14 search results - page 1 / 3 » Extending Query Rewriting Techniques for Fine-Grained Access... |
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
SIGMOD
2006
ACM
14 years 5 months ago
2006
ACM
The current SQL standard for access control is coarse grained, in that it grants access to all rows of a table or none. Fine-grained access control, which allows control of access...
SIGMOD
1999
ACM
13 years 9 months ago
1999
ACM
We address the problem of query rewriting for TSL, a language for querying semistructured data. We develop and present an algorithm that, given a semistructured query q and a set ...
CIKM
2004
Springer
13 years 10 months ago
2004
Springer
At present, most of the state-of-the-art solutions for XML access controls are either (1) document-level access control techniques that are too limited to support fine-grained sec...
KES
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Access control for semi-structured data is nontrivial, as witnessed by the number of access control approaches in recent literature. Recently a case has been made for exp...