Definition - What does Apache Lucene mean?
Apache Lucene is an open source project for a high performance and full-featured text search engine library which is written entirely using Java.
It is capable of full-text search within documents so it is a technology that is suitable for any application which requires this feature, especially if it is cross-platform.
It was first developed by Doug Cutting in 1999 and became officially part of the Apache Foundation’s Jakarta family of open source Java projects in September 2001. It was upgraded to a top level Apache project in February 2005.
Techopedia explains Apache Lucene
Any text from formats such as MS Word, HTML, XML, PDF, and OpenDocument can be indexed as long as the textual information can be extracted, which means that it cannot do anything with images.
Lucene is suitable for any application that needs a full text indexing and search capability, but it is widely recognized as a great utility for implementing Internet search engines and for local, single-site searching.
- Scalable and high performance indexing - it can process over 150 Gb per hour on modern hardware and requires only 1 Mb per heap of memory requirements.
- Powerful, accurate and efficient search algorithms - it offers many types of powerful queries such as phrase, wildcard, proximity, and range queries. It also has fielded searching and sorting by any field.
- Cross platform - pure Java implementation and also available in other programming languages.
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