359 search results - page 4 / 72 » Foundation for a Time Interval Access Control Model |
JUCS
2007
13 years 7 months ago
2007
: Indexing video content is one of the most important problems in video databases. In this paper we present linear time and space algorithms for handling video metadata that repres...
NTMS
2008
IEEE
14 years 2 months ago
2008
IEEE
—We propose an access control model that extends RBAC (Role-Based Access Control) to take time and location into account, and use term rewriting systems to specify access control...
SACMAT
2009
ACM
14 years 2 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...
CIMCA
2005
IEEE
14 years 1 months ago
2005
IEEE
Access control for shared resources is a complex and challenging task, in particular if the access control policy should be able to cope with different kind of sharing and collabo...
WORDS
2005
IEEE
14 years 1 months ago
2005
IEEE
This paper presents a framework for verifying the access control requirements of real-time application systems such as workflow management systems and active databases. The tempor...