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Google Cloud Puts BM25 Inside PostgreSQL for Hybrid AI Search

Native BM25 changes the architecture of hybrid retrieval: applications can combine lexical ranking and vector search against the same PostgreSQL data instead of synchronizing two search systems.

2026-09-19#Google Cloud · #AlloyDB

AI & Data3 min read

Embeddings and Vector Search: What They Give You That Keyword Search Cannot

Embeddings turn objects such as text into vectors so systems can compare semantic relationships numerically, but similarity is not the same thing as truth.

2026-09-19#embeddings · #vector search