• A diagrammatic notation for modeling access control in tree-based data structures 

      Øslebø, Arne (Doctoral Theses at NTNU, 1503-8181; 2008:142, Doctoral thesis, 2008)
      This thesis describe two graphical modeling languages that can be used for specifying the access control setup in most systems that store information in a tree based structure. The Tree-based Access control Modeling ...
    • Access Control in Healthcare Information Systems 

      Røstad, Lillian (Doctoral Theses at NTNU, 1503-8181; 2009:24, Doctoral thesis, 2009)
      Access control is a key feature of healthcare information systems. Access control is about enforcing rules to ensure that only authorized users get access to resources in a system. In healthcare systems this means protecting ...