CloudAWS Newsabout 2 hours ago
AWS S3 Vectors Adds Metadata Pre-Filtering
6 min read
Amazon S3 Vectors now supports metadata pre-filtering, evaluating filters before similarity search to boost recall on scoped queries. Each vector carries up to 2 KB of filterable metadata, and a query supports 100 filter constraints. On highly selective filters, pre-filtering returns up to 5x more matching vectors. It is available at no extra cost in all commercial AWS Regions and AWS China Regions.
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