Qingshan Liu Zhigang Hua Cunxun Zang Xiaofeng Tong Hanqing Lu Providing on-demand sports video to mobile devices. 347-350 2005 conf/mm/2005 ACM Multimedia http://doi.acm.org/10.1145/1101149.1101222 db/conf/mm/mm2005.html#LiuHZTL05