1. Transformation of the generalized traveling salesman problem into the standard traveling salesman problem;Lien;Information Science.,1993
2. Dorigo M, Gambardella LM. A study of some properties of ant-Q. In: Voigt H-M, Ebeling W, Rechenberg I, Schwefel H-S, eds. Proceedings of the PPSN 44th International Conference on Parallel Problem Solving from Nature. Berlin: Springer-Verlag, 1996. 656-665. .
3. An ant colony system hybridized with a new local search for the sequential ordering problem;Gambardella;INFORMS Journal on Computing,2000
4. Data mining with an ant colony optimization algorithm;Parpinelli;IEEE Trans. on Evolutionary Computation,2002
5. An ant colony algorithm with mutation features;Wu;Journal of Computer Research & Development,1999