Wikidata represents the underlying basement of Wikipedia, it's the collaboratively edited knowledge base filling up Wikipedia with data. Querying Wikidata enables you to gain access to to a universe of information, just in case you know how to answer the right questions.

This session provides an insight to wikidata/wikimedia queries by SPARQL, the semantic query language from W3C.

Live from the balkony/PSConfEU 2020:
Vimeo URL
https://vimeo.com/423297546
Youtube URL
https://youtu.be/b7erBmbaVR4