mirror of https://github.com/apache/lucene.git
129 lines
2.3 KiB
HTML
129 lines
2.3 KiB
HTML
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<HTML>
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<HEAD>
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<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
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<META NAME="Author" CONTENT="Doug Cutting">
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<META NAME="GENERATOR" CONTENT="Mozilla/4.04 [en] (Win95; U) [Netscape]">
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<TITLE>Lucene: a full-text search engine in Java</TITLE>
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</HEAD>
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<BODY>
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<H1>
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Lucene</H1>
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Lucene is a full-text search engine written in Java. It is efficient,
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providing high-performance indexing and searching using few system resources.
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State-of-the-art search algorithms produce highest-quality search results.
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The use of Java allows easy integration with cross-platform applications.
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<H2>
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Potential Applications</H2>
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<UL>
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<LI>
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<B>Searchable E-Mail</B></LI>
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<BR>Search large e-mail archives instantly; update index as new messages
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arrive.
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<LI>
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<B>CD-ROM-based Online Documentation Search</B></LI>
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<BR>Search large publications quickly with platform-independent system.
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<LI>
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<B>Search Previously-Visited Web Pages</B></LI>
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<BR>Relocate a page seen weeks or months ago.
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<LI>
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<B>Web Site Searching</B></LI>
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<BR>Let users search all the pages on your website.</UL>
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<H2>
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Features</H2>
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<UL>
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<LI>
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<B>Scalable, High-Performance Indexing</B></LI>
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<DL>
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<DL>
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<LI>
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over 200MB/hour on Pentium II/266</LI>
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<LI>
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incremental indexing as fast as batch indexing</LI>
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<LI>
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small RAM requirements -- only 1MB heap</LI>
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<LI>
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index size roughly 30% the size of text indexed</LI>
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</DL>
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</DL>
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<LI>
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<B>Powerful, Accurate and Efficient Search Algorithms</B></LI>
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<DL>
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<DL>
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<LI>
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ranked searching -- best results returned first</LI>
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<LI>
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boolean and phrase queries</LI>
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<LI>
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fielded searching (e.g., title, author, contents)</LI>
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<LI>
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date-range searching</LI>
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<LI>
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<B><I>coming soon:</I></B></LI>
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<DL>
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<DL>
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<LI>
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<I>multiple-index searching with merged results</I></LI>
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<LI>
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<I>distributed searching over a network</I></LI>
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</DL>
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</DL>
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</DL>
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</DL>
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<LI>
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<B>Simple API's allow developers to:</B></LI>
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<DL>
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<DL>
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<LI>
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incorporate new document types</LI>
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<LI>
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localize for new languages (already handles most European languages)</LI>
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<LI>
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develop new user interfaces</LI>
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</DL>
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</DL>
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<LI>
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<B>Cross-Platform Solution</B></LI>
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<DL>
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<DL>
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<LI>
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100%-pure Java <I>(not yet certified)</I></LI>
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</DL>
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</DL>
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</UL>
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<H2>
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Contact</H2>
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<UL><B>Douglass R. Cutting</B>
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<BR>Email: cutting@lucene.com
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<BR>Phone: 1 (510) 595-0232</UL>
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</BODY>
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</HTML>
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