Apache Lucene
 |
|
| Developer(s) | Apache Software Foundation |
|---|---|
| Initial release | 1999 |
| Stable release |
6.5.1 / April 27, 2017
|
| Development status | Active |
| Written in | Java |
| Operating system | Cross-platform |
| Type | Search and index |
| License | Apache License 2.0 |
| Website | lucene |
Apache Lucene is a free and open-source information retrieval software library, originally written completely in Java by Doug Cutting. It is supported by the Apache Software Foundation and is released under the Apache Software License.
Lucene has been ported to other programming languages including Object Pascal, Perl, C#, C++, Python, Ruby and PHP.
Doug Cutting originally wrote Lucene in 1999. It was initially available for download from its home at the SourceForge web site. It joined the Apache Software Foundation's Jakarta family of open-source Java products in September 2001 and became its own top-level Apache project in February 2005.
Lucene formerly included a number of sub-projects, such as Lucene.NET, Mahout, Tika and Nutch. These three are now independent top-level projects.
In March 2010, the Apache Solr search server joined as a Lucene sub-project, merging the developer communities.
Version 4.0 was released on October 12, 2012.
The latest version of Lucene is 6.5.1 which was released on April 27, 2017.
While suitable for any application that requires full text indexing and searching capability, Lucene has been widely recognized for its utility in the implementation of Internet search engines and local, single-site searching.
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