362 search results - page 6 / 73 » An access control model for simplifying constraint expressio... |
ACSAC
2002
IEEE
14 years 14 days ago
2002
IEEE
The administration of users and access rights in large enterprises is a complex and challenging task. Roles are a powerful concept for simplifying access control, but their implem...
FOSSACS
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. An extension of the λ-calculus is proposed, to study historybased access control. It allows for security policies with a possibly nested, local scope. We define a type ...
CSFW
2004
IEEE
13 years 11 months ago
2004
IEEE
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
TRUSTBUS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. Existing policy languages suffer from a limited ability of directly and elegantly expressing high-level access control principles such as history-based separation of dut...