1. Adams, B., Cha, M., Mislove, A., & Gummadi, K. P. (2008). Characterizing social cascades in flickr. In WOSP’08 (pp. 13–18).
2. Cha, M., Kwak, H., Rodriguez, P., Ahn, Y., & Moon, S. B. (2007). I tube, you tube, everybody tubes: Analyzing the world’s largest user generated content video system. In IMC’07.
3. Cheng, X., Dale, C., & Liu, J. (2007). Understanding the characteristics of internet short video sharing: Youtube as a case study.
4. Crane, R., & Sornette, D. (2008). Robust dynamic classes revealed by measuring the response function of a social system. PNAS, 105(41).
5. dmiracle (2010). Why you can’t just create a viral marketing effect. http://dmiracle.com/marketing-strategy/why-you-cant-just-create-a-viral-marketing-effect/ .