+Wikidata.org is a free, open [Knowledge Base](/wiki/knowledge_base) that serves as a central storage for structured data. It powers [Wikipedia](/wiki/wikipedia) and other Wikimedia projects, offering a shared source of factual information for all.
+## See also
+- [Semantic Web](/wiki/semantic_web)
+- [Linked Data](/wiki/linked_data)
+- [Open Data](/wiki/open_data)
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