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The EigenAnt Ant Colony System (EAAS) model is an Ant Colony Optimization (ACO) model based on the EigenAnt algorithm. In previous work, EAAS was found to perform competitively with the Enhanced Ant Colony System (EACS) algorithm, a state-of-the-art method for the Sequential Ordering Problem (SOP). In this paper, we extend EAAS by increasing the amount of stochasticity in its solution construction...
The Ant Colony System (ACS) model tends to favor exploitation over exploration, relative to other Ant Colony Optimization (ACO) models. Gambardella et al. (2012) have introduced an Enhanced ACS (EACS) that is even more exploitative than ACS, and have found that EACS improves performance on several problems, including the Sequential Ordering Problem (SOP). In this paper, we propose a variation on EACS...
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