Abstract. In distributed computer systems, it is possible that the evaluation of an authorization policy may suffer unexpected failures, perhaps because a sub-policy cannot be eval...
Specifying policies doesn’t occur in splendid isolation but as part of refining an enterprise specification. The roles, the tasks, and the business processes of an ODP community ...
James B. Cole, John Derrick, Zoran Milosevic, Kerr...
This paper presents ongoing research and current results on the development of flexible access control infrastructures for complex resource provisioning in Grid-based collaborativ...
Yuri Demchenko, Leon Gommans, Cees de Laat, Arie T...
E-government in South Africa has a particularly important historical and social context due to the legacy of apartheid. As a result, a ten year egovernment implementation horizon h...