6Cheng, X. , Dale, C. and Liu, J. Understanding the Characteristics of Internet short video sharing : YouTube as a case study, http://www, webdialogues, net,2009 -04 -23.
9Meeyoung Cha, Haewoon Kwak, Pablo Rodriguez, Yong - Yeol Ahn and Sue Moon. I tube, you tube, everybody tubes:analyzing the world's largest user generated content video system. In IMC07 :Proceedings of the 7th ACM SIG- COMM conference on Internet measurement, San Diego, California, USA ,2007. ACM : 1 - 14.