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 | 
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			 Optimization method of approximate aggregate query based on variational auto-encoder  | 
	
| Longsen HUANG,Jun FANG,Yunliang ZHOU,Zhicheng GUO | 
| 图 3 变分自编码器的神经网络结构 | 
| Fig.3 Neural network structure of variational auto-encoder | 
						 
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