{
  "total": 130,
  "topics": [
    {
      "id": 46340,
      "title": "Invitation to WSDM Cup 2018 Workshop from Competition Organizers",
      "comment_count": 3,
      "views": 0,
      "votes": 7
    },
    {
      "id": 46170,
      "title": "Leaderboard is final - congrats to the winners!",
      "comment_count": 5,
      "views": 0,
      "votes": null
    },
    {
      "id": 43169,
      "title": "Announcement: New test data released",
      "comment_count": 14,
      "views": 0,
      "votes": 4
    },
    {
      "id": 39672,
      "title": "Welcome!",
      "comment_count": 25,
      "views": 0,
      "votes": 18
    },
    {
      "id": 40856,
      "title": "Clarification on Travel Grants",
      "comment_count": 0,
      "views": 0,
      "votes": -1
    },
    {
      "id": 193814,
      "title": "please help me",
      "comment_count": 1,
      "views": 0,
      "votes": 2
    },
    {
      "id": 191924,
      "title": "NEED TO HELP",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 129907,
      "title": "Can't access data in Kernels",
      "comment_count": 1,
      "views": 0,
      "votes": 2
    },
    {
      "id": 45932,
      "title": "About training data",
      "comment_count": 6,
      "views": 0,
      "votes": 2
    },
    {
      "id": 46078,
      "title": "Solution sharing",
      "comment_count": 8,
      "views": 0,
      "votes": 8
    },
    {
      "id": 41025,
      "title": "Missing Members Data",
      "comment_count": 3,
      "views": 0,
      "votes": null
    },
    {
      "id": 47292,
      "title": "Can this happen with transaction dataset",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 45926,
      "title": "Features, features, features",
      "comment_count": 19,
      "views": 0,
      "votes": 10
    },
    {
      "id": 46856,
      "title": "Academic Research on Churn Prediction Dataset",
      "comment_count": 0,
      "views": 0,
      "votes": 4
    },
    {
      "id": 46681,
      "title": "try",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 45921,
      "title": "How to validate if one didn't use old members.csv?",
      "comment_count": 17,
      "views": 0,
      "votes": 7
    },
    {
      "id": 45991,
      "title": "Accuracy of the labels in training_v2.csv",
      "comment_count": 9,
      "views": 0,
      "votes": 1
    },
    {
      "id": 45927,
      "title": "Leakage, Leakage, Leakages",
      "comment_count": 3,
      "views": 0,
      "votes": null
    },
    {
      "id": 45690,
      "title": "Release of Winning Model Code/Features?",
      "comment_count": 4,
      "views": 0,
      "votes": null
    },
    {
      "id": 45931,
      "title": "Curious to know what are the different approachs , you use for this competition?",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 45615,
      "title": "Different label pre-processing method,  which to trust?",
      "comment_count": 8,
      "views": 0,
      "votes": null
    },
    {
      "id": 44112,
      "title": "Using WSDMChurnLabeller.scala",
      "comment_count": 5,
      "views": 0,
      "votes": null
    },
    {
      "id": 44404,
      "title": "Is this competition all about overfitting?",
      "comment_count": 27,
      "views": 0,
      "votes": 5
    },
    {
      "id": 44798,
      "title": "How to run scala file? Do I need to make .jar file first?",
      "comment_count": 4,
      "views": 0,
      "votes": null
    },
    {
      "id": 45197,
      "title": "Test Data?",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 44280,
      "title": "Feature Engineering in User_Logs",
      "comment_count": 11,
      "views": 0,
      "votes": null
    },
    {
      "id": 44791,
      "title": "count of members vs submission",
      "comment_count": 13,
      "views": 0,
      "votes": null
    },
    {
      "id": 45082,
      "title": "Problem about data understanding (ask for help)",
      "comment_count": 3,
      "views": 0,
      "votes": null
    },
    {
      "id": 45047,
      "title": "Multiple sets (tables)",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 45124,
      "title": "Data quality issues/fraud?",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 44363,
      "title": "Urgent question to admins: What data can we use?",
      "comment_count": 12,
      "views": 0,
      "votes": 5
    },
    {
      "id": 44873,
      "title": "In public leaderboard we trust... Rigth or Wrong?",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 44733,
      "title": "Urgent Requirement- Could official organizers offer label generator in python language",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 44737,
      "title": "what is correct submission file? Could the official give a consistent answer><",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 44271,
      "title": "Why is this user is considered as 'is_churn=1' in March?",
      "comment_count": 4,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43145,
      "title": "something really hard to understand",
      "comment_count": 8,
      "views": 0,
      "votes": 6
    },
    {
      "id": 44289,
      "title": "V2 files are not accessible",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 44178,
      "title": "xLearn - High-Performance and Scalable Machine Learning Package",
      "comment_count": 2,
      "views": 0,
      "votes": 3
    },
    {
      "id": 44252,
      "title": "payment_plan_days (transaction.csv)",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 42953,
      "title": "Did new member data has feature \"expiration_date\" ?",
      "comment_count": 7,
      "views": 0,
      "votes": 1
    },
    {
      "id": 44312,
