My home page is <a href="http://www.kagi.com/guoniu">http://www.kagi.com/guoniu</a>. 
You can send me email at <a href="mailto::guoniu@kagi.com">guoniu@kagi.com</a>. 
My old home page <a href="http://130.79.4.39/~guoniu/">http://130.79.4.39/~guoniu/</a> 
is still valid.