 | QUATRO Quality Assurance Content Description (QUATRO) aims to help internet users find what they want, trust what they find and avoid material that, for whatever reason, they choose not to see. This will be achieved by devising a common method that can be used by quality labelling and rating schemes, privacy and security policies, classification and discovery metadata, permission and rights management systems. Under the Safer Internet Action Plan of the European Union since 2004 to 2006. More information |