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Sparse Retrieval

Embeddings & Vector Search · Level 3 of 5

Sparse Retrieval

Retrieval using representations with many zero entries, often tied to vocabulary terms.

Sparse lexical signals can be useful for exact terms and rare identifiers.

Example

A query matches documents through weighted word occurrences.

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Audio transcript

Sparse Retrieval. Retrieval using representations with many zero entries, often tied to vocabulary terms. Sparse lexical signals can be useful for exact terms and rare identifiers. For example: A query matches documents through weighted word occurrences.

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