[{"title":"( 6 个子文件 16.9MB ) KDD-CUP 2017获奖团队答辩PPT","children":[{"title":"KDD CUP-17获奖团队答辩PPT","children":[{"title":"Task1_2ndPlace.pdf <span style='color:#111;'> 447.42KB </span>","children":null,"spread":false},{"title":"Task2_3rdPlace.pdf <span style='color:#111;'> 1.67MB </span>","children":null,"spread":false},{"title":"Task1_1stPlace.pdf <span style='color:#111;'> 1.24MB </span>","children":null,"spread":false},{"title":"Task1_3rdPlace.pdf <span style='color:#111;'> 1.94MB </span>","children":null,"spread":false},{"title":"Task2_1stPlace.pdf <span style='color:#111;'> 2.01MB </span>","children":null,"spread":false},{"title":"Task2_2ndPlace.pdf <span style='color:#111;'> 10.66MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]