Unverified50% confidenceFactExact time

稠密检索配合ANN索引技术（如HNSW、FAISS）能在百万乃至十亿级向量中实现毫秒级召回

1

Sources

50%

Confidence

Long-term

Relevance

8/31/2026

First Seen

Sources

检索系统七次演进：从BM25到生成式检索的完整技术脉络

Related Entities

ANNtechnology HNSWtechnology FAISStechnology

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