Lucene IndexApplication

Lucene is an open source java based search library. Lucene is very popular and fast search library used in java based application to add document search capability to any kind of application in a very simple and efficient way.
Lucene Capabilities:-
Powerful, accurate, and efficient search algorithms.
Many powerful query types: phrase queries, wildcard queries, proximity queries, range queries, and more.
Date-range searching and sorting by any field.
Incremental indexing as fast as batch indexing.
Quartz.NET Engine for customized job scheduling of the Search Index Service. Automate and schedule builds of the Lucene search index.
Common Logging framework for logging of system messages. You can configure settings for critical and non-critical errors and messages.
Ranked searching -- best results returned first many powerful query types: phrase queries, wildcard queries, proximity queries, range queries and more.