基于变分自编码器的近似聚合查询优化方法
黄龙森,房俊,周云亮,郭志城
Optimization method of approximate aggregate query based on variational auto-encoder
Longsen HUANG,Jun FANG,Yunliang ZHOU,Zhicheng GUO
表 3
分组基数的比较
Tab.3
Comparison of subgroup bases
N
g
$ {T}_{\mathrm{a}\mathrm{v}\mathrm{g}} $
/s
A
cc
/%
100
13.26
96.20
1000
16.13
98.10
10000
124.02
98.24