1140 search results - page 56 / 228 » A Purpose-Based Access Control Model |
CCS
2008
ACM
13 years 10 months ago
2008
ACM
Usage control is a generalization of access control that also addresses how data is used after it is released. We present a formal model for different mechanisms that can enforce ...
ACSAC
2000
IEEE
14 years 18 days ago
2000
IEEE
This contribution discusses a network-level access control technique that applies the non-discretionary access control model to individual data packets that are exchanged between ...
SEC
2004
13 years 9 months ago
2004
Business Processes for Web Services (BPEL4WS) are the new paradigms for lightweight enterprise integration. They cross organizational boundaries and are provided by entities that s...
DASFAA
2010
IEEE
13 years 8 months ago
2010
IEEE
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
IEEECIT
2010
IEEE
13 years 6 months ago
2010
IEEE
—In this paper we describe extensions to the access control industry standards XACML and SAML to enable privacy-preserving and credential-based access control. Rather than assumi...