yelp数据集

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style='color:#111;'>542.20KB</span>","children":null,"spread":false},{"title":"items.txt <span style='color:#111;'>696.80KB</span>","children":null,"spread":false},{"title":"nightlife_test.txt <span style='color:#111;'>307.53KB</span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'>358B</span>","children":null,"spread":false}],"spread":true},{"title":"shopping","children":[{"title":"shopping_test.txt <span style='color:#111;'>107.11KB</span>","children":null,"spread":false},{"title":"ratings.txt <span style='color:#111;'>477.36KB</span>","children":null,"spread":false},{"title":"shopping_training.txt <span style='color:#111;'>370.25KB</span>","children":null,"spread":false},{"title":"users.txt <span style='color:#111;'>443.34KB</span>","children":null,"spread":false},{"title":"items.txt <span style='color:#111;'>681.60KB</span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'>1.31KB</span>","children":null,"spread":false}],"spread":true},{"title":"active","children":[{"title":"active_training.txt <span style='color:#111;'>255.57KB</span>","children":null,"spread":false},{"title":"ratings.txt <span style='color:#111;'>339.57KB</span>","children":null,"spread":false},{"title":"active_test.txt <span style='color:#111;'>84.01KB</span>","children":null,"spread":false},{"title":"users.txt <span style='color:#111;'>1.75MB</span>","children":null,"spread":false},{"title":"items.txt <span style='color:#111;'>239.33KB</span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'>847B</span>","children":null,"spread":false}],"spread":true},{"title":"beautysvc","children":[{"title":"beautysvc_test.txt <span style='color:#111;'>58.05KB</span>","children":null,"spread":false},{"title":"ratings.txt <span style='color:#111;'>301.37KB</span>","children":null,"spread":false},{"title":"users.txt <span style='color:#111;'>1.53MB</span>","children":null,"spread":false},{"title":"items.txt <span style='color:#111;'>319.19KB</span>","children":null,"spread":false},{"title":"beautysvc_training.txt <span style='color:#111;'>171.24KB</span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'>392B</span>","children":null,"spread":false}],"spread":true},{"title":"pets","children":[{"title":"ratings.txt <span style='color:#111;'>40.56KB</span>","children":null,"spread":false},{"title":"users.txt <span style='color:#111;'>237.94KB</span>","children":null,"spread":false},{"title":"pets_traning.txt <span style='color:#111;'>30.90KB</span>","children":null,"spread":false},{"title":"pets_test.txt <span style='color:#111;'>9.66KB</span>","children":null,"spread":false},{"title":"items.txt <span style='color:#111;'>68.93KB</span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'>272B</span>","children":null,"spread":false}],"spread":true},{"title":"homeservices","children":[{"title":"homeservices_test.txt <span style='color:#111;'>17.16KB</span>","children":null,"spread":false},{"title":"ratings.txt <span style='color:#111;'>70.79KB</span>","children":null,"spread":false},{"title":"homeservices_training.txt <span style='color:#111;'>53.63KB</span>","children":null,"spread":false},{"title":"users.txt <span style='color:#111;'>571.12KB</span>","children":null,"spread":false},{"title":"items.txt <span style='color:#111;'>140.63KB</span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'>908B</span>","children":null,"spread":false}],"spread":true},{"title":"hotelstravel","children":[{"title":"ratings.txt <span style='color:#111;'>297.72KB</span>","children":null,"spread":false},{"title":"users.txt <span style='color:#111;'>1.54MB</span>","children":null,"spread":false},{"title":"hotelstravel_traning.txt <span style='color:#111;'>224.04KB</span>","children":null,"spread":false},{"title":"items.txt <span style='color:#111;'>192.04KB</span>","children":null,"spread":false},{"title":"hotelstravel_test.txt <span style='color:#111;'>73.68KB</span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'>430B</span>","children":null,"spread":false}],"spread":true},{"title":"readme.txt <span style='color:#111;'>991B</span>","children":null,"spread":false}],"spread":true}],"spread":true}]