{
  "total": 73,
  "topics": [
    {
      "id": 46339,
      "title": "Invitation to WSDM Cup 2018 Workshop from Competition Organizers ",
      "comment_count": 10,
      "views": 0,
      "votes": 4
    },
    {
      "id": 46169,
      "title": "Leaderboard is final - congrats to the winners!",
      "comment_count": 6,
      "views": 0,
      "votes": 5
    },
    {
      "id": 40105,
      "title": "Official External Data Thread",
      "comment_count": 29,
      "views": 0,
      "votes": 5
    },
    {
      "id": 40857,
      "title": "Clarification on Travel Grants",
      "comment_count": 7,
      "views": 0,
      "votes": 1
    },
    {
      "id": 378155,
      "title": "Workshop and experiments with the competition dataset)",
      "comment_count": 0,
      "views": 0,
      "votes": 1
    },
    {
      "id": 268266,
      "title": "How to use GPU parameters in LGBMClassifier and GridSearchCV? PLEASE HELP!",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 40355,
      "title": "Members - registered via ",
      "comment_count": 1,
      "views": 0,
      "votes": 3
    },
    {
      "id": 152026,
      "title": "some mano(userid) in train.csv is equal to songid in songs.csv,why?",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 145084,
      "title": "Unzip the 7z source dataset",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 44262,
      "title": "Anybody tries rnn?",
      "comment_count": 3,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45213,
      "title": "List of Dataset Quirks ",
      "comment_count": 8,
      "views": 0,
      "votes": 12
    },
    {
      "id": 43571,
      "title": "Chinese to English Translation",
      "comment_count": 3,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45999,
      "title": "My solution without time series assumption",
      "comment_count": 12,
      "views": 0,
      "votes": 15
    },
    {
      "id": 45616,
      "title": "Interpretation and utility of user ID (msno) in decision trees",
      "comment_count": 5,
      "views": 0,
      "votes": 1
    },
    {
      "id": 56104,
      "title": "what is train_add",
      "comment_count": 0,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45971,
      "title": "The 3d place solution",
      "comment_count": 34,
      "views": 0,
      "votes": 44
    },
    {
      "id": 45942,
      "title": "A brief introduction to the 1st place solution (codes released)",
      "comment_count": 97,
      "views": 0,
      "votes": 119
    },
    {
      "id": 46240,
      "title": "Thread for WSDM related news (paper submission & conference attending)",
      "comment_count": 4,
      "views": 0,
      "votes": 4
    },
    {
      "id": 46156,
      "title": "Is private leaderboard a final leaderboard?",
      "comment_count": 0,
      "views": 0,
      "votes": 3
    },
    {
      "id": 46165,
      "title": "Why doing np.log1p(song['song_length']) twice?",
      "comment_count": 0,
      "views": 0,
      "votes": 1
    },
    {
      "id": 46044,
      "title": "A little question about the Gold/Silver/Bronze medal ",
      "comment_count": 2,
      "views": 0,
      "votes": 2
    },
    {
      "id": 45614,
      "title": "make use of representation learning methods",
      "comment_count": 21,
      "views": 0,
      "votes": 18
    },
    {
      "id": 45919,
      "title": "Congrats to number 1",
      "comment_count": 7,
      "views": 0,
      "votes": 4
    },
    {
      "id": 45853,
      "title": "Public versus private score",
      "comment_count": 8,
      "views": 0,
      "votes": 5
    },
    {
      "id": 45832,
      "title": "Are we allowed to use Time Series based Features",
      "comment_count": 2,
      "views": 0,
      "votes": 2
    },
    {
      "id": 45909,
      "title": "dataset irregularities",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45807,
      "title": "why xgboost valid auc is 1?",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 44866,
      "title": "What's the best single model score now?",
      "comment_count": 25,
      "views": 0,
      "votes": 4
    },
    {
      "id": 45736,
      "title": "Looking for a teammate",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45602,
      "title": "Need any sampling?",
      "comment_count": 4,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45095,
      "title": "How to determine the 'num_leaves' in LightGBM?",
      "comment_count": 4,
      "views": 0,
      "votes": 2
    },
    {
      "id": 45296,
      "title": "How to feed certain user's historical behavior/song taste",
      "comment_count": 1,
      "views": 0,
      "votes": 2
    },
    {
      "id": 44977,
      "title": "some thinking about the local AUC",
      "comment_count": 4,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45248,
      "title": "What's your score gap between validation set and PB? Do you have any ensemble now or plan to do so later?",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 44175,
      "title": "xLearn - High-Performance and Scalable Machine Learning Package",
      "comment_count": 5,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45075,
      "title": "What's the difference between two validation strategy?",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43890,
