%0 Journal Article
	%A Y. K. Lin and  H. T. Hsieh and  F. Y. Hsieh
	%D 2012
	%J International Journal of Industrial and Manufacturing Engineering
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 68, 2012
	%T Unrelated Parallel Machines Scheduling Problem Using an Ant Colony Optimization Approach
	%U https://publications.waset.org/pdf/15712
	%V 68
	%X Total weighted tardiness is a measure of customer
satisfaction. Minimizing it represents satisfying the general
requirement of on-time delivery. In this research, we consider an ant
colony optimization (ACO) algorithm to solve the problem of
scheduling unrelated parallel machines to minimize total weighted
tardiness. The problem is NP-hard in the strong sense. Computational
results show that the proposed ACO algorithm is giving promising
results compared to other existing algorithms.
	%P 1727 - 1732