# foundational

> Browse 1 item tagged with foundational.

## Items

- [HNSW — Efficient and Robust ANNS Using Hierarchical Navigable Small World Graphs](https://vectordb.ever.works/items/hnsw-efficient-and-robust-anns-using-hierarchical-navigable-small-world-graphs) — Foundational TPAMI 2018 paper introducing Hierarchical Navigable Small World (HNSW) graphs, one of the most widely adopted approximate nearest neighbor search algorithms. The hierarchical multi-layer graph structure enables logarithmic-time search with high recall.

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