      "title": "Is there any success with external data?",
      "comment_count": 14,
      "views": 0,
      "votes": 4
    },
    {
      "id": 44485,
      "title": "Validation Strategy (how to split data regardless which model)?",
      "comment_count": 6,
      "views": 0,
      "votes": 2
    },
    {
      "id": 44748,
      "title": "Tips for analyzing why a model gets predictions wrong?",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43705,
      "title": "Too big data to open in excel",
      "comment_count": 4,
      "views": 0,
      "votes": 2
    },
    {
      "id": 42900,
      "title": "I got a much higher score on validation set, but a lower score on pb lb.",
      "comment_count": 11,
      "views": 0,
      "votes": 2
    },
    {
      "id": 42795,
      "title": "Intuition: collaborative filtering?",
      "comment_count": 13,
      "views": 0,
      "votes": 4
    },
    {
      "id": 44046,
      "title": "how is your LB score compared with your local CV result?",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43860,
      "title": "How did you use msno and song_id",
      "comment_count": 4,
      "views": 0,
      "votes": 6
    },
    {
      "id": 43888,
      "title": "Pandas DataType not understood",
      "comment_count": 3,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43645,
      "title": "Dig into Chinese",
      "comment_count": 0,
      "views": 0,
      "votes": 12
    },
    {
      "id": 41795,
      "title": "Reason for using probability in submission",
      "comment_count": 4,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40384,
      "title": "Need of a good validation set",
      "comment_count": 12,
      "views": 0,
      "votes": 8
    },
    {
      "id": 43074,
      "title": "Share of ideas",
      "comment_count": 15,
      "views": 0,
      "votes": 7
    },
    {
      "id": 43490,
      "title": "About the ranking points",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43352,
      "title": "read csv failure on latest Pandas 21.0 [kaggle kernels]",
      "comment_count": 0,
      "views": 0,
      "votes": 3
    },
    {
      "id": 43345,
      "title": "Quick question on age...",
      "comment_count": 0,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43207,
      "title": "One Hot Encoding",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43076,
      "title": "Memory problem with xgBoost",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43138,
      "title": "Working with a smaller data set for training",
      "comment_count": 0,
      "views": 0,
      "votes": 1
    },
    {
      "id": 42626,
      "title": "User+Song Combination in both  train test set",
      "comment_count": 2,
      "views": 0,
      "votes": 5
    },
    {
      "id": 42647,
      "title": "Multiple genres",
      "comment_count": 2,
      "views": 0,
      "votes": 2
    },
    {
      "id": 41589,
      "title": "Need some explanation for table and variables",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 42063,
      "title": "What's the insight of \"expiration_date\"?",
      "comment_count": 0,
      "views": 0,
      "votes": -2
    },
    {
      "id": 41293,
      "title": "Anyone tried xgboost? It's too Slow ?",
      "comment_count": 9,
      "views": 0,
      "votes": 1
    },
    {
      "id": 41390,
      "title": "Strategy to build Diverse Models, Strategy to know which models do well blends well",
      "comment_count": 9,
      "views": 0,
      "votes": 2
    },
    {
      "id": 41289,
      "title": "Need explanation for duplicate feature rows",
      "comment_count": 3,
      "views": 0,
      "votes": 1
    },
    {
      "id": 41348,
      "title": "Need clarification for the target variable",
      "comment_count": 3,
      "views": 0,
      "votes": -2
    },
    {
      "id": 40862,
      "title": "Looking for  Team Mate",
      "comment_count": 8,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40279,
      "title": "Understand the dataset Registration_init_time",
      "comment_count": 4,
      "views": 0,
      "votes": 3
    },
    {
      "id": 40354,
      "title": "Model Evaluation - Area Under ROC Curve",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 41346,
      "title": "Need clarification regarding target variable",
      "comment_count": 0,
      "views": 0,
      "votes": -5
    },
    {
      "id": 40854,
      "title": "Why exclude the timestamp of first listening of user-song pairs?",
      "comment_count": 5,
      "views": 0,
      "votes": 19
    },
    {
      "id": 41347,
      "title": "Need clarification regarding target variable",
      "comment_count": 0,
      "views": 0,
      "votes": -8
    },
    {
      "id": 41014,
      "title": "What is 'age' exactly?",
      "comment_count": 3,
      "views": 0,
      "votes": 2
    },
    {
      "id": 40873,
      "title": "Missing Songs",
      "comment_count": 2,
      "views": 0,
      "votes": 2
    },
    {
      "id": 40390,
      "title": "Y target data explainations ?",
      "comment_count": 7,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40139,
      "title": "Why exclude the Song names?",
      "comment_count": 3,
      "views": 0,
      "votes": 1
    }
  ],
  "errors": []
}