A system and method for controlling access to data within a hierarchically organized document, such as an XML document. Elements may have their access rights specified, for example as a variable in an XML tag. If not specified within an element of the document, access rights are inherited from its nearest...http://www.google.ca/patents/US20030061216?utm_source=gb-gplus-sharePatent US20030061216 - System and method for managing objects and resources with access rights embedded in nodes within a hierarchical tree structure
