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» A security framework for agent-based systems
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CCS
2010
ACM
13 years 8 months ago
Attacks and design of image recognition CAPTCHAs
We systematically study the design of image recognition CAPTCHAs (IRCs) in this paper. We first review and examine all IRCs schemes known to us and evaluate each scheme against th...
Bin B. Zhu, Jeff Yan, Qiujie Li, Chao Yang, Jia Li...
TPDS
2008
202views more  TPDS 2008»
13 years 8 months ago
Control-Based Adaptive Middleware for Real-Time Image Transmission over Bandwidth-Constrained Networks
Real-time image transmission is crucial to an emerging class of distributed embedded systems operating in open network environments. Examples include avionics mission replanning ov...
Xiaorui Wang, Ming Chen, Huang-Ming Huang, Venkita...
IROS
2006
IEEE
140views Robotics» more  IROS 2006»
14 years 2 months ago
Developing a non-intrusive biometric environment
— The development of large scale biometric systems requires experiments to be performed on large amounts of data. Existing capture systems are designed for fixed experiments and...
Lee Middleton, David K. Wagg, Alex I. Bazin, John ...
CCS
2005
ACM
14 years 2 months ago
CPOL: high-performance policy evaluation
Policy enforcement is an integral part of many applications. Policies are often used to control access to sensitive information. Current policy specification languages give users ...
Kevin Borders, Xin Zhao, Atul Prakash
TLDI
2010
ACM
190views Formal Methods» more  TLDI 2010»
14 years 5 months ago
Distributed programming with distributed authorization
We propose a programming language, called PCML5, for building distributed applications with distributed access control. Target applications include web-based systems in which prog...
Kumar Avijit, Anupam Datta, Robert Harper