With the advances in digital imagery, large accessible data storage, internet repositories, and image applications, information conveyed through images is gaining in importance. T...
—Identity federation is a key requirement for today’s distributed services. This technology allows managed sharing of users’ identity information between identity providers (...
Pin Nie, Juha-Matti Tapio, Sasu Tarkoma, Jani Heik...
We develop solutions for the security and privacy of user identity information in a federation. By federation we mean a group of organizations or service providers which have buil...
Abhilasha Bhargav-Spantzel, Anna Cinzia Squicciari...
Recent years have witnessed the trend of leveraging cloudbased services for large scale content storage, processing, and distribution. Security and privacy are among top concerns ...
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...