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FGCS
2006
13 years 10 months ago
2006
Web and grid services are quickly maturing as a technology that allows for the integration of applications belonging to different administrative domains, enabling much faster and ...
CN
2007
13 years 10 months ago
2007
The need for content access control in hierarchies (CACH) appears naturally in all contexts where a set of users have different access rights to a set of resources. The hierarchy...
COMSUR
2007
13 years 10 months ago
2007
Covert channels are used for the secret transfer of information. Encryption only protects communication from being decoded by unauthorised parties, whereas covert channels aim to ...
IJNSEC
2006
13 years 10 months ago
2006
Copyright of e-Education material is valuable. The need for protecting it is prominent. In the past two years, we have developed an infrastructure called e-Course eXchange (eCX ) ...
CORR
2007
Springer
13 years 10 months ago
2007
Springer
Inspired by the context of compressing encrypted sources, this paper considers the general tradeoff between rate, end-to-end delay, and probability of error for lossless source co...