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About
Resources
Download
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Features
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Lucene offers powerful features through a simple API:
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Scalable, High-Performance Indexing
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- 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
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Powerful, Accurate and Efficient Search Algorithms
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- 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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