Amazon S3 Vectors now supports metadata pre-filtering for higher recall on filtered searches

Amazon S3 Vectors adds metadata pre-filtering, which applies filters before similarity search and delivers up to 5x higher recall on filtered searches. The feature targets retrieval-augmented generation, agentic applications, and document search.

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  1. AWS News Blog

    Amazon S3 Vectors now supports metadata pre-filtering for higher recall on filtered searches

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