1. Foster, I., Kesselman, C.: The Grid: Blueprint For A New Computing Infrastructure. Morgan Kaufmann, USA (2004)
2. Garey, M.R., Johnson, D.S.: Computers and Intractability: A Guide to the Theory of NP-Completeness. Freeman, CA (1979)
3. Martino, V.D., Mililotti, M.: Sub optimal scheduling in a grid using genetic algorithms. Parallel Computing 30, 553–565 (2004)
4. Gao, Y., Rong, H.Q., Huang, J.Z.: Adaptive Grid Job Scheduling With Genetic Algorithms. Future Generation Computer Systems 21, 151–161 (2005)
5. Pang, W., Wang, K.P., Zhou, C.G., et al.: Fuzzy discrete particle swarm optimization for solving traveling salesman problem. In: Proceedings of the 4th International Conference on Computer and Information Technology. IEEE CS Press, Los Alamitos (2004)