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Computational Intelligence and Neuroscience
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Computational Intelligence and Neuroscience
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2022
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Article
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Tab 3
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Research Article
[Retracted] Design of Mobile English Teaching Platform Based on Collaborative Filtering Algorithm
Table 3
User rating matrix.
I
1
I
2
I
3
I
4
u
1
5
1
0
3
u
2
5
0
1
0
u
3
2
0
0
3
u
4
5
1
1
4
u
5
1
0
2
3
