Category: Hybrid Search

Articles tagged Hybrid Search

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From vectors to keywords: Elasticsearch hybrid search in LangChain

Learn how to use hybrid search in LangChain via its Elasticsearch integrations, with complete Python and JavaScript examples.

Margaret Gu

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.

Christina Nasika

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.

Ioana Tagirta

Building a ChatGPT connector with Elasticsearch to query GitHub issues

Learn how to build a custom ChatGPT connector and deploy an Elasticsearch MCP server that uses hybrid search to query internal GitHub issues.

Tomás Murúa

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.

Mike Pellegrini

You Know, for Context - Part III: The power of hybrid search in context engineering

Discover how to use context engineering and hybrid search to improve AI output accuracy with aggregations, RBAC, and non-content signals.

Woody Walton

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.

Woody Walton

Multimodal search for mountain peaks with Elasticsearch and SigLIP-2

Learn how to implement text-to-image and image-to-image multimodal search using SigLIP-2 embeddings and Elasticsearch kNN vector search. Project focus: finding Mount Ama Dablam peak photos from an Everest trek.

Navneet Kumar

Experiments in improving Agentic AI tools for Elasticsearch

Learn how we improved AI agent workflows for Elasticsearch through iterative experiments by combining linear retrievers, hybrid search, and semantic_text for scalable RAG optimization.

Sean Story

Hybrid search revisited: introducing the linear retriever in Elasticsearch!

Discover how the linear retriever enhances hybrid search by leveraging weighted scores and MinMax normalization for more precise and consistent rankings, and learn how to use it.

Panagiotis Bailis

First to hybrid search: with Elasticsearch and Semantic Kernel

Learn how use hybrid search and the Semantic Kernel connector with Elasticsearch to improve retrieval results.

Enrico Zimuel

Built with Elastic: Hybrid search for Cypris – the world’s largest innovation database

Discover how Cypris optimized hybrid search in Elasticsearch to handle 500M vectors, cutting query times from 60 seconds down to 5–10 seconds using binary quantization and segment tuning.

Elastic Team