Sciweavers

1140 search results - page 63 / 228
» A Purpose-Based Access Control Model
Sort
View
SACMAT
2009
ACM
14 years 2 months ago
Symbolic reachability analysis for parameterized administrative role based access control
Role based access control (RBAC) is a widely used access control paradigm. In large organizations, the RBAC policy is managed by multiple administrators. An administrative role ba...
Scott D. Stoller, Ping Yang, Mikhail I. Gofman, C....
DBSEC
2007
87views Database» more  DBSEC 2007»
13 years 9 months ago
Towards a Times-Based Usage Control Model
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...
INFOCOM
2003
IEEE
14 years 1 months ago
Exploiting Multiuser Diversity for Medium Access Control in Wireless Networks
— Multiuser diversity refers to a type of diversity present across different users in a fading environment. This diversity can be exploited by scheduling transmissions so that us...
Xiangping Qin, Randall A. Berry
ACSAC
1999
IEEE
14 years 15 days ago
A Resource Access Decision Service for CORBA-Based Distributed Systems
Decoupling authorization logic from application logic allows applications with fine-grain access control requirements to be independent from a particular access control policy and...
Konstantin Beznosov, Yi Deng, Bob Blakley, C. Burt...
CCS
2005
ACM
14 years 1 months ago
A framework for concrete reputation-systems with applications to history-based access control
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
Karl Krukow, Mogens Nielsen, Vladimiro Sassone