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CCS
2010
ACM
14 years 5 months ago
Toward practical authorization-dependent user obligation systems
Many authorization system models include some notion of obligation. Little attention has been given to user obligations that depend on and affect authorizations. However, to be u...
Murillo Pontual, Omar Chowdhury, William H. Winsbo...
SOUPS
2010
ACM
14 years 2 months ago
On the impact of real-time feedback on users' behaviour in mobile location-sharing applications
Effective privacy management requires that mobile systems‟ users be able to make informed privacy decisions as their experience and knowledge of a system progresses. Prior work ...
Lukasz Jedrzejczyk, Blaine A. Price, Arosha K. Ban...
CSREASAM
2008
14 years 10 days ago
On Providing Automatic Parental Consent over Information Collection from Children
: Children's privacy has become critical with the increasing use of the Internet for commercial purposes and corresponding increase in requests for information. 65% of childre...
Karthik Channakeshava, Kaigui Bian, Michael S. Hsi...
PET
2009
Springer
14 years 5 months ago
On the Optimal Placement of Mix Zones
Abstract. In mobile wireless networks, third parties can track the location of mobile nodes by monitoring the pseudonyms used for identification. A frequently proposed solution to...
Julien Freudiger, Reza Shokri, Jean-Pierre Hubaux
ACNS
2008
Springer
94views Cryptology» more  ACNS 2008»
14 years 5 months ago
PPAA: Peer-to-Peer Anonymous Authentication
In the pursuit of authentication schemes that balance user privacy and accountability, numerous anonymous credential systems have been constructed. However, existing systems assume...
Patrick P. Tsang, Sean W. Smith