ML Research

Unsupervised document clustering with Elasticsearch + Jina embeddings

A practical, reproducible approach to unsupervised document clustering with Elasticsearch and Jina embeddings.

Unsupervised document clustering with Elasticsearch + Jina embeddings
Automating log parsing in Streams with ML

January 2, 2026

Automating log parsing in Streams with ML

Learn how a hybrid ML approach achieved 94% log parsing and 91% log partitioning accuracy through automation experiments with log format fingerprinting in Streams.

Generating filters and facets using ML

Generating filters and facets using ML

Exploring the pros and cons of automating the creation of filters and facets in a search experience using ML models vs the classical hard-coded approach.

Implementing clustering workflows in Elastic to enhance search relevance

February 5, 2025

Implementing clustering workflows in Elastic to enhance search relevance

We demonstrate how to integrate custom clustering models into the Elastic Stack by leveraging OpenAI text-ada-002 vectors, streamlining the workflow within Elastic’s ecosystem.

Early termination in HNSW for faster approximate KNN search

January 7, 2025

Early termination in HNSW for faster approximate KNN search

Learn how HNSW can be made faster for KNN search, using smart early termination strategies.

Understanding optimized scalar quantization

December 19, 2024

Understanding optimized scalar quantization

In this post, we explain a new form of scalar quantization we've developed at Elastic that achieves state-of-the-art accuracy for binary quantization.

cRank it up! - Introducing the Elastic Rerank model (in Technical Preview)

December 10, 2024

cRank it up! - Introducing the Elastic Rerank model (in Technical Preview)

Get started in minutes with the Elastic Rerank model: powerful semantic search capabilities, with no required reindexing, provides flexibility and control over costs; high relevance, top performance, and efficiency for text search.

Exploring depth in a 'retrieve-and-rerank' pipeline

December 5, 2024

Exploring depth in a 'retrieve-and-rerank' pipeline

Select an optimal re-ranking depth for your model and dataset.

Introducing Elastic Rerank: Elastic's new semantic re-ranker model

November 25, 2024

Introducing Elastic Rerank: Elastic's new semantic re-ranker model

Learn about how Elastic's new re-ranker model was trained and how it performs.

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