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 5 不同偏态系数查询的相对误差

Fig.5 Relative errors for queries with different bias coefficients