Hwang, D., J. E. Jung, S. Park, and H. T. Nguyen. “Social Data Visualization System for Understanding Diffusion Patterns on Twitter: A Case Study on Korean Enterprises”. COMPUTING AND INFORMATICS, vol. 33, no. 3, Feb. 2015, pp. 591-08, http://www.cai.sk/ojs/index.php/cai/article/view/2220.