Purohit, H., Y. Ruan, D. Fuhry, S. Parthasarathy, and A. Sheth. “On Understanding the Divergence of Online Social Group Discussion”. Proceedings of the International AAAI Conference on Web and Social Media, vol. 8, no. 1, May 2014, pp. 396-05, doi:10.1609/icwsm.v8i1.14557.