@anhmv
Recommendation system is an information filtering system that attempt to present the user information they interested in.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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0
0
0
0
0
0
0
0
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0
0
0
0
Dimension
Vector
= (1,
1,
1,
1,
1,
1,
1,
= (1,
1,
1,
1)
1,
1,
1,
1,
1)
0,
0,
0,
0,
0,
0,
0)
= (0,
0,
0,
0,
0,
0)
= (0,
0,
0,
0,
0,
0)
= (0,
0,
0,
0,
0,
0,
0,
= (0,
0,
0,
0,
0,
0,
0)
0,
0,
0,
0,
0,
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
0
0
0
0
0.707
0
0
0
0
0.707
0
0
0.408
0.288
0
0
0.408
0.288
0
0
0.408
0.408
0.408
0.408
0
0
0.353
0.353
0
0
1
2
3
4
5
6
1
2
3
4
5
6
0
0
0
0
0.707
0
0
0
0
0.707
0
0
0.408
0.288
0
0
0.408
0.288
0
0
0.408
0.408
0.408
0.408
0
0
0.353
0.353
0
0
1
2
4
0.707
0.288
0.353
6
K = 3
Only get 3 most similar users
1
2
4
0.707
0.288
0.353
6
K = 3
Only get 3 most similar users
0.288
0.288
0.353
6
0.288
0.288
0.353