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 2 不同模型下不同数据偏态系数的相对误差

Tab.2 Relative errors of bias coefficients for different data under different models

Field SK Rq/% VAE-AQP CWGAN Year 0 2.90 3.38 Month −0.009 3.80 3.91 CBWD −0.114 4.01 5.27 PM25 1.802 6.38 7.59