EUDAT Attribute metadata - background

EUDAT (www.eudat.eu) will increasingly need to support multi-LoA IdPs and attribute providers; indeed, the user is often asked to provide information not published by their IdP....EUDAT（www.eudat.eu）将日益需要支持多保障等级（Level of Assurance，LoA）身份提供者（Identity Provider，IdP）与属性提供者；事实上，用户时常需要提供其身份提供者未公开的信息……