89 search results - page 4 / 18 » The Efficient Maintenance of Access Roles with Role Hiding |
AOSD
2005
ACM
15 years 3 months ago
2005
ACM
Improving the structure of code can help developers work with a software system more efficiently and more consistently. To aid developers in re-structuring the implementation of c...
CCS
2007
ACM
15 years 3 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 ...
144
click to vote
ICDE
1999
IEEE
15 years 11 months ago
1999
IEEE
Indexes play a vital role in decision support systems by reducing the cost of answering complex queries. A popular methodology for choosing indexes that is adopted by database adm...
72
Voted
ISLPED
1997
ACM
15 years 1 months ago
1997
ACM
In this paper, we note and analyze a key trade-off: as the complexity of caches increases (higher set-associativity, larger block size, and larger overall size), the power consume...
CIKM
2005
Springer
15 years 3 months ago
2005
Springer
XML documents are frequently used in applications such as business transactions and medical records involving sensitive information. Typically, parts of documents should be visibl...