Wikidata is a document-oriented database, focusing on items, which represent any kind of topic, concept, or object. Each item is allocated a unique, persistent identifier, a positive integer prefixed with the upper-case letter Q, known as a "QID".

The first step in extracting data from Wikidata is to write a SPARQL query. SPARQL is a query language for RDF data that allows you to query and retrieve data from RDF triplestores. Wikidata exposes a SPARQL endpoint that allows you to query the data using SPARQL.

While in principle Wikipedia's text is subject to the Creative Commons Attribution-ShareAlike License and, generally, the GNU Free Documentation License and can be used free of charge for any purpose so long as licensing terms are met, other media (including images) are sometimes identified as being subject to other ...

Put simply, a wiki is a website, database or online community that is managed by its users. Accordingly, any user is able to add, edit or remove content.