The luceneMatchVersion parameter in the Apache Solr solrconfig.xml specifies a reference Apache Lucene version to use to affect some of the internal components.Apache Solr uses Apache Lucene as an internal library, the binaries of an Apache Solr release are coupled with a specific versioned Lucene library. e.g.Apache Solr 8.8.1 release uses Apache Lucene 8.8.1 librariesYou…
Apache Lucene/Solr have been central to me for the last 10 years:I am honoured to announce I am now an APACHE LUCENE/SOLR COMMITTER ! And I am happy 🙂
This blog post is about our latest contribution to the Apache Lucene/Solr project:introducing the ability of assigning different weights to synonyms.This contribution aims to help users that deal with complex synonyms dictionaries where it’s important to associate a numerical weight to each of them, for example to boost the ones that are more important in…
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Introduction This blog post is about the Lucene Inverted Index and how Apache Solr internally works. When playing with Solr systems, understanding and properly configuring the underline Lucene Index is fundamental to deeply control your search.With a better knowledge of how the index looks like and how each component is used, you can build a…
Introduction This blog post describes the approach used in the Lucene Classification module to adapt text classification to document ( multi field ) classification. Machine Learning and Search have been always strictly associated.Machine Learning can help to improve the Search Experience in a lot of ways, extracting more information from the corpus of documents, auto…
