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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2022
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Article
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Tab 1
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Research Article
Analysis of Precision Service of Agricultural Product e-Commerce Based on Multimodal Collaborative Filtering Algorithm
Table 1
Scoring matrix.
I
1
I
2
…
I
n
_
U
1
_
3
3
…
3
U
2
4
4
…
5
…
…
…
…
…
U
m
1
2
…
5