https://en.wikipedia.org/wiki/Information_retrieval = Lucene = * https://en.wikipedia.org/wiki/Lucene * [DebianPackage:python-lucene] = CLucene (2011 and more recent versions on Debian) = * http://clucene.sourceforge.net/ * [DebianPackage:clucene-core] * Used by LibreOffice and Dovecot (IMAP server) on Debian * https://pecl.php.net/package/clucene = Lucene++ (uses libboost) = * https://github.com/luceneplusplus/LucenePlusPlus * [DebianPackage:liblucene++] = Qt Lucene (Used by Qt help) = * [DebianPackage:libqt5clucene5] * https://mail.python.org/pipermail/python-announce-list/2011-December/009287.html (Python, Lucene and Qt Help) = Lucy = * [http://stackoverflow.com/questions/32604657/apache-solr-vs-apache-lucy Apache solr vs Apache Lucy] * http://lucy.apache.org/faq.html * [DebianPackage:liblucy-perl] = Plucene (Perl port) = * [DebianPackage:libplucene-perl] = Ferret (ancestor of Lucy) = * [DebianPackage:ruby-ferret] = Xapian = * [DebianPackage:xapian-bindings], [DebianPackage:xapian-core] = Norch (Javascript) = * https://github.com/fergiemcdowall/norch