movielens数据集

[{"title":"（ 23 个子文件 4.71MB ） movielens数据集","children":[{"title":"u2.base <span style='color:#111;'> 1.51MB </span>","children":null,"spread":false},{"title":"allbut.pl <span style='color:#111;'> 716B </span>","children":null,"spread":false},{"title":"ua.test <span style='color:#111;'> 182.30KB </span>","children":null,"spread":false},{"title":"u1.base <span style='color:#111;'> 1.51MB </span>","children":null,"spread":false},{"title":"mku.sh <span style='color:#111;'> 643B </span>","children":null,"spread":false},{"title":"u.data <span style='color:#111;'> 1.89MB </span>","children":null,"spread":false},{"title":"u4.test <span style='color:#111;'> 387.98KB </span>","children":null,"spread":false},{"title":"u.user <span style='color:#111;'> 22.10KB </span>","children":null,"spread":false},{"title":"u.genre <span style='color:#111;'> 202B </span>","children":null,"spread":false},{"title":"u3.base <span style='color:#111;'> 1.51MB </span>","children":null,"spread":false},{"title":"ub.base <span style='color:#111;'> 1.71MB </span>","children":null,"spread":false},{"title":"u.occupation <span style='color:#111;'> 193B </span>","children":null,"spread":false},{"title":"u5.base <span style='color:#111;'> 1.51MB </span>","children":null,"spread":false},{"title":"u3.test <span style='color:#111;'> 387.33KB </span>","children":null,"spread":false},{"title":"u2.test <span style='color:#111;'> 385.96KB </span>","children":null,"spread":false},{"title":"ua.base <span style='color:#111;'> 1.71MB </span>","children":null,"spread":false},{"title":"README <span style='color:#111;'> 6.25KB </span>","children":null,"spread":false},{"title":"u.item <span style='color:#111;'> 230.80KB </span>","children":null,"spread":false},{"title":"u5.test <span style='color:#111;'> 388.08KB </span>","children":null,"spread":false},{"title":"u1.test <span style='color:#111;'> 383.43KB </span>","children":null,"spread":false},{"title":"u.info <span style='color:#111;'> 36B </span>","children":null,"spread":false},{"title":"ub.test <span style='color:#111;'> 182.32KB </span>","children":null,"spread":false},{"title":"u4.base <span style='color:#111;'> 1.51MB </span>","children":null,"spread":false}],"spread":true}]