228 search results - page 32 / 46 » An Extended Mandatory Access Control Model for XML |
SACMAT
2003
ACM
14 years 2 months ago
2003
ACM
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
TASE
2008
IEEE
13 years 8 months ago
2008
IEEE
In this paper we deal with the problem of modeling railway networks with Petri nets so as to apply the theory of supervisory control for discrete event systems to automatically de...
USS
2008
13 years 11 months ago
2008
Provenance describes how an object came to be in its present state. Intelligence dossiers, medical records and corporate financial reports capture provenance information. Many of ...
IJIEM
2007
13 years 8 months ago
2007
: Digital piracy is threatening the global multimedia content industry and blindly applied coercive Digital Right Management (DRM) policies do nothing but legitimizing this piracy....
DBPL
1999
Springer
14 years 1 months ago
1999
Springer
Applications have an increasing need to manage semistructured data such as data encoded in XML along with conventional structured data. We extend the structured object database ...