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TCC
2007
Springer
114views Cryptology» more  TCC 2007»
16 years 29 days ago
Multi-authority Attribute Based Encryption
Abstract. In an identity based encryption scheme, each user is identified by a unique identity string. An attribute based encryption scheme (ABE), in contrast, is a scheme in whic...
Melissa Chase
WER
2007
Springer
16 years 29 days ago
Role-Based Access Control Requirements Model with Purpose Extension
Role-Based Access Control (RBAC) is increasingly used for ensuring security and privacy in complex organizations such as healthcare institutions. In RBAC, access permissions are g...
Faranak Farzad, Eric Yu, Patrick C. K. Hung
CVPR
2006
IEEE
16 years 28 days ago
Recognition of Composite Human Activities through Context-Free Grammar Based Representation
This paper describes a general methodology for automated recognition of complex human activities. The methodology uses a context-free grammar (CFG) based representation scheme to ...
Michael S. Ryoo, J. K. Aggarwal
HAPTICS
2006
IEEE
16 years 27 days ago
Haptic-Based Biometrics: A Feasibility Study
Biometric systems identify users based on behavioral or physiological characteristics. The advantages of such systems over traditional authentication methods such as passwords are...
Mauricio Orozco Trujillo, Yednek Asfaw, Shervin Sh...
SACMAT
2005
ACM
16 years 12 days ago
Purpose based access control of complex data for privacy protection
As privacy becomes a major concern for both consumers and enterprises, many research efforts have been devoted to the development of privacy protecting technology. We recently pr...
Ji-Won Byun, Elisa Bertino, Ninghui Li