Hybrid Search Using a Custom Algorithm in Apache Solr
This blog post explores the Combined Query Feature using a custom algorithm in Apache Solr with a hands-on approach.
Ilaria Petreti
March 9, 2026
Hybrid Search with Reciprocal Rank Fusion in Apache Solr
We explore the Combined Query Feature using Reciprocal Rank Fusion in Apache Solr with a hands-on approach.
Ilaria Petreti
March 3, 2026
Apache Solr Multivalued Vectors Tutorial
A quick tutorial to give you all the knowledge needed to work with multivalued vectors in Apache Solr.
Nicolò Rinaldi
February 17, 2026
Protected: Bloomberg Sponsorship Spotlight: Our Latest Apache Solr Contributions
There is no excerpt because this is a protected post.
Lisa Biella
February 12, 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
London Information Retrieval & AI Meetup [February 2026]
Let’s announce the twenty-third edition of the London Information Retrieval & AI Meetup, a hybrid event about Information Retrieval.
Lisa Biella
January 29, 2026
Searching Children, Finding Parents: Nested KNN Vector Search in Solr
New feature coming to Solr v10.x: KNN search on nested vectors via Block Join. KNN Block Join query enables searching across specific child paragraphs and surfacing the most relevant parent documents in a single request.
Nazerke Seidan
January 15, 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
Retrieval and Responsibility: The Ethics of Augmented Knowledge
As companies rush to embed generative AI into search, support, and decision-making, the real competitive edge won’t come from scale alone, but from how responsibly
Lisa Biella
December 9, 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.
