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EUROSYS
2011
ACM
14 years 1 months ago
Increasing performance in byzantine fault-tolerant systems with on-demand replica consistency
Traditional agreement-based Byzantine fault-tolerant (BFT) systems process all requests on all replicas to ensure consistency. In addition to the overhead for BFT protocol and sta...
Tobias Distler, Rüdiger Kapitza
ICC
2009
IEEE
180views Communications» more  ICC 2009»
15 years 4 months ago
Composite Hypothesis Testing for Cooperative Spectrum Sensing in Cognitive Radio
—In this paper, we present a composite hypothesis testing approach for cooperative spectrum sensing. We derive the optimal likelihood ratio test (LRT) statistic based on the Neym...
Sepideh Zarrin, Teng Joon Lim
IC3
2010
14 years 10 months ago
LACAIS: Learning Automata Based Cooperative Artificial Immune System for Function Optimization
Artificial Immune System (AIS) is taken into account from evolutionary algorithms that have been inspired from defensive mechanism of complex natural immune system. For using this ...
Alireza Rezvanian, Mohammad Reza Meybodi
70
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SIGCSE
1999
ACM
83views Education» more  SIGCSE 1999»
15 years 2 months ago
Global cooperation project in computer programming course
A Global Cooperation Project was conducted with computer science classes at the Czech Technical University and North Hennepin Community College. The project was a pilot project fo...
Thomas Macek, Bozena Mannova, Josef Kolar, Barbara...
CORR
2000
Springer
81views Education» more  CORR 2000»
14 years 9 months ago
Safe cooperative robot dynamics on graphs
This paper initiates the use of vector fields to design, optimize, and implement reactive schedules for safe cooperative robot patterns on planar graphs. We consider Automated Gui...
Robert Ghrist, Daniel E. Koditschek