This paper presents a policy-based framework for managing access control in distributed heterogeneous systems. This framework is based on the PDP/PEP approach. The PDP (Policy Deci...
The concept of context-dependent access control has emerged during the last years: Information about the state of a process model of a working environment is combined with general ...
We are facing a growing user demand for ubiquitous Internet access. As a result, network ports and wireless LANs are becoming common in public spaces inside buildings such as loung...
Abstract. Modern information systems require temporal and privilegeconsuming usage of digital objects. To meet these requirements, we present a new access control model–Times-bas...
Baoxian Zhao, Ravi S. Sandhu, Xinwen Zhang, Xiaoli...
We describe a system whose purpose is to explore the use of certificates for the distributed management of access rights for resources that have multiple, independent, and geograp...
William E. Johnston, Srilekha Mudumbai, Mary R. Th...