439 search results - page 78 / 88 » Knowledge Management in Heterogeneous Data Warehouse Environ... |
SACMAT
2003
ACM
13 years 12 months ago
2003
ACM
Traditional access control mechanisms rely on a reference monitor to mediate access to protected resources. Reference monitors are inherently centralized and existing attempts to ...
ESCIENCE
2007
IEEE
13 years 10 months ago
2007
IEEE
Scientific workflows have recently emerged as a new paradigm for representing and managing complex distributed scientific computations and data analysis, and have enabled and acce...
COMAD
2008
13 years 8 months ago
2008
Role-based access control (RBAC) has attracted considerable research interest. However, the computational issues of RBAC models are yet to be thoroughly studied. In this paper, we...
ACSAC
2007
IEEE
14 years 1 months ago
2007
IEEE
Integrity measurements provide a means by which distributed systems can assess the trustability of potentially compromised remote hosts. However, current measurement techniques si...
EFDBS
2000
13 years 8 months ago
2000
Today, bibliographical information is kept in a variety of data sources world wide, some of them publically available, and some of them also offering information about citations m...