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 Jun
1
, SHI Ya-qing
1,
2
, TANG Zhi-xian
1
, RUI Cai-hua
1
图9 不同时间间隔相对误差的比较
Fig.9 Relative error comparison while different time intervals