The usage control (UCON) model was introduced as a unified approach to capture a number of extensions for traditional access control models. While the policy specification flexibi...
Xinwen Zhang, Ravi S. Sandhu, Francesco Parisi-Pre...
Access control is the problem of regulating access to secret information based on certain context information. In traditional applications, context information is known exactly, p...
We describe a new design for authorization in operating systems in which applications are first-class entities. In this design, principals reflect application identities. Access c...
Powerful applications can be implemented using command scripts. A command script is a program written by one user, called a writer, and made available to another user, called the ...
Access control is an important issue in information security. It is a necessary mechanism for protecting data in a computer system. In this paper, we apply support vector machines...