Benchmarking JSON Facet Methods in Apache Solr
This blogpost explores the performance impact of DocValues vs. Inverted Index for Apache Solr facets done through JSON facet API.
Nicolò Rinaldi
May 15, 2026
Colbert Comes to Apache Solr: Implementation and Tutorial of Late Interaction Model Reranking
Discover late interaction in Apache Solr: how to implement ColBERT-style neural reranking to boost search accuracy.
Nicolò Rinaldi
April 1, 2026
Late Interaction Comes to Solr: Neural Reranking Introduction
Discover late interaction in Apache Solr: how to implement ColBERT-style neural reranking to boost search accuracy.
Nicolò Rinaldi
April 1, 2026
Apache Solr 10 – What Is New for Vector Search and LTR
This blog summarises the main new features introduced in Apache Solr 10.0.0, focusing on Vector Search and Learning to Rank (LTR).
Ilaria Petreti
March 30, 2026
Apache Solr New Learning To Rank Cache
A comparison between Solr’s current LTR cache and a new implementation that works not only for logging features, but also for reranking.
Anna Ruggero
March 23, 2026
Lexically accelerated vector search: SeededKnnVectorQuery Support in Apache Solr 10
In this blog we explores our recent contribution to Apache Solr that introduces support for SeededKnnVectorQuery.
Ilaria Petreti
February 2, 2026
Binary Quantization of Dense Vectors in Apache Solr
This blog post explores binary vector quantization and the recent Solr contribution which adds support for this technique.
Ilaria Petreti
January 12, 2026
Scalar Quantization of Dense Vectors in Apache Solr
This blog post explores scalar vector quantization and the recent Solr contribution which adds support for this technique.
Ilaria Petreti
January 2, 2026
AI-Powered Search Results Navigation with LLMs & JSON Schema
It explores an AI-powered Filter Assistant to improve User eXperience in navigating search results efficiently and effectively.
Ilaria Petreti
August 20, 2025
Why Solr More Like This Ignores Your copyField – How to Deal With It
This blog post explains a workaround implemented in Solr’s CloudMLTQParser to handle fields populated via copyField.
Ilaria Petreti
July 1, 2025
We are Sease, an Information Retrieval Company based in London, focused on providing R&D project guidance and implementation, Search consulting services, Training, and Search solutions using open source software like Apache Lucene/Solr, Elasticsearch, OpenSearch and Vespa.
