54 search results - page 11 / 11 » Integrity Constraints Checking In Deductive Databases |
ICDE
1995
IEEE
14 years 10 months ago
1995
IEEE
The model of flexible relations supports heterogeneous sets of tuples in a strongly typed way. The elegance of the standard relational model is preserved by using a single, generi...
ADC
2004
Springer
14 years 2 months ago
2004
Springer
A complete workflow specification requires careful integration of many different process characteristics. Decisions must be made as to the definitions of individual activities, th...
VLDB
2001
ACM
14 years 1 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
14 years 2 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 ...