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Search and Data blog

A practical guide to prompt engineering

30/09/2024

In recent times, we often hear more and more about prompt engineering. But what exactly is this technique? When and how can we use it?

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Solr and Kubernetes - Automated Horizontal Scalability Test

08/07/2024

Tests for implementing automated horizontal scalability on a Solr 9 cluster in a Kubernetes environment

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Voxxed Days Luxembourg 2024

28/06/2024

This year again, Voxxed Days did not disappoint expectations. Inside this article, you will find a summary of the talks we attended as viewers and as speakers.

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Connecting your LLM to OpenSearch through connectors.

07/05/2024

Recently, OpenSearch implemented connectors, a functionality that enables connecting a machine learning model without the need to internally deploy it to the cluster. In this blog article we will discover how to use connectors and implement a rag through the utilization of connectors and agents.

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Hello OpenSearch Conference Europe 2024

06/05/2024

The inaugural OpenSearch Conference in Europe takes place in Berlin this May and Adelean is taking part in the event. This page is listing some of our OpenSearch references and talks for you to enjoy during and after the event.

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Understanding the differences between sparse and dense semantic vectors

31/01/2024

More and more frequently, we hear about semantic search and new ways to implement it. In the latest version of OpenSearch (2.11), semantic search through sparse vectors has been introduced. But what does sparse vector mean? How does it differ from dense matrix? Let's try to clarify within this article.

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Java for Elasticsearch, episode 1. Querying the cluster

18/01/2024

Diving into Elasticsearch from the code side is surprisingly straightforward once you get the hang of it. In the inaugural article of this series, we're excited to guide you through establishing a robust three-node cluster and connecting to it securely using self-signed certificates.

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A guide to a full Open-Source RAG

01/12/2023

Delving into Retrieval-Augmented Generation (RAG). In this article we explore the foundational concepts behind RAG, emphasizing its role in enhancing contextual understanding and information synthesis. Moreover, we provide a practical guide on implementing a RAG system exclusively using open-source tools and large language model.

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Return from the DevFest Toulouse conference

19/11/2023

We are back from DevFest Toulouse, an opportunity for us to attend several conferences, train ourselves and share a personalized version of our presentation Cloner ChatGPT with Hugging Face and Elasticsearch.

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The Art of Image Vectorization - A Guide with OpenSearch

01/10/2023

BLIP-2 is a model that combines the strengths of computer vision and large language models. This powerful blend enables users to engage in conversations with their own images and generate descriptive content. In this article, we will explore how to leverage BLIP-2 for creating enriched image descriptions, followed by indexing them as vectors in Opensearch.

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Back from MICES 2023

22/06/2023

The Adelean team is back from the Mix Camp for E-Commerce Search 2023 and shares their takeaways.

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NLP in OpenSearch

18/06/2023

A practical guide about how to import and use NLP models into OpenSearch for text analysis and inference in your search and analytics workflows

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Diving into NLP with the Elastic Stack

01/04/2023

An overview about NLP and a practical guide about how it can be used with the Elastic stack to enhance search capabilities.

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Scaling an online search engine to thousands of physical stores – ElasticON

10/03/2023

A summary of the talk Scaling an online search engine to thousands of physical stores by Roudy Khoury and Aline Paponaud at ElasticON 2023

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Exploring Vector Search with JINA. An Overview and Guide

06/02/2023

Learn about vector search and how to implement it using JINA library, including document arrays for vector embedding, image embedding, and more.

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Question answering,a more human-based approach to our research on all.site.

19/01/2023

Everything about Question-Answering and how to implement it using a flask and elasticsearch.

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Haystack EU 2022 - Berlin

27/09/2022

Haystack is the conference for improving search relevance.

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Feedback - Fine-tuning a VOSK model

05/01/2022

all.site is a collaborative search engine. It works like Bing or Google but it has the advantage of being able to go further by indexing for example media content and organizing data from systems like Slack, Confluence or all the information present in a company's intranet.

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Feedback - Indexing of media file transcripts

17/12/2021

all.site is a collaborative search engine. It works like Bing or Google but it has the advantage of being able to go further by indexing for example media content and organizing data from systems like Slack, Confluence or all the information present in a company's intranet.

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From voice to text, the power of the Open Source ecosystem - return on the OSXP conference

01/12/2021

A summary of the talk Lucian Precup and Aline Paponaud gave at the Open Source Experience conference, with a link to the video, screenshots, photos and more.

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New Search & Data meetup - E-Commerce Search and Open Source

28/10/2021

The fifth edition of the Search and Data meetup is dedicated to e-commerce search and open source. A nice agenda to mark our return to the Meetup scene

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Shipping to Synonym Graph in Elasticsearch

21/04/2021

In this article, we explain how we moved from the old Elasticsearch synonym filters to the new Synonym Graph Token Filter.

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When queries are very verbose

22/02/2021

In this article, we present a simple method to rewrite user queries so that a keyword-based search engine can better understand them. This method is very useful in the context of a voice search or a conversation with a chatbot, context in which user queries are generally more verbose.

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Enrich the data and rewrite the queries with the Elasticsearch percolator

26/04/2019

This article is a transcript of the lightning talk we presented this week at Haystack - the Search and Relevance Conference. We showed a method allowing to enrich and rewrite user queries using Wikidata and the Elasticsearch percolator.

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A2 the engine that makes Elasticsearch great

13/06/2018

Elasticsearch is an open technology that allows integrators to build ever more innovative and powerful solutions. Elasticsearch

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Your own search engine

27/03/2018

Adelean is a search engine integrator. Since 2010, we accompany you in the implementation of efficient and relevant search engines.

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The biggest player in the market is you!

21/03/2018

Many players are present today on the search engine market. Some are emerging thanks to impressive fundraising. Acquisitions and partnerships are multiplying.

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