F.  Wang, Wang, Y. - L., Liu, Z. - J., Cui, X., and Zhang, P., ?Model of e-commerce cloud warehouse grading based on mass simulation data?, Journal of Digital Information Management, vol. 14, no. 5, pp. 311 - 321, 2016.

P.  Zhang and Helvik, B. E., ?Modeling push-based live P2P streaming by stochastic activity networks?, Journal of Digital Information Management, vol. 10, no. 4, pp. 236 - 244, 2012.

W.  Sun, Guo, C., Zhang, P., Zhang, N., and Wang, H., ?A dynamic role-based authorization model in grid environment?, Journal of Digital Information Management, vol. 9, no. 6, pp. 242 - 248, 2011.