Table 3 Basic information of the Movie-lens 100k Data-set.

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

Basic Information

Movie-lens 100k

Movie-lens 1 M

Number of user

943

6040

Number of Movie

1682

3900

User rating items

100,000

1,000,209

Data sparsity

95.5%

95.5%

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