TLDR Tech / DevOps
Amazon S3 Vectors now supports metadata pre-filtering for higher recall on filtered searches
AWS has introduced metadata pre-filtering for Amazon S3 Vectors to improve recall on filtered queries. The feature evaluates metadata filters before running a similarity search and supports up to 100 filter constraints per query. On highly selective filters, pre-filtering returns up to five times more matching vectors than previous methods. It is available immediately at no additional cost and works on existing indexes without requiring data re-ingestion.
Read the full story