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ICALP
2005
Springer
16 years 29 days ago
How Well Can Primal-Dual and Local-Ratio Algorithms Perform?
We define an algorithmic paradigm, the stack model, that captures many primal-dual and local-ratio algorithms for approximating covering and packing problems. The stack model is ...
Allan Borodin, David Cashman, Avner Magen
ICNC
2005
Springer
16 years 29 days ago
Coevolutionary Genetic Algorithms to Simulate the Immune System's Gene Libraries Evolution
Two binary-encoded models describing some aspects of the coevolution between an artificial immune system and a set of antigens have been proposed and analyzed. The first model ha...
Grazziela Patrocinio Figueredo, Luís Alfred...
GECCO
2009
Springer
113views Optimization» more  GECCO 2009»
16 years 1 days ago
Variable size population for dynamic optimization with genetic programming
A new model of Genetic Programming with variable size population is presented in this paper and applied to the reconstruction of target functions in dynamic environments (i.e. pro...
Leonardo Vanneschi, Giuseppe Cuccu
ECML
2006
Springer
15 years 11 months ago
Ensembles of Nearest Neighbor Forecasts
Nearest neighbor forecasting models are attractive with their simplicity and the ability to predict complex nonlinear behavior. They rely on the assumption that observations simila...
Dragomir Yankov, Dennis DeCoste, Eamonn J. Keogh
LOGCOM
2010
96views more  LOGCOM 2010»
15 years 5 months ago
The Complexity of the Warranted Formula Problem in Propositional Argumentation
The notion of warrant or justification is one of the central concepts in formal models of argumentation. The dialectical definition of warrant is expressed in terms of recursive...
Robin Hirsch, Nikos Gorogiannis
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