Table 1 User rating.

From: Research on collaborative filtering algorithm based on improved K-means algorithm for user attribute rating and co-rating

User

Movie

\(\:\text{M}\text{o}\text{v}\text{i}\text{e}1\)

\(\:\text{M}\text{o}\text{v}\text{i}\text{e}2\)

\(\:\text{M}\text{o}\text{v}\text{i}\text{e}3\)

\(\:\text{M}\text{o}\text{v}\text{i}\text{e}4\)

\(\:\text{M}\text{o}\text{v}\text{i}\text{e}5\)

\(\:\text{U}\)

3

1

1

4

4

\(\:\text{V}\)

1

4

4

1

1

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