Yu, Bin; Yang, Zhong-Zhen; Yao, Baozhen - In: European Journal of Operational Research 196 (2009) 1, pp. 171-176
The vehicle routing problem (VRP), a well-known combinatorial optimization problem, holds a central place in logistics management. This paper proposes an improved ant colony optimization (IACO), which possesses a new strategy to update the increased pheromone, called ant-weight strategy, and a...