In this work we ask the question: what are the challenges of managing a physical or file system access-control policy for a large organization? To answer the question, we conducte...
Lujo Bauer, Lorrie Faith Cranor, Robert W. Reeder,...
Abstract—In large distributed systems, where shared resources are owned by distinct entities, there is a need to reflect resource ownership in resource allocation. An appropriat...
Jose Nelson Falavinha Junior, Aleardo Manacero Jun...
Role-Based Access Control (RBAC) has been widely used for expressing access control policies. Although RBAC provides flexible mechanisms to control the access to information, it do...
Mikhail I. Gofman, Ruiqi Luo, Jian He, Yingbin Zha...
This paper revisits the two-hop forwarding policy in delay tolerant networks (DTNs) using simple probabilistic arguments. Closed form expressions are derived for the main performan...
—Policy languages (such as privacy and rights) have had little impact on the wider community. Now that Social Networks have taken off, the need to revisit Policy languages and re...