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Apache Lucene - Overview
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<a href="http://lucene.apache.org/hadoop/">Hadoop</a>
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<a href="http://lucene.apache.org/lucy/">Lucy</a>
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<a href="http://lucene.apache.org/nutch/">Nutch</a>
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<a href="http://lucene.apache.org/solr/">SOLR</a>
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PDF</a>
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</div>
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<h1>
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Apache Lucene - Overview
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</h1>
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<div id="minitoc-area">
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<ul class="minitoc">
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<li>
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<a href="#Apache Lucene">Apache Lucene</a>
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</li>
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<li>
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<a href="#Lucene News">Lucene News</a>
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<ul class="minitoc">
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<li>
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<a href="#18+February+2007+-+Lucene+at+ApacheCon+Europe">18 February 2007 - Lucene at ApacheCon Europe</a>
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</li>
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<li>
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<a href="#17+February+2007+-+Release+2.1+available">17 February 2007 - Release 2.1 available</a>
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</li>
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<li>
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<a href="#3+January+2007+-+Nightly+Source+builds+available">3 January 2007 - Nightly Source builds available</a>
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</li>
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<li>
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<a href="#22+December+2006">22 December 2006</a>
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</li>
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<li>
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<a href="#26+November+2006">26 November 2006</a>
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</li>
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<li>
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<a href="#26+May+2006+-+Release+2.0.0+available">26 May 2006 - Release 2.0.0 available</a>
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</li>
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<li>
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<a href="#2+March+2006+-+Release+1.9.1+available">2 March 2006 - Release 1.9.1 available</a>
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</li>
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<li>
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<a href="#27+February+2006+-+1.9+final+available">27 February 2006 - 1.9 final available</a>
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</li>
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<li>
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<a href="#26+January+2006+-+Nightly+builds+available">26 January 2006 - Nightly builds available</a>
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</li>
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<li>
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<a href="#28+October+2005+-+Lucene+at+ApacheCon">28 October 2005 - Lucene at ApacheCon</a>
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</li>
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<li>
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<a href="#14+February+2005+-+Lucene+moves+to+Apache+top-level">14 February 2005 - Lucene moves to Apache top-level</a>
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</li>
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<li>
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<a href="#December+2004+-">December 2004 -
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Lucene in Action
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is published
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</a>
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</li>
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<li>
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<a href="#29+November+2004+-+Lucene+1.4.3+Released">29 November 2004 - Lucene 1.4.3 Released</a>
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</li>
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</ul>
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</li>
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</ul>
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</div>
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<a name="N1001F"></a><a name="Apache Lucene"></a>
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<h2 class="boxed">Apache Lucene</h2>
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<div class="section">
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<p>
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Apache Lucene is a high-performance, full-featured text search engine
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library written entirely in Java. It is a technology suitable for nearly any
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application that requires full-text search, especially cross-platform.
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</p>
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<p>
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Apache Lucene is an open source project available for
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<a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">free download</a>.
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Please use the links on the left to access Lucene.
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</p>
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</div>
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<a name="N10030"></a><a name="Lucene News"></a>
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<h2 class="boxed">Lucene News</h2>
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<div class="section">
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<a name="N10036"></a><a name="18+February+2007+-+Lucene+at+ApacheCon+Europe"></a>
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<h3 class="boxed">18 February 2007 - Lucene at ApacheCon Europe</h3>
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<p>
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<a href="http://www.eu.apachecon.com"><img alt="ApacheCon Europe logo" src="http://www.apache.org/ads/ApacheCon/2007-europe-125x125.png" style="float: left; padding: 3px;"></a>
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Lucene Java and related <a href="http://lucene.apache.org/">Lucene</a> projects will have extensive representation at <a href="http://www.eu.apachecon.com">ApacheCon Europe</a> in Amsterdam this year. For the 2007 session,
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Yonik Seeley will be giving the <a href="http://www.eu.apachecon.com/program/talk/11">Full-Text Search with Lucene</a> talk at 10:30 am on May 2nd. Immediately following, Grant Ingersoll
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will be presenting <a href="http://www.eu.apachecon.com/program/talk/12">Advanced Lucene</a> at 11:30. Grant will also be leading a full day tutorial session on May 1st titled
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<a href="http://www.eu.apachecon.com/program/talk/127">Lucene Boot Camp</a>.
