A method is provided for accessing information in a content management system including a library server for generating non-transferable access tokens and an object server for storing objects to which access may be requested by a client user. Enhanced security is achieved by generating non-transferable...http://www.google.es/patents/US7035854?utm_source=gb-gplus-sharePatente US7035854 - Content management system and methodology employing non-transferable access tokens to control data access
Content management system and methodology employing non-transferable access ...
