55 search results - page 2 / 11 » An attribute-based access matrix model |
SAC
2005
ACM
13 years 10 months ago
2005
ACM
In traditional access control models like MAC, DAC, and RBAC, authorization decisions are determined according to identities of subjects and objects, which are authenticated by a ...
CCS
2004
ACM
13 years 10 months ago
2004
ACM
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...
ICPP
2009
IEEE
13 years 12 months ago
2009
IEEE
—Sparse Matrix-Vector multiplication (SpMV) is a very challenging computational kernel, since its performance depends greatly on both the input matrix and the underlying architec...
ICOIN
2007
Springer
13 years 11 months ago
2007
Springer
Exploring topological structure at Autonomous System (AS) level is indispensable for understanding most issues in Internet services. Previous models of AS graph involve address or ...
HCI
2007
13 years 6 months ago
2007
Access to information remains a major challenge for people with disabilities. In this paper, an approximate model of how people access information is proposed. This model is prese...