http://www.itmedia.co.jp/enterprise/articles/0606/30/news056.html
http://www.itmedia.co.jp/enterprise/articles/0606/28/news030.html
http://www.itmedia.co.jp/enterprise/articles/0606/29/news099.html
http://www.itmedia.co.jp/enterprise/articles/0606/30/news049.html
http://www.itmedia.co.jp/enterprise/articles/0606/30/news057.html
http://www.itmedia.co.jp/enterprise/articles/0606/29/news068.html
http://www.nikkeibp.co.jp/news/it06q3/507374/
http://internet.watch.impress.co.jp/cda/news/2006/06/29/12516.html
http://internet.watch.impress.co.jp/cda/news/2006/06/29/12515.html
http://itpro.nikkeibp.co.jp/article/NEWS/20060628/242025/