44 search results - page 9 / 9 » Query Propagation in a P2P Data Integration System in the Pr... |
SIGMOD
2010
ACM
13 years 10 months ago
2010
ACM
Real-world databases often contain syntactic and semantic errors, in spite of integrity constraints and other safety measures incorporated into modern DBMSs. We present ERACER, an...
DASFAA
1997
IEEE
13 years 10 months ago
1997
IEEE
The success of the World Wide Web is boosting the development of multimedia database systems and their integration into the internet. For the documents stored and exchanged in the...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
Counting in general, and estimating the cardinality of (multi-) sets in particular, is highly desirable for a large variety of applications, representing a foundational block for ...
CCS
2007
ACM
13 years 12 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 ...