42 search results - page 9 / 9 » Integrity Constraint Checking in Federated Databases |
VLDB
2001
ACM
13 years 9 months ago
2001
ACM
Cleaning data of errors in structure and content is important for data warehousing and integration. Current solutions for data cleaning involve many iterations of data “auditing...
CCS
2007
ACM
13 years 11 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 ...