http://oss.hitachi.co.jp/sdl/japanese/lkst.html
http://sourceforge.net/projects/lkst/
http://itpro.nikkeibp.co.jp/free/NC/NEWS/20020122/3/
http://www.nikkei.co.jp/news/sangyo/20020123CAHI277222.html
http://slashdot.jp/article.pl?sid=02/01/23/0631230&mode=nested
http://pcweb.mycom.co.jp/news/2005/03/23/008.html