[1]
[CITE[XUP - Extensible User Interface Protocol]] <http://www.w3.org/TR/xup/>
([[名無しさん]])

[2]
[CITE[spec: XML User Profiles (XUP)]] ([[Mario Salzer]] 著, [CODE[2005-05-28 07:48:53 +09:00]] 版) <http://xprofile.berlios.de/spec.html>