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RSA
2000
170views more  RSA 2000»
15 years 6 months ago
Delayed path coupling and generating random permutations
We analyze various stochastic processes for generating permutations almost uniformly at random in distributed and parallel systems. All our protocols are simple, elegant and are b...
Artur Czumaj, Miroslaw Kutylowski
CCS
2007
ACM
16 years 24 days ago
Administration in role-based access control
Administration of large-scale RBAC systems is a challenging open problem. We propose a principled approach in designing and analyzing administrative models for RBAC. We identify s...
Ninghui Li, Ziqing Mao
ISQED
2006
IEEE
116views Hardware» more  ISQED 2006»
16 years 19 days ago
Probabilistic Delay Budgeting for Soft Realtime Applications
Unlike their hard realtime counterparts, soft realtime applications are only expected to guarantee their ”expected delay” over input data space. This paradigm shift calls for ...
Soheil Ghiasi, Po-Kuan Huang
149
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IROS
2009
IEEE
150views Robotics» more  IROS 2009»
16 years 1 months ago
Basic running test of the cylindrical tracked vehicle with sideways mobility
— In this paper, the basic running performance of the cylindrical tracked vehicle with sideways mobility is presented. The crawler mechanism is of circular cross-section and has ...
Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatan...
IROS
2007
IEEE
91views Robotics» more  IROS 2007»
16 years 27 days ago
A dynamic single actuator vertical climbing robot
— A climbing robot mechanism is introduced, which uses dynamic movements to climb between two parallel vertical walls. This robot relies on its own internal dynamic motions to ga...
Amir Degani, Amir Shapiro, Howie Choset, Matthew T...