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

Putting LIRE into Solr - an ongoing project

Dice Solr Plugins from Simon Hughes Dice.com

Yet Another Solr Admin

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

Tune Solr-rankings with Clojure code.

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.

A simple forward authentication plugin for Solr

Reranks and expands Solr query returns using clickstream data

Solr / Lucene Bangla Analyzer, Stem Filter, Stemmer.

A solr plugin for ingesting oai-pmh records.

Module for Omeka S that implements a Solr adapter for the Search module

MongoDb plugin for Solr Data Import

An Information Retrieval system for searching research publications, papers or articles using Apache Solr

Elevation Query Extension