lucene
Apache Lucene is a full-featured text search engine library developed with the Java language. Offering high-performance search capabilities, this software allows developers to add text-based indexing and search functions to their applications. The project uses a Gradle-based building system and operates with the JDK 25 requirement.
apache · Search Engines
Common commercial products in this category: Algolia, Elastic Cloud, Azure AI Search
- You create text-based indexing systems for your applications.
- You make quick, comprehensive searches on the big data cluster.
- You integrate customizable search engine functions into Java projects.
- • High number of open issues (2,730)
- • NeutralHacker News
Tantivy – full-text search engine library inspired by Apache Lucene
“As someone who's used Lucene and Solr extensively, my biggest wishlist item has been support for upgrades. Typically Lucene (and Solr, and ES) indexes cannot be upgraded to new versions (it is possible in some cases, but let's ignore that for convenience). For many large…”
- • NeutralHacker News
Tantivy – full-text search engine library inspired by Apache Lucene
“AFAIK, PostgreSQL doesn't provide a way to get the IDF of a term, which makes its ranking function pretty limited. tf-idf (and its varians, like Okapi BM25) are kinda table stakes for an information retrieval system IMO. I'm not saying PostgreSQL's functionality is useless, but…”
My note
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