Hibernate

http://www.hibernate.org/
http://www.jboss.org/
http://nekop.programmers.jp/etc/webdb18hibernate.pdf
http://nekop.programmers.jp/hiki/hiki.cgi?Hibernate
http://www.ozacc.com/library/java/hibernate/doc/html/
http://www.ozacc.com/library/
http://muimi.com/j/hibernate/
http://www.atmarkit.co.jp/fjava/rensai3/ormap01/ormap01.html
http://www.commentout.com/people/takai/memos/hibernate_xdoclet/