http://asleap.sourceforge.net/
http://www.itmedia.co.jp/enterprise/0404/09/epc02.html
http://slashdot.jp/article.pl?sid=04/12/30/0753217&topic=28&mode=nested
http://japan.cnet.com/news/sec/story/0,2000050480,20065503,00.htm