Hierarchical Semantic Model of Geovideo
XIE Xiao, ZHU Qing, ZHANG Yeting, ZHOU Yan, XU Weiping, WU Chen
Acta Geodaetica et Cartographica Sinica . 2015, (5): 555 -562 .  DOI: 10.11947/j.AGCS.2015.20140176