Schema
http://www.atmarkit.co.jp/fdotnet/easyxml/easyxml08/easyxml08_01.html
http://www-6.ibm.com/jp/developerworks/xml/030829/j_x-xmptron.html
http://www.atmarkit.co.jp/fdotnet/easyxml/easyxml08/easyxml08_01.html
http://www-6.ibm.com/jp/developerworks/xml/030829/j_x-xmptron.html