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FTDCS
1997
IEEE
13 years 11 months ago
The Saga Security System: A Security Architecture for Open Distributed Systems
In the paper we present an overview of Saga Security System, a security architecture in open distributed systems. An agent in Saga Security System is called a Saga Agent. The auth...
Masakazu Soshi, Mamoru Maekawa
DBSEC
2001
129views Database» more  DBSEC 2001»
13 years 9 months ago
Secure Role-Based Workflow Models
: In this paper we introduce a series of reference models for Secure Role-Based Workflow systems. We build our models over the well-known RBAC96 framework. 96 model supports the no...
Savith Kandala, Ravi S. Sandhu
SACMAT
2009
ACM
14 years 2 months ago
Supporting RBAC with XACML+OWL
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
Rodolfo Ferrini, Elisa Bertino
SIS
2007
13 years 9 months ago
A General Approach to Securely Querying XML
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...
Ernesto Damiani, Majirus Fansi, Alban Gabillon, St...
CCS
2009
ACM
14 years 8 months ago
A conceptual framework for Group-Centric secure information sharing
In this paper, we propose a conceptual framework for developing a family of models for Group-Centric information sharing. The traditional approach to information sharing, characte...
Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William...