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Vector search in Elasticsearch: The rationale behind the design
Elasticsearch Labs

Vector search in Elasticsearch: The rationale behind the design

In this blog, you'll learn how vector search has been integrated into Elasticsearch and the trade-offs that we made.

Adrien Grand
Improving information retrieval in the Elastic Stack: Hybrid retrieval
Elasticsearch Labs

Improving information retrieval in the Elastic Stack: Hybrid retrieval

In this blog we introduce hybrid retrieval and explore two concrete implementations in Elasticsearch. We explore improving Elastic Learned Sparse Encoder’s performance by combining it with BM25 using Reciprocal Rank Fusion and Weighted Sum of Scores.

Quentin Herreros
Improving information retrieval in the Elastic Stack: Steps to improve search relevance
Elasticsearch Labs

Improving information retrieval in the Elastic Stack: Steps to improve search relevance

In this first blog post, we will list and explain the differences between the primary building blocks available in the Elastic Stack to do information retrieval.

Grégoire Corbière
Improving information retrieval in the Elastic Stack: Benchmarking passage retrieval
Elasticsearch Labs

Improving information retrieval in the Elastic Stack: Benchmarking passage retrieval

In this blog post, we'll examine benchmark solutions to compare retrieval methods. We use a collection of data sets to benchmark BM25 against two dense models and illustrate the potential gain using fine-tuning strategies with one of those models.

Grégoire Corbière
Relativity uses Elasticsearch and Azure OpenAI to build AI search experiences
Elasticsearch Labs

Relativity uses Elasticsearch and Azure OpenAI to build AI search experiences

With Elasticsearch Relevance Engine, you can create AI-powered search apps. Learn how Relativity uses Elastic & Azure Open AI for this goal.

Hemant Malik
Exploring vector databases: how to get the best of lexical and AI-powered search with Elastic’s vector database
Elasticsearch Labs

Exploring vector databases: how to get the best of lexical and AI-powered search with Elastic’s vector database

Learn about the concepts related to vector databases, how they work and how to get the best out of lexical & AI search with Elastic’s vector database.

Bernhard Suhm
Open-sourcing sysgrok — An AI assistant for analyzing, understanding, and optimizing systems
Elasticsearch Labs

Open-sourcing sysgrok — An AI assistant for analyzing, understanding, and optimizing systems

Sysgrok is an experimental proof-of-concept, intended to demonstrate how LLMs can be used to help SWEs and SREs understand systems, debug issues, and optimize performance.

Sean Heelan
The generative AI societal shift: Elastic's Gen AI & LLMs journey
Elasticsearch Labs

The generative AI societal shift: Elastic's Gen AI & LLMs journey

Learn how Elastic is at the forefront of the generative AI & Large Language Models (LLMs) revolution, helping users take LLMs to new...

Jeff Vestal
Logs: Understanding TLS errors with ESRE and generative AI
Elasticsearch Labs

Logs: Understanding TLS errors with ESRE and generative AI

Here's how to set up and use the Elasticsearch Relevance Engine (ESRE) with its Elastic Learned Sparse Encoder capability for log analysis and probe TLS issues.

David Hope
Accessing machine learning models in Elastic
Elasticsearch Labs

Accessing machine learning models in Elastic

Explore the machine learning (ML) models supported in Elastic, the Eland library for loading models and how to apply transformers & NLP in Elastic.

Bernhard Suhm
Improving information retrieval in the Elastic Stack: Introducing Elastic Learned Sparse Encoder, our new retrieval model
Elasticsearch Labs

Improving information retrieval in the Elastic Stack: Introducing Elastic Learned Sparse Encoder, our new retrieval model

Learn about the Elastic Learned Sparse Encoder (ELSER), its retrieval performance, architecture, and training process.

Thomas Veasey
Introducing Elastic Learned Sparse Encoder: Elastic’s AI model for semantic search
Elasticsearch Labs

Introducing Elastic Learned Sparse Encoder: Elastic’s AI model for semantic search

Learn about the Elastic Learned Sparse Encoder (ELSER), an AI model for high relevance semantic search across domains.

Aris Papadopoulos