Relevance

February 20, 2026

Ensuring semantic precision with minimum score

Improve semantic precision by employing minimum score thresholds. The article includes concrete examples for semantic and hybrid search.

Ensuring semantic precision with minimum score
An open‑source Hebrew analyzer for Elasticsearch lemmatization

February 17, 2026

An open‑source Hebrew analyzer for Elasticsearch lemmatization

An open-source Elasticsearch 9.x analyzer plugin that improves Hebrew search by lemmatizing tokens in the analysis chain for better recall across Hebrew morphology.

Query rewriting strategies for LLMs and search engines to improve results

January 30, 2026

Query rewriting strategies for LLMs and search engines to improve results

Exploring query rewriting strategies and explaining how to use the LLM's output to boost the original query's results and maximize search relevance and recall.

All about those chunks, ’bout those chunks, and snippets!

January 26, 2026

All about those chunks, ’bout those chunks, and snippets!

Exploring chunking and snippet extraction for LLMs, highlighting enhancements for identifying the most relevant chunks and snippets to send to models such as rerankers and LLMs.

Hybrid search and multistage retrieval in ES|QL

January 8, 2026

Hybrid search and multistage retrieval in ES|QL

Explore the multistage retrieval capabilities of ES|QL, using FORK and FUSE commands to integrate hybrid search with semantic reranking and native LLM completions.

Evaluating search query relevance with judgment lists

December 11, 2025

Evaluating search query relevance with judgment lists

Explore how to build judgment lists to objectively evaluate search query relevance and improve performance metrics such as recall, for scalable search testing in Elasticsearch.

How to improve e-commerce search relevance with personalized cohort-aware ranking

December 10, 2025

How to improve e-commerce search relevance with personalized cohort-aware ranking

Improve e-commerce search relevance with explainable, cohort-aware ranking in Elasticsearch. Learn how multiplicative boosting delivers stable, predictable personalization at query time.

Hybrid search without the headache: simplifying hybrid search with retrievers

November 27, 2025

Hybrid search without the headache: simplifying hybrid search with retrievers

Explore how to simplify hybrid search in Elasticsearch with a multi-field query format for linear and RRF retrievers, and create queries with no previous knowledge about your Elasticsearch index.

You Know, for Context - Part I: The evolution of hybrid search and context engineering

November 12, 2025

You Know, for Context - Part I: The evolution of hybrid search and context engineering

Explore how hybrid search and context engineering have evolved from lexical foundations to enable the next generation of agentic AI workflows.

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