1140 search results - page 47 / 228 » A Purpose-Based Access Control Model |
CSREASAM
2006
13 years 9 months ago
2006
Trust and authority are essential components that must be factored in designing and implementing a distributed access control mechanism for open environments. This paper presents ...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
CCS
2007
ACM
13 years 11 months ago
2007
ACM
The problem of key management for access control systems has been well-studied, and the literature contains several schemes for hierarchy-based and temporal-based access control. ...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
SP
1997
IEEE
14 years 22 hour ago
1997
IEEE
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...