4445 search results - page 849 / 889 » Reflective Authorization Systems |
ISCAS
2007
IEEE
15 years 4 months ago
2007
IEEE
This paper describes novel motion mapping algorithms aimed for low-complexity MPEG-2 to AVC transcoding. The proposed algorithms efficiently map incoming MPEG-2 motion vectors to...
QEST
2007
IEEE
15 years 4 months ago
2007
IEEE
Online auction sites have unique workloads and user behavior characteristics that do not exist in other e-commerce sites. Earlier studies by the authors identified i) significan...
ATAL
2007
Springer
15 years 4 months ago
2007
Springer
Distributed allocation and multiagent coordination problems can be solved through combinatorial auctions. However, most of the existing winner determination algorithms for combina...
CCS
2007
ACM
15 years 4 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 ...
CCS
2007
ACM
15 years 4 months ago
2007
ACM
Protocol reverse engineering, the process of extracting the application-level protocol used by an implementation, without access to the protocol specification, is important for m...