Unverified50% confidenceFactExact time
HNSW builds a multi-layer graph structure where the top layer is sparse for coarse localization and the bottom layer is dense for precise search; during queries, it greedily jumps to neighbors from the top-layer entry point and descends layer by layer.
1
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50%
Confidence
Long-term
Relevance
10/11/2026
First Seen
Sources
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