I. S.  Bajwa, Bordbar, B., Lee, M., and Anastasakis, K., ?NL2 Alloy: A tool to generate alloy from NL constraints?, Journal of Digital Information Management, vol. 10, no. 6, pp. 365 - 372, 2012.

Y.  Wei and Guo, Y., ?Research and analysis of improved extraction based on information processing technology?, Journal of Digital Information Management, vol. 10, no. 2, pp. 142 - 146, 2012.