البحث بواسطة lucene
clucene لا تزال بيتا
http://clucene.wiki.sourceforge.net/
http://lucene.apache.org/java/2_3_0/api/overview-summary.html#overview_description
http://lucene.apache.org/java/2_3_0/gettingstarted.html
http://lucene.apache.org/java/2_3_0/demo.html
http://wiki.apache.org/lucene-java/LuceneFAQ#head-fced767dd893d8828529074a26f99e0df7fe12ca