki API, please consider to ask your question on opendata.stackexchange.com.

Wikidata is a free, collaboratively edited knowledge base operated by the Wikimedia Foundation. It is intended to provide a common source of certain data types (for example, birth dates) which can be used by Wikimedia projects such as Wikipedia. This is similar to the way Wikimedia Commons provides storage for media files and access to those files for all Wikimedia projects.

Concepts:

Wikidata is a document-oriented database, focused around items. Each item represents a topic (or an administrative page used to maintain Wikipedia) and is identified by a unique number, prefixed with the letter Q — for example, the item for the topic Politics is Q7163. This enables the basic information required to identify the topic the item covers to be translated without favouring any one language.

Information is added to items by creating statements. Statements take the form of key-value pairs, with each statement consisting of a property (the key) and a value linked to the property.

https://stackru.com/images/b84100c21799677f8ae31f81315b1b6476b279d6.png

Further reference: