Title	A Probabilistic Modeling Clonal Selection Algorithm and Its Application to Traveling Salesman Problems
Author	Huiqin Chen, Shangce Gao, Sheng Li, Zheng Tang
Citation	Vol. 10  No. 6  pp. 57-62
Keywords	Clonal selection algorithm, probabilistic modeling, receptor gene, traveling salesman problems

Title	Study of Pseudo-Parallel Genetic Algorithm with Ant Colony Optimization to Solve the TSP
Author	Sheng Li, Huiqin Chen, Zheng Tang
Citation	Vol. 11  No. 3  pp. 73-79
Keywords	Traveling salesman, genetic algorithm, pseudo-parallel, ant colony optimization, hybridization

Title	Hybrid Gravitational Search Algorithm with Random-key Encoding Scheme Combined with Simulated Annealing
Author	Huiqin Chen, Sheng Li, Zheng Tang
Citation	Vol. 11  No. 6  pp. 208-217
Keywords	Gravitational search, simulated annealing, local improvement, population-based algorithm, hybridization