404 search results - page 38 / 81 » SQL and Management of External Data |
99
Voted
ACL
2008
15 years 4 months ago
2008
This paper describes how external resources can be used to improve parser performance for heavily lexicalised grammars, looking at both robustness and efficiency. In terms of robu...
116
Voted
CCS
2003
ACM
15 years 7 months ago
2003
ACM
After the Code Red incident in 2001 and the SQL Slammer in January 2003, it is clear that a simple self-propagating worm can quickly spread across the Internet, infects most vulne...
132
click to vote
FMLDO
1999
Springer
15 years 6 months ago
1999
Springer
Federated transaction management (also known as multidatabase transaction management in the literature) is needed to ensure the consistency of data that is distributed across mult...
128
Voted
CCS
2007
ACM
15 years 8 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 ...
222
Voted
ICDE
2005
IEEE
16 years 3 months ago
2005
IEEE
Although conventional database management systems are designed to tolerate hardware and to a lesser extent even software errors, they cannot protect themselves against syntactical...