This paper addresses several aspects related to the distribution of content. The first aim is to provide an overview of the Universal Multimedia Access (UMA) concept. The primary...
Usage control is a generalization of access control that also addresses how data is used after it is released. We present a formal model for different mechanisms that can enforce ...
Alexander Pretschner, Manuel Hilty, David A. Basin...
A Computational Grid is a collection of heterogeneous computers and resources spread across multiple administrative domains with the intent of providing users easy access to these...
— The coordinated sharing of resources to address computational problems is a central issue in environments of Grid computing. Two important scenarios arise from this issue. Firs...