243 search results - page 41 / 49 » A function-based access control model for XML databases |
VLDB
1993
ACM
15 years 1 months ago
1993
ACM
Extensions of the traditional atomic transaction model are needed to support the development of multi-system applications or work ows that access heterogeneous databases and legac...
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ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
The proliferation of electronic content has notably lead to the apparition of large corpora of interrelated structured documents (such as HTML and XML Web pages) and semantic annot...
SAC
2008
ACM
14 years 9 months ago
2008
ACM
In recent years role-based access control (RBAC) has been spreading within organizations. However, companies still have considerable difficulty migrating to this model, due to the...
ICDE
2007
IEEE
15 years 1 months ago
2007
IEEE
Current social networks implement very simple protection mechanisms, according to which a user can state whether his/her personal data, relationships, and resources should be eith...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...