Knowledge Graph
Google's database of entities — people, places, organisations, things — and the relationships between them.
The Knowledge Graph powers knowledge panels and helps Google understand which real-world thing a page or query refers to. Consistent information about an organisation across its own site, structured data and trusted third-party sources helps it be recognised as an entity.
Entity understanding matters more as AI systems answer questions directly: they describe entities, and need to be confident which one they are describing.
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