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    • Start here
    • Learning paths5 paths
    • Modules11 modules
    • Projects5 projects
    • Quizzes
    • Flashcards
    • Homework
    • Interview prep8 question banks
    • Cheat sheets11 sheets
    • Glossary239 terms
    • Code snippets
    • Ask the mentor
    • My notes
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  1. Reference
  2. Approximate nearest neighbor (ANN) search

Glossary

Approximate nearest neighbor (ANN) search

Finding very close, though not always the closest, vectors with an index. You trade some recall for lower latency and memory.

  • Also written as: ANN

Where it is explained

  • Vector databasesEmbeddings and vector search

See also

Terms explained in the same lessons.

  • ef_search
  • Exact search
  • HNSW
  • IVF
  • nprobe
  • pgvector
Previous termAPI-only modelNext termAutoregressive generation

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GGenerative AI

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