A new interface and methods allow a new versatility both in both managing a database, and in presenting hierarchical database information in a more useful way. User marks are used to determine the visibility of the elements at the various hierarchical levels in a hierarchical directory structure of a...http://www.google.de/patents/US7162484?utm_source=gb-gplus-sharePatent US7162484 - Method and system for hierarchical visibility marks for hierarchical elements in hierarchical database structure, filtering hierarchical elements, hide any hierarchical element not having either a user hierarchical visibility mark or a propagated hierarchical visibility mark
