Decoding Google's Knowledge Graph: 5B entities, 500B facts, 194 access values

gaganghotra_ · x · 2026-10-31

RESONEO's "Understanding Google" series dissects the Knowledge Graph using the 2024 leak: 5 billion entities and 500 billion facts feeding 20+ Google products (Search, AI Overviews, Gemini, Maps, YouTube). Every fact carries a "passport" naming its source and usage contract, flows through the Livegraph write pipeline, and names which of 194 access values can see it (Netflix's catalog differs between Search and Android TV). Google even keeps a list of 54 pizza toppings. Rare primary material for SEOs decoding how Google's AI answers get built.

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