Apache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires fuly written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform.
Features:
Scalable, High-Performance Indexing
- over 20MB/minute on Pentium M 1.5GHz
- small RAM requirements — only 1MB heap
- incremental indexing as fast as batch indexing
- index size roughly 20-30% the size of text indexed
Powerful, Accurate and Efficient Search Algorithms
- ranked searching — best results returned first
- many powerful query types: phrase queries, wildcard queries, proximity queries, range queries and more
- fielded searching (e.g., title, author, contents)
- date-range searching
- sorting by any field
- multiple-index searching with merged results
- allows simultaneous update and searching
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Tuesday, June 3rd, 2008 at 10:41 pm
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