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</p>
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<p>Lucene related talks include Solr committer Bertrand Delacrétaz's talk titled <a href="http://www.eu.apachecon.com/program/talk/34">Beyond full-text searches with Solr and Lucene</a> and
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Hadoop committer Owen O'Malley's <a href="http://www.eu.apachecon.com/program/talk/36">Introduction to Hadoop</a>.
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</p>
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<p>Registration is now open on the ApacheCon website.</p>
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<a name="N10069"></a><a name="17+February+2007+-+Release+2.1+available"></a>
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<h3 class="boxed">17 February 2007 - Release 2.1 available</h3>
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<p>This release has many improvements since release
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2.0, including new features, performance
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improvements, bug fixes, etc. See
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<a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_2_1_0/CHANGES.txt">CHANGES.txt</a>
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for details.
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</p>
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<p>Lucene 2.1 includes index format changes that are not readable
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by older versions of Lucene. Lucene 2.1 can both read and update
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older Lucene indexes. Adding to an index with an older format
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will cause it to be converted to the newer format.
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</p>
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<p>Binary and source distributions are
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available
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<a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">here</a>.
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</p>
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<a name="N10081"></a><a name="3+January+2007+-+Nightly+Source+builds+available"></a>
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<h3 class="boxed">3 January 2007 - Nightly Source builds available</h3>
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<p>Nightly source builds of the current development version of Lucene
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are now available at
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<a href="http://people.apache.org/builds/lucene/java/nightly/">http://people.apache.org/builds/lucene/java/nightly/</a>. Files are named lucene-DATE-src.tar.gz where DATE is the date of the build.
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</p>
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<a name="N1008F"></a><a name="22+December+2006"></a>
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<h3 class="boxed">22 December 2006</h3>
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<p>The Lucene Java main site is now based on the nightly build of the documentation contained in Subversion.
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The <a href="api/">API documentation</a> is also
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based on the nightly build of the source. Previous released versions of this site (including API references) are available
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under the "Site Versions" menu item on the left.
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</p>
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<a name="N1009D"></a><a name="26+November+2006"></a>
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<h3 class="boxed">26 November 2006</h3>
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<p>New <a href="http://forrest.apache.org">Forrest</a> based site released. The Lucene Java website now has a consistent look and feel with its <a href="http://lucene.apache.org">Lucene</a> siblings.
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</p>
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<a name="N100AE"></a><a name="26+May+2006+-+Release+2.0.0+available"></a>
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<h3 class="boxed">26 May 2006 - Release 2.0.0 available</h3>
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<p>This is mostly a bugfix release from release 1.9.1.
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Note however that deprecated 1.x features have now
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been removed. Any code that compiles against Lucene
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1.9.1 without deprecation warnings should work without
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further changes with any 2.x release. For more
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information about this release, please read
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<a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_2_0_0/CHANGES.txt">
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CHANGES.txt</a>
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.
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</p>
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<p>Binary and source distributions are
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available
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<a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">here</a>
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.
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</p>
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<a name="N100C3"></a><a name="2+March+2006+-+Release+1.9.1+available"></a>
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<h3 class="boxed">2 March 2006 - Release 1.9.1 available</h3>
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<p>This fixes a serious bug in release 1.9-final.
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<a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_1_9_1/CHANGES.txt">
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CHANGES.txt</a>
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for details.
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</p>
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<p>Binary and source distributions are
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available
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<a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">here</a>
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.
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</p>
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<a name="N100D8"></a><a name="27+February+2006+-+1.9+final+available"></a>
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<h3 class="boxed">27 February 2006 - 1.9 final available</h3>
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<p>This release has many improvements since release
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1.4.3, including new features, performance
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improvements, bug fixes, etc. See
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<a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_1_9_final/CHANGES.txt">
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CHANGES.txt</a>
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for details.
