What is the function Lucene? - Zend

What is the function Lucene?

- Lucene is an open source binary format used to have features for high performance and provide other tools to manage the resources.

- It provides fully featured text search engine that can be utilized by the applications and be used to execute it.

- It provides the storing of the data and the search indexes by providing the standardized query format for querying for other indexes.

- Lucene is a search engine provider that allows the functionality to be implemented for the indexes.

- Lucene uses the Apache project and having the zend library with the name Zend_Search_Lucene.