This paper proposes a D-algebra to compose decisions from multiple access control policies. Compared to other algebrabased approaches aimed at policy composition, D-algebra is the...
Information flow control systems provide the guarantees that are required in today’s security-relevant systems. While the literature has produced a wealth of techniques to ensur...
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
Identity Management plays a crucial role in many application contexts, including e-governments, e-commerce, business intelligence, investigation, and homeland security. The variet...
My thesis aims to contribute towards building autonomous agents that are able to understand their surrounding environment through the use of both audio and visual information. To ...