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. 2020 May 25;12142:3–16. doi: 10.1007/978-3-030-50433-5_1

Table 1.

Statistics about benchmark datasets.

Name Movielens [5] Netflix [4] Yahoo [3] Amazon [8]
Scale 1–5 1–5 0–100 1–5
#Rows 138.5 K 480.2 K 1.0 M 21.2 M
#Columns 27.3 K 17.8 K 625.0 K 9.7 M
#Ratings 20.0 M 100.5 M 262.8 M 82.5 M
Sparsity 189 85 2.4 K 2.4 M
Ratings/row 144 209 263 4
#Rows/#cols 5.1 27.0 1.6 2.2
K 10 100 100 10
Rows/sec (Inline graphic1000) 416 15 27 911
Ratings/sec (Inline graphic10Inline graphic) 70 5.5 5.2 3.8