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COMBINATORICS
2000
96views more  COMBINATORICS 2000»
13 years 7 months ago
Automorphisms and Enumeration of Switching Classes of Tournaments
Two tournaments T1 and T2 on the same vertex set X are said to be switching equivalent if X has a subset Y such that T2 arises from T1 by switching all arcs between Y and its comp...
László Babai, Peter J. Cameron
GECCO
2007
Springer
164views Optimization» more  GECCO 2007»
14 years 1 months ago
A study of mutational robustness as the product of evolutionary computation
This paper investigates the ability of a tournament selection based genetic algorithm to find mutationally robust solutions to a simple combinatorial optimization problem. Two di...
Justin Schonfeld
ATAL
2006
Springer
13 years 11 months ago
Market Efficiency, Sales Competition, and the Bullwhip Effect in the TAC SCM Tournaments
The TAC SCM tournament is moving into its fourth year. In an effort to track agent progress, we present a benchmark market efficiency comparison for the tournament, in addition to ...
Patrick R. Jordan, Christopher Kiekintveld, Jason ...
GECCO
2007
Springer
168views Optimization» more  GECCO 2007»
14 years 1 months ago
Empirical analysis of generalization and learning in XCS with gradient descent
We analyze generalization and learning in XCS with gradient descent. At first, we show that the addition of gradient in XCS may slow down learning because it indirectly decreases...
Pier Luca Lanzi, Martin V. Butz, David E. Goldberg
EC
2008
157views ECommerce» more  EC 2008»
13 years 6 months ago
The Crowding Approach to Niching in Genetic Algorithms
A wide range of niching techniques have been investigated in evolutionary and genetic algorithms. In this article, we focus on niching using crowding techniques in the context of ...
Ole J. Mengshoel, David E. Goldberg