Lucene is a high-performance, full-featured text search engine library written in Java, and will be used in developing the Online Commons system. Information about Lucene can be found at the Lucene section of the Apache website.

A Java-based, open source, full-featured search engine. http://jakarta.apache.org/lucene/docs/index.html

Related Terms: search engine, enterprise search engine, open source An excellent open source search engine written primarily in Java. Even for users of commercial search engine software, studying Lucene can provide a much more in depth understanding of how modern search engines work. http://lucene.apache.org