Tagged “retrieval”
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Reranking
A second scoring pass that reorders an already-retrieved candidate set using a slower, more accurate model that reads query and document together.
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Vector Index
A data structure that stores embeddings and finds the ones nearest to a query vector without comparing against every stored vector.
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Chunk
A unit of text stored and retrieved as a single item in a retrieval system — the smallest thing a search can return. No standard size exists.