438 search results - page 22 / 88 » Activity-based Access Control Model to Hospital Information |
ICDCIT
2004
Springer
15 years 3 months ago
2004
Springer
The need to securely share information on an ad-hoc basis between collaborating entities is increasingly becoming important. We propose a coalition based access control model (CBAC...
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DBSEC
2010
14 years 10 months ago
2010
Abstract. We consider the problem of developing an abstract metamodel of access control in terms of which policies for protecting a principal's private information may be spec...
ATAL
2005
Springer
15 years 3 months ago
2005
Springer
Mobile agent systems provide new perspectives for distributed e-commerce applications. Sea-of-Data (SoD) applications are those that need to process huge quantities of distributed...
ICICS
2003
Springer
15 years 2 months ago
2003
Springer
This paper presents a policy-based framework for managing access control in distributed heterogeneous systems. This framework is based on the PDP/PEP approach. The PDP (Policy Deci...
IFIP
2005
Springer
15 years 3 months ago
2005
Springer
This paper considers the effect of untyped attackers inside a distributed system where security is enforced by the type system. In previous work we introduced the Key-Based Decentr...