This paper presents a framework for verifying the access control requirements of real-time application systems such as workflow management systems and active databases. The tempor...
Basit Shafiq, Ammar Masood, James Joshi, Arif Ghaf...
Abstract. In this paper, we develop a content-based video classification approach to support semantic categorization, high-dimensional indexing and multi-level access. Our contribu...
Access to distributed databases containing tuples collected about mobile physical objects requires information about the objects’ trajectories. Existing access control models ca...
Abstract--The Internet provides a universal platform for largescale distribution of information and supports inter-organizational services, system integration, and collaboration. U...
James B. D. Joshi, Zhaohui Kevin Li, Husni Fahmi, ...
Abstract. Information systems are vulnerable to accidental or malicious attacks. Security models for commercial computer systems exist, but information systems security is often ig...