We stand with Ukraine to help keep people safe. Join us
All Apps
Best AppsReviewsComparisonsHow-To
When you purchase through links on our site, we may earn an affiliate commission
HomeDeveloper ToolsApache Lucene

Apache Lucene for Mac

Open-source search engine library written entirely in Java.

Free
In English
Version 9.2.0

Apache Lucene overview

Apache Lucene

is a high-performance, full-featured search engine library written entirely in Java. It is a technology suitable for nearly any application that requires structured search, full-text search, faceting, nearest-neighbor search across high-dimensionality vectors, spell correction or query suggestions.

Apache Lucene is an open source project available for free download. Please use the links on the right to access Lucene.

Main features:
  • Scalable, High-Performance Indexing
    • Over 800GB/hour on modern hardware
    • Small RAM requirements -- only 1MB heap
    • Incremental indexing as fast as batch indexing
    • Index size roughly 20-30% the size of text indexed
  • Powerful, Accurate and Efficient Search Algorithms
    • Ranked searching -- best results returned first
    • Many powerful query types: phrase queries, wildcard queries, proximity queries, range queries and more
    • Fielded searching (e.g. title, author, contents)
    • Nearest-neighbor search for high-dimensionality vectors
    • Sorting by any field
    • Multiple-index searching with merged results
    • Allows simultaneous update and searching
    • Flexible faceting, highlighting, joins and result grouping
    • Fast, memory-efficient and typo-tolerant suggesters
    • Pluggable ranking models, including the Vector Space Model and Okapi BM25
    • Configurable storage engine (codecs)
  • Cross-Platform Solution
    • Available as Open Source software under the Apache License which lets you use Lucene in both commercial and Open Source programs
    • 100%-pure Java
    • Implementations in other programming languages available that are index-compatible
    >
  • What’s new in version 9.2.0

    • Numerous improvements to indexing and query performance for KNN vectors
    • More efficient implementations for count operations on range queries
    • A new FieldExistsQuery that chooses the best index structures to run over for you
    • A new Persian stemmer

    Apache Lucene for Mac

    Free
    In English
    Version 9.2.0

    What users say about Apache Lucene

    Try our new feature and write a detailed review about Apache Lucene

    Write your thoughts in our old-fashioned comment

    MacUpdate Comment Policy. We strongly recommend leaving comments, however comments with abusive words, bullying, personal attacks of any type will be moderated.
    0.0

    (0 Reviews of Apache Lucene)

    There are no reviews yet
    • Comments

    • User Ratings

    Help the community
    There are no reviews yet, be the first to leave one
    Help the community
    There are no ratings yet, be the first to leave one

    How would you rate Apache Lucene?