Basic statistical properties of the two data sets.
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https://figshare.com/articles/dataset/_Basic_statistical_properties_of_the_two_data_sets_/1263047
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, , and represent the number of users, items and links, and stand for the average degrees of users and items, and denotes the data sparsity.
Basic statistical properties of the two data sets.
创建时间：
2014-12-05
