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SACMAT
2005
ACM
16 years 13 days ago
Composing and combining policies under the policy machine
As a major component of any host, or network operating system, access control mechanisms come in a wide variety of forms, each with their individual attributes, functions, methods...
David F. Ferraiolo, Serban I. Gavrila, Vincent C. ...
IJNSEC
2006
200views more  IJNSEC 2006»
15 years 6 months ago
3G and WLAN Interworking Security: Current Status and Key
The third-generation (3G) mobile communication systems provide great coverage, complete subscriber management and nearly universal roaming. Nevertheless, 3G systems are subject to...
Chou Chen Yang, Kuan-Hao Chu, Ya-Wen Yang
CSE
2009
IEEE
16 years 1 months ago
A Hybrid Enforcement Model for Group-centric Secure Information Sharing
—Group-Centric Secure Information Sharing (g-SIS) is motivated by the need to dynamically share information amongst a set of authorized users for a specific purpose. Authorized ...
Ram Krishnan, Ravi S. Sandhu
CRYPTO
2005
Springer
171views Cryptology» more  CRYPTO 2005»
16 years 13 days ago
On Codes, Matroids and Secure Multi-party Computation from Linear Secret Sharing Schemes
Error correcting codes and matroids have been widely used in the study of ordinary secret sharing schemes. In this paper, we study the connections between codes, matroids, and a s...
Ronald Cramer, Vanesa Daza, Ignacio Gracia, Jorge ...
ICSNW
2004
Springer
238views Database» more  ICSNW 2004»
16 years 8 days ago
Knowledge Sifter: Agent-Based Ontology-Driven Search over Heterogeneous Databases Using Semantic Web Services
Knowledge Sifter is a scaleable agent-based system that supports access to heterogeneous information sources such as the Web, open-source repositories, XML-databases and the emergi...
Larry Kerschberg, Mizan Chowdhury, Alberto Damiano...