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HICSS
2007
IEEE
14 years 2 months ago
2007
IEEE
Increasing use of e-government has raised issues about the privacy of information provided by citizens to government. This paper explores the experiences and concerns of New Zeala...
MIDDLEWARE
2007
Springer
14 years 2 months ago
2007
Springer
We present a flexible framework for throttling attackers in peerto-peer media streaming systems. In such systems, selfish nodes (e.g., free riders) and malicious nodes (e.g., DoS ...
ICEBE
2006
IEEE
14 years 2 months ago
2006
IEEE
Privacy has been recognized as a very important issue in electronic commerce. However, many privacy techniques were not adopted and many online anonymity services failed. In this ...
SACMAT
2004
ACM
14 years 1 months ago
2004
ACM
This paper maintains that for an access-control mechanism to support a wide range of policies, it is best to dispense with any built-in semantics for roles in the mechanism itself...
IJNSEC
2007
13 years 8 months ago
2007
In 2001, Rivest et al. rstly introduced the concept of ring signatures. A ring signature is a simpli ed group signature without any manager. It protects the anonymity of a signer....