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</p>
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<p>1.9 will be the last 1.x release. It is both
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back-compatible with 1.4.3 and forward-compatible with
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the upcoming 2.0 release. Many methods and classes in
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1.4.3 have been deprecated in 1.9 and will be removed
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in 2.0. Applications must compile against 1.9 without
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deprecation warnings before they are compatible with
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2.0.</p>
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<p>Binary and source distributions are
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available
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<a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">here</a>
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.
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</p>
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<a name="N100F0"></a><a name="26+January+2006+-+Nightly+builds+available"></a>
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<h3 class="boxed">26 January 2006 - Nightly builds available</h3>
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<p>Nightly builds of the current development version of Lucene, to be released as Lucene 1.9,
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are now available at
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<a href="http://cvs.apache.org/dist/lucene/java/nightly/">
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http://cvs.apache.org/dist/lucene/java/nightly/</a>
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.
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</p>
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<a name="N100FE"></a><a name="28+October+2005+-+Lucene+at+ApacheCon"></a>
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<h3 class="boxed">28 October 2005 - Lucene at ApacheCon</h3>
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<p>
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<a href="http://www.apachecon.com">
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<img src="http://apachecon.com/2005/US/logos/Conference135x59.jpg">
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</a>
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</p>
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<p>Monday, December 12, 2005 at 3pm by Grant Ingersoll:
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<br>
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Abstract:
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<br>
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Lucene is a high performance, scalable, cross-platform search engine that contains many advanced
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features that often go untapped by the majority of users. In this session, designed for those
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familiar with Lucene, we will examine some of Lucene's more advanced topics and their application,
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including:
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</p>
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<ol>
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<li>Term Vectors: Manual and Pseudo relevance feedback; Advanced document collection analysis for
|
|
domain specialization</li>
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<li>Span Queries: Better phrase matching; Candidate Identification for Question Answering</li>
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<li>Tying it all Together: Building a search framework for experimentation and rapid deployment</li>
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|
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<li>Case Studies from
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<a href="http://www.cnlp.org">CNLP</a>
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|
: Crosslingual/multilingual retrieval in Arabic, English and Dutch;
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|
Sublanguage specialization for commercial trouble ticket analysis; Passage retrieval and
|
|
analysis for Question Answering application
|
|
</li>
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|
|
|
</ol>
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|
<p>Topics 1 through 3 will provide technical details on implementing the advanced Lucene features, while
|
|
the fourth topic will provide a broader context for understanding when and where to use these
|
|
features.
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|
</p>
|
|
<a name="N1012C"></a><a name="14+February+2005+-+Lucene+moves+to+Apache+top-level"></a>
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|
<h3 class="boxed">14 February 2005 - Lucene moves to Apache top-level</h3>
|
|
<p>Lucene has migrated from Apache's Jakarta project to the top-level. Along with this migration,
|
|
the source code repository has been converted to Subversion. The migration is in progress with
|
|
some loose ends. Please stay tuned!
|
|
</p>
|
|
<a name="N10136"></a><a name="December+2004+-"></a>
|
|
<h3 class="boxed">December 2004 -
|
|
Lucene in Action
|
|
is published
|
|
</h3>
|
|
<a href="http://www.lucenebook.com/">
|
|
<img align="left" border="0" src="images/lia_3d.jpg">
|
|
</a>
|
|
<p>The first book dedicated solely to Lucene is published. The
|
|
"search inside the book" feature implemented with Lucene can
|
|
be seen at
|
|
<a href="http://www.lucenebook.com/">lucenebook.com</a>
|
|
.
|
|
</p>
|
|
<p style="clear: both;"></p>
|
|
<a name="N10153"></a><a name="29+November+2004+-+Lucene+1.4.3+Released"></a>
|
|
<h3 class="boxed">29 November 2004 - Lucene 1.4.3 Released</h3>
|
|
<p>This fixes a few bugs in 1.4.2. See
|
|
<a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_1_4_3/CHANGES.txt">
|
|
CHANGES.txt</a>
|
|
for details. Binary and source distributions are
|
|
available
|
|
<a href="http://www.apache.org/dyn/closer.cgi/lucene/">here</a>
|
|
. After choosing your mirror, navigate to the archive section via the java link.
|
|
</p>
|
|
</div>
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