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SACMAT
2009
ACM
14 years 6 days ago
A formal framework to elicit roles with business meaning in RBAC systems
The role-based access control (RBAC) model has proven to be cost effective to reduce the complexity and costs of access permission management. To maximize the advantages offered...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
SIGMOD
2012
ACM
220views Database» more  SIGMOD 2012»
11 years 10 months ago
GUPT: privacy preserving data analysis made easy
It is often highly valuable for organizations to have their data analyzed by external agents. However, any program that computes on potentially sensitive data risks leaking inform...
Prashanth Mohan, Abhradeep Thakurta, Elaine Shi, D...
NDSS
2009
IEEE
14 years 2 months ago
SybilInfer: Detecting Sybil Nodes using Social Networks
SybilInfer is an algorithm for labelling nodes in a social network as honest users or Sybils controlled by an adversary. At the heart of SybilInfer lies a probabilistic model of h...
George Danezis, Prateek Mittal
HOTOS
2007
IEEE
13 years 11 months ago
Processor Hardware Counter Statistics as a First-Class System Resource
Today's processors provide a rich source of statistical information on program execution characteristics through hardware counters. However, traditionally, operating system (...
Xiao Zhang, Sandhya Dwarkadas, Girts Folkmanis, Ka...
FC
2007
Springer
111views Cryptology» more  FC 2007»
14 years 1 months ago
A Privacy-Protecting Multi-Coupon Scheme with Stronger Protection Against Splitting
A multi-coupon (MC) represents a collection of k coupons that a user can redeem to a vendor in exchange for some goods or services. Nguyen (FC 2006), deepening the ideas of Chen et...
Liqun Chen, Alberto N. Escalante, Hans Löhr, ...