储层预测的代价敏感主动学习算法
汪敏,赵飞,闵帆
Reservoir prediction through cost⁃sensitive active learning
Min Wang,Fei Zhao,Fan Min
表1
不完备信息系统
Table 1
An incomplete information system
U
c
1
c
2
c
3
c
4
x
1
*
3.5
1.4
0.2
x
2
*
3.0
1.4
0.2
x
3
*
*
*
0.2
x
4
4.6
3.1
1.5
*
x
5
5.0
*
1.4
*
x
6
7.0
3.2
4.7
*
x
7
6.4
3.2
4.5
1.5
x
8
6.9
3.1
4.9
1.5
x
9
*
2.3
4.0
*
x
10
*
2.8
4.6
1.5
x
11
6.3
3.3
*
2.5
x
12
*
*
5.1
1.9
x
13
7.1
3.0
5.9
2.1
x
14
6.3
2.9
5.6
1.8
x
15
*
3.0
5.8
2.2