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

图 8 不同采样比例的相对误差

Fig.8 Relative error of different sampling rate