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CCS
2007
ACM
14 years 2 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
14 years 2 months ago
2007
ACM
Malicious programs spy on users’ behavior and compromise their privacy. Even software from reputable vendors, such as Google Desktop and Sony DRM media player, may perform undes...
STORAGESS
2005
ACM
14 years 2 months ago
2005
ACM
The growing number of storage security breaches as well as the need to adhere to government regulations is driving the need for greater storage protection. However, there is the l...
ARCS
2005
Springer
14 years 2 months ago
2005
Springer
We propose an active vision system for object acquisition. The core of our approach is a reinforcement learning module which learns a strategy to scan an object. The agent moves a...
FPGA
2004
ACM
14 years 2 months ago
2004
ACM
The speedup over a microprocessor that can be achieved by implementing some programs on an FPGA has been extensively reported. This paper presents an analysis, both quantitative a...