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Lucene is a free open source, information retrieval API originally implemented in Java by Doug Cutting. It is supported by the Apache Software Foundation and is released under the Apache Software License. Lucene has been ported to other programming languages including Perl, C#, C++, Python, Ruby and PHP. While suitable for any application which requires full text indexing and searching capability, Lucene has been widely recognized for its utility in the implementation of internet search engines and local, single-site searching. This has occasionally led to the misperception that Lucene is itself a search engine with built-in crawling and HTML parsing functionality. Instead, any such application utilizing Lucene would have to provide this functionality independently. At the core of Lucene's logical architecture is a notion of a document containing fields of text. This flexibility allows Lucene's API to be agnostic of file format. Text from PDFs, HTML, Microsoft Word documents, as well as many others can all be indexed so long as their textual information can be extracted.
Software using Lucene A more extensive list of software that uses Lucene is in the PoweredBy page of Lucene's wiki. Ports Lucene has been ported or is in the process of being ported to various programming languages other than Java: See also | |||||||||||||||||||||||||||
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