Apache Lucene Free and open source text search engine library
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search text engine text search search engine library field sort

Apache Lucene Description

Free and open source text search engine library Apache Lucene is a high-performance, full-featured text search engine library written entirely in Java. Apache Lucene is a technology suitable for almost any application that requires full-text search, especially cross-platform. Here are some key features of "Apache Lucene": · 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 · Cross-Platform Solution · Available as Open Source software under the Apache License which lets you use Lucene in both commercial and Open Source programs · 100%-pure Java · Implementations in other programming languages available that are index-compatible Requirements: · Java

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