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!
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.
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.
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.
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.
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.
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.
November 5, 2025
The impact of relevance in context engineering for AI agents
Discover how hybrid retrieval, semantic chunking, and agentic search improve LLM performance by managing context relevance efficiently.
September 15, 2025
Balancing the scales: Making reciprocal rank fusion (RRF) smarter with weights
Exploring weighted reciprocal rank fusion (RRF) in Elasticsearch and how it works through practical examples.