There are 3 repositories under solr-plugin topic.
Jcseg is a light weight NLP framework developed with Java. Provide CJK and English segmentation based on MMSEG algorithm, With also keywords extraction, key sentence extraction, summary extraction implemented based on TEXTRANK algorithm. Jcseg had a build-in http server and search modules for lucene,solr,elasticsearch,opensearch
A text tagger based on Lucene / Solr, using FST technology
Dice Solr Plugins from Simon Hughes Dice.com
Vector Plugin for Solr: calculate dot product / cosine similarity on documents
Examples of Solr configuration entries for Solr plugins and Conceptual Search\Semantic Search from Simon Hughes Dice.com
Dice.com's relevancy feedback solr plugin created by Simon Hughes (Dice). Contains request handlers for doing MLT style recommendations, conceptual search, semantic search and personalized search
Efficient indexing and retrieval of OCR bounding boxes in Solr
Generalized Translation Models in the Probabilistic Relevance Framework implemented in Lucene & Solr
Integrates Micrometer with various components of the Alfresco ecosystem, allowing export of metrics to numerous monitoring systems.
Reranks and expands Solr query returns using clickstream data
Solr / Lucene Bangla Analyzer, Stem Filter, Stemmer.
A simple forward authentication plugin for Solr
Module for Omeka S that implements a Solr adapter for the Search module
An Information Retrieval system for searching research publications, papers or articles using Apache Solr
MongoDB plugin for Solr Data Import
A tokenizer for Apache Lucene to index tagged text
A Suggester based on the Solr FreeTextLookupFactory that returns the collates of the parsed query with suggestions obtained by the same way as implemented by the Free Text Suggester. To improve the user experience the suggested part of the returned query is highlighted.