Jianping Fan 0001 Xingquan Zhu 0001 Kayvan Najarian Lide Wu Accessing Video Contents through Key Objects over IP. 75-96 2003 21 Multim. Tools Appl. 1 https://doi.org/10.1023/A:1025086200838 db/journals/mta/mta21.html#FanZNW03