241 search results - page 30 / 49 » Implementation of a discretionary access control model for s... |
CCGRID
2002
IEEE
14 years 1 months ago
2002
IEEE
Resource management is a central part of a Grid computing system. In a large-scale wide-area system such as the Grid, security is a prime concern. One approach is to be conservati...
BTW
2003
Springer
14 years 2 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
ER
1998
Springer
14 years 29 days ago
1998
Springer
The practical implementation and use of a mediator for fixed income securities analysis demonstrated the potential for extending the application of conceptual modeling from the sys...
SIS
2007
13 years 10 months ago
2007
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...
ICSE
2007
IEEE-ACM
14 years 8 months ago
2007
IEEE-ACM
Modern multiuser software systems have adopted RoleBased Access Control (RBAC) for authorization management. This paper presents a formal model for RBAC policy validation and a st...