786 search results - page 133 / 158 » A Software System for Secure Computer Aided Exams |
134
Voted
SACMAT
2009
ACM
15 years 10 months ago
2009
ACM
Traditional access control models, such as Role-Based Access Control (RBAC), do not take into account contextual information, such as location and time, for making access decision...
136
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CASES
2010
ACM
15 years 1 months ago
2010
ACM
Wired embedded networks must include multicast authentication to prevent masquerade attacks within the network. However, unique constraints for these networks make most existing m...
160
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GIS
2008
ACM
15 years 4 months ago
2008
ACM
We describe a prototype software system for investigating novel human-computer interaction techniques for 3-D geospatial data. This system, M4-Geo (Multi-Modal Mesh Manipulation o...
144
Voted
MMSEC
2005
ACM
15 years 9 months ago
2005
ACM
We propose a general framework for the detection of the LSB steganography using digital media files as cover objects. The new framework exploits high-order statistics of the samp...
111
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DRM
2005
Springer
15 years 9 months ago
2005
Springer
In this paper, we describe a novel statistical audio watermarking scheme. Under the control of the masking thresholds, watermark is embedded adaptively and transparently in the pe...