438 search results - page 31 / 88 » Activity-based Access Control Model to Hospital Information |
WISE
2002
Springer
15 years 2 months ago
2002
Springer
Web based services and applications have increased the availability and accessibility of information. XML has recently emerged as an important standard in the area of information ...
IADIS
2004
14 years 11 months ago
2004
With the growth in digital libraries and standardization of protocols for metadata sharing, it is becoming feasible to build federated discovery services which aggregate metadata ...
CAI
2006
Springer
14 years 9 months ago
2006
Springer
In this paper, formal verification methodologies and the SPR (Safety Problem Resolver) model checking tool are used for verifying a security model's safety. The SPR tool makes...
SACMAT
2009
ACM
15 years 4 months ago
2009
ACM
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
MMMACNS
2001
Springer
15 years 2 months ago
2001
Springer
Abstract. We present a new model that provides clear and precise semantics for authorization. The semantics is independent from underling security mechanisms and is separate from i...