BibSonomy bookmarks for /user/steff83/openid+attributehttp://www.bibsonomy.org/rss/user/steff83/openid+attributeBibSonomy RSS Feed for /user/steff83/openid+attribute- Schema for OpenID Attribute Exchange | Attribute Typeshttp://www.axschema.org/types/steff832008-05-07T13:04:23+02:00reference attribute schema openid types exchange