# pg_embedding - PostgreSQL의 벡터 유사성 검색에 HNSW를 지원하는 확장

> Clean Markdown view of GeekNews topic #9880. Use the original source for factual precision when an external source URL is present.

## Metadata

- GeekNews HTML: [https://news.hada.io/topic?id=9880](https://news.hada.io/topic?id=9880)
- GeekNews Markdown: [https://news.hada.io/topic/9880.md](https://news.hada.io/topic/9880.md)
- Type: news
- Author: [xguru](https://news.hada.io/@xguru)
- Published: 2023-07-19T10:51:01+09:00
- Updated: 2023-07-19T10:51:01+09:00
- Original source: [github.com/neondatabase](https://github.com/neondatabase/pg_embedding)
- Points: 10
- Comments: 0

## Topic Body

- Hierarchical Navigable Small World (HNSW) 그래프 알고리듬  
  - 벡터 유사성 검색에서 최고의 성능을 보여주는 인덱스중 하나   
- ibf-hnsw 구현체 기반 ("Inverted Indices for Billion-Scale Approximate Nearest Neighbors")

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