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.

Z.  Li and Weixi, Z., ?The computer design of practical filter?, Journal of Digital Information Management, vol. 11, no. 3, pp. 175 - 178, 2013.

Z.  Li and Huang, Z., ?Design of a teaching robot based on fischertechnik model?, Journal of Digital Information Management, vol. 11, no. 3, pp. 190 - 193, 2013.

B.  Xu, Li, Z., and Xie, S., ?Rotation invariant texture image retrieval based on log-polar and NSCT?, Journal of Digital Information Management, vol. 11, no. 6, pp. 470 - 475, 2013.

G.  Li, Li, Z., Kong, J., Jiang, G., and Xie, L., ?Structure optimization of ladle bottom based on finite element method?, Journal of Digital Information Management, vol. 11, no. 2, pp. 120 - 124, 2013.