Z.  Li, He, L., Li, Z., and Li, Y., ?A novel particle swarm optimization algorithm for network clustering?, Journal of Digital Information Management, vol. 13, no. 1, pp. 1 - 9, 2015.

Y.  Gao, Phillips, C., and He, L., ?GA and PSO-based resource scheduling for orchestrated, distributed computing?, Journal of Digital Information Management, vol. 7, no. 6, pp. 343 - 351, 2009.