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Main blog

Welcome to our Main Blog, the cornerstone of our exploration into information retrieval. This dedicated space serves as a comprehensive repository where we delve into our research, findings, and various topics predominantly centered around information retrieval.

apache solr neural search tutorial

Apache Solr Neural Search Tutorial

In this blog post, we show in practice how you use Apache Solr to index and search vectors and then run a full end-to-end neural search.
opensearch neural search plugin tutorial

OpenSearch Neural Search Plugin Tutorial

This blog post explores the new OpenSearch neural search plugin, given a detailed description of it through our end-to-end experience.
large stored fields

Impact of Large Stored Fields on Apache Solr Query Performance

This blog post analyzes and discovers the impact of large stored fields on Apache Solr query performance.
categorical features

Categorical Features in Apache Solr Learning to Rank

In this blog post we present the available learning to rank Apache Solr features with a focus on categorical features and how to manage them.
id discovery

The Missing Piece: ID Discovery in RRE Enterprise

In this post, we describe how RREE correlates between client application identifiers and search engine identifiers.
What is the most appropriate approach to handle queries when splitting data when evaluating learning to rank models

Train and Test Sets Split for Evaluating Learning To Rank Models – Part 2

What is the most appropriate approach to handle queries when splitting data when evaluating learning to rank models?
Query Discovery

Query Discovery in RRE Enterprise

In this post, we will describe how RREE discoveries and correlates the user query with the search engine queries.
Make Explicit Ratings Easy

RRE-Enterprise: Make Explicit Ratings Easy

Did you know you can generate explicit ratings using the plugin JCBP you can find inside Rated Ranking Evaluator Enterprise?
RRE-Enterprise: Evaluation Explore/Compare Dashboard

RRE-Enterprise: Evaluation Explore/Compare Dashboard

This blog is a tutorial to explore the results of a search quality evaluation of Elasticsearch and Solr search engines in RRE-Enterprise.
rre enterprise evaluation overview

RRE-Enterprise: Evaluation Overview Dashboard

This blog is a tutorial on how to visualise the search quality evaluation results of Elasticsearch and Solr search engines in RRE-Enterprise.
Train and Test Sets Split for Evaluating Learning To Rank Models

Train and Test Sets Split for Evaluating Learning To Rank Models

How data splitting can be done and why it is important for the offline evaluation of Learning to Rank models?
run an evaluation

RRE-Enterprise: How to Run an Evaluation

This blog is a tutorial to run a search quality evaluation of Elasticsearch and Solr search engines in RRE-Enterprise.
data collection

RRE-Enterprise: How to Manage Your Data Collections

This blog is a tutorial to define a data collection for search quality evaluation of Elasticsearch and Solr search engines in RRE-Enterprise.
rre enterprise target search engine

RRE-Enterprise: How to Set up Your Target Search Engine

This blog is a tutorial to define your target for search quality evaluation of Elasticsearch and Solr search engines in RRE-Enterprise.

RRE-Enterprise: How to Manage Your Ratings

This blog is a tutorial to define your golden truth for search quality evaluation of Elasticsearch and Solr search engines in RRE-Enterprise.
elasticsearch disk space issue and rollover solution

Elasticsearch Disk Space Issue and Rollover Solution

What is a cluster_block_exception in Elasticsearch? How to solve it? Let's define an index management policy with a rollover strategy.
Have Neural Networks Killed the Inverted Index

Have Neural Networks Killed the Inverted Index?

DeepImpact is a new document term-weighting scheme suitable for efficient sparse retrieval using a standard inverted index.
QueryResultCache and FilterCache in Apache Solr

QueryResultCache and FilterCache in Apache Solr

This blog post explores the internals of Apache Solr queryResultCache and filterCache through practical code examples.