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Overview Caches Callbacks Documents Document loaders Embeddings Exceptions Language models Serialization Output parsers Prompts Rate limiters Retrievers Runnables Utilities Vector stores

Language

Theme

Pythonlangchain-coreexample_selectorssemantic_similarityMaxMarginalRelevanceExampleSelectorfetch_k

Attribute●Since v0.1

fetch_k

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fetch_k: int = 20

View source on GitHub

Number of examples to fetch to rerank.