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CCS
2007
ACM
15 years 3 months ago
Incremental adaptation of XPath access control views
Materialized XPath access-control views are commonly used for enforcing access control. When access control rules defining a materialized XML access-control view change, the view...
Padmapriya Ayyagari, Prasenjit Mitra, Dongwon Lee,...
IHI
2010
197views Healthcare» more  IHI 2010»
14 years 4 months ago
Beyond safe harbor: automatic discovery of health information de-identification policy alternatives
Regulations in various countries permit the reuse of health information without patient authorization provided the data is "de-identified". In the United States, for ins...
Kathleen Benitez, Grigorios Loukides, Bradley Mali...
CCS
2004
ACM
15 years 2 months ago
Comparing the expressive power of access control models
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...
Mahesh V. Tripunitara, Ninghui Li
WPES
2003
ACM
15 years 2 months ago
Anonymous credentials with biometrically-enforced non-transferability
We present a model and protocol for anonymous credentials. Rather than using deterrents to ensure non-transferability, our model uses secure hardware with biometric authentication...
Russell Impagliazzo, Sara Miner More
CCS
2007
ACM
15 years 3 months ago
A simple and expressive semantic framework for policy composition in access control
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Glenn Bruns, Daniel S. Dantas, Michael Huth