路网移动对象聚集索引技术
冯钧1, 史涯晴1,2, 唐志贤1, 芮彩华1

Aggregation index technique of moving objects in road networks
FENG Jun1, SHI Ya-qing1,2, TANG Zhi-xian1, RUI Cai-hua1
图10 不同时间间隔路段单个方向查询相对误差
Fig.10 Single direction of road segment query relative error while different time intervals