# Hybrid search across millions of SKUs on Elasticsearch: how the

Canonical: https://kt.team/instruments/elasticsearch/industry-solutions/marketplace-product-discovery

An open breakdown of how Elasticsearch is used to build hybrid search (BM25 + vectors + RRF) with personalized ranking via Learning to Rank for catalogs

## What it is used for

An open breakdown of how Elasticsearch is used to build hybrid search (BM25 + vectors + RRF) with personalized ranking via Learning to Rank for catalogs

## Enterprise implementation

An open breakdown of how Elasticsearch is used to build hybrid search (BM25 + vectors + RRF) with personalized ranking via Learning to Rank for catalogs

## Integration and support

An open breakdown of how Elasticsearch is used to build hybrid search (BM25 + vectors + RRF) with personalized ranking via Learning to Rank for catalogs

## Next step

An open breakdown of how Elasticsearch is used to build hybrid search (BM25 + vectors + RRF) with personalized ranking via Learning to Rank for catalogs