This is a cache of https://www.elastic.co/search-labs/blog/category/vector-database. It is a snapshot of the page at 2025-08-23T07:02:41.974+0000.
Vector Database - <strong>elasticsearch</strong> Labs

Vector Database

August 12, 2025

Beyond similar names: How elasticsearch semantic text exceeds OpenSearch semantic field in simplicity, efficiency, and integration

Comparing elasticsearch semantic text and OpenSearch semantic field in terms of simplicity, configurability, and efficiency.

Beyond similar names: How Elasticsearch semantic text exceeds OpenSearch semantic field in simplicity, efficiency, and integration
Using Direct IO for vector searches

August 8, 2025

Using Direct IO for vector searches

Using rescoring for kNN vector searches improves search recall, but can increase latency. Learn how to reduce this impact by leveraging direct IO.

Elasticsearch now with BBQ by default & ACORN for filtered vector search

elasticsearch now with BBQ by default & ACORN for filtered vector search

Explore how elasticsearch's vector search now delivers better results faster, and at a lower cost.

Diversifying search results with Maximum Marginal Relevance

Diversifying search results with Maximum Marginal Relevance

Implementing the Maximum Marginal Relevance (MMR) algorithm with elasticsearch and Python. This blog includes code examples for vector search reranking.

Semantic text is all that and a bag of (BBQ) chips! With configurable chunking settings and index options

Semantic text is all that and a bag of (BBQ) chips! With configurable chunking settings and index options

Semantic text search is now customizable, with support for customizable chunking settings and index options to customize vector quantization, making semantic_text more powerful for expert use cases.

Elasticsearch open inference API adds support for IBM watsonx.ai rerank models

elasticsearch open inference API adds support for IBM watsonx.ai rerank models

Exploring how to use IBM watsonx™ reranking when building search experiences in the elasticsearch vector database.

Mapping embeddings to Elasticsearch field types: semantic_text, dense_vector, sparse_vector

May 13, 2025

Mapping embeddings to elasticsearch field types: semantic_text, dense_vector, sparse_vector

Discussing how and when to use semantic_text, dense_vector, or sparse_vector, and how they relate to embedding generation.

How to implement Better Binary Quantization (BBQ) into your use case and why you should

April 23, 2025

How to implement Better Binary Quantization (BBQ) into your use case and why you should

Exploring why you would implement Better Binary Quantization (BBQ) in your use case and how to do it.

Elasticsearch BBQ vs. OpenSearch FAISS: Vector search performance comparison

April 15, 2025

elasticsearch BBQ vs. OpenSearch FAISS: Vector search performance comparison

A performance comparison between elasticsearch BBQ and OpenSearch FAISS.

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