      "title": "Is anybody know the snapshot date for the test dataset？",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 44264,
      "title": "not churn / churn old dataset  (137 entries wrong) ??",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 43468,
      "title": "Should I use the \"expiration date\"?",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 44203,
      "title": "submission question - Are we trying to predict May or April?",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 44134,
      "title": "Missing msno in members_v3",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 43622,
      "title": "Confused aboout the train data",
      "comment_count": 4,
      "views": 0,
      "votes": 2
    },
    {
      "id": 44044,
      "title": "Why doesn't transactions_v2 have the same unique msnos as train_v2?",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 43764,
      "title": "User Only Has Is_Cancel = 1 transaction...",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43767,
      "title": "is there any way to create a stable offline train and val datasets?",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 43387,
      "title": "how come this user is churn? SlkPQrh6oIqsdpW+Sl2adYlJNEwWSQsIYycM11dSUQg=",
      "comment_count": 9,
      "views": 0,
      "votes": null
    },
    {
      "id": 43555,
      "title": "Can we create our own churn and test data?",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 43493,
      "title": "Is public and private leaderboard data still split by transaction date?",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 43153,
      "title": "Missing users",
      "comment_count": 4,
      "views": 0,
      "votes": 3
    },
    {
      "id": 43402,
      "title": "Confused by submission guidelines",
      "comment_count": 4,
      "views": 0,
      "votes": null
    },
    {
      "id": 43057,
      "title": "why user 'K6fja4+jmoZ5xG6BypqX80Uw/XKpMgrEMdG2edFOxnA=' in the train dataset",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 43229,
      "title": "user_logs total_secs field - it is float?",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 43136,
      "title": "Version 2 data",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 42988,
      "title": "missing info for users in train/test",
      "comment_count": 1,
      "views": 0,
      "votes": 2
    },
    {
      "id": 43053,
      "title": "Regarding .7z files",
      "comment_count": 3,
      "views": 0,
      "votes": null
    },
    {
      "id": 43007,
      "title": "Updated data",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 42918,
      "title": "New data set file is not accessible",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 42087,
      "title": "Announcement: New test data will be released",
      "comment_count": 12,
      "views": 0,
      "votes": 8
    },
    {
      "id": 42724,
      "title": "payment_plan_days=0 and plan_list_price=0 in transactions.csv before year 2016 ",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 42744,
      "title": "look for team!",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 41282,
      "title": "Total_secs for some logs are -9.223372e+15",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 42587,
      "title": "Sample submission users with no data",
      "comment_count": 2,
      "views": 0,
      "votes": 1
    },
    {
      "id": 39750,
      "title": "How to submit and how to work with data",
      "comment_count": 9,
      "views": 0,
      "votes": 1
    },
    {
      "id": 41939,
      "title": "0.00000？leak?",
      "comment_count": 11,
      "views": 0,
      "votes": 8
    },
    {
      "id": 41266,
      "title": "why the test loss is much worse than validation loss?",
      "comment_count": 2,
      "views": 0,
      "votes": 3
    },
    {
      "id": 41639,
      "title": "0.00031? Leak? ",
      "comment_count": 10,
      "views": 0,
      "votes": 15
    },
    {
      "id": 42148,
      "title": "Definition of columns in the log file",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 40067,
      "title": "How do I predict churning out with class imbalance using survival analysis?",
      "comment_count": 11,
      "views": 0,
      "votes": 8
    },
    {
      "id": 41587,
      "title": "Some questions about data",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 41833,
      "title": "KKBOX scam?",
      "comment_count": 0,
      "views": 0,
      "votes": -1
    },
    {
      "id": 41814,
      "title": "Data structure for transactions",
      "comment_count": 0,
      "views": 0,
      "votes": 1
    },
    {
      "id": 41703,
      "title": "Download submission produced from kaggle notebook",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 41614,
      "title": "Is uV7rJjHPrpNssDMmY2OnfJnib8BUqeyvUxrIQnbRwek= churn or not ?",
      "comment_count": 5,
      "views": 0,
      "votes": null
    },
    {
      "id": 41474,
      "title": "Gender Column",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 41350,
      "title": "Weird  member_expiration_date in transaction file",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 41258,
      "title": "does anyone try lstm to model the user behavior ?",
      "comment_count": 7,
      "views": 0,
      "votes": 3
    },
    {
      "id": 41563,
      "title": "How to explain",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 41459,
      "title": "Outrageous outliers in bd column of members.csv",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 41512,
      "title": "MSNO rxIP2f2aN0rYNp+toI0Obt/N/FYQX8hcO1fTmmy2h34= is not in train.csv",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 39937,
      "title": "Can we use the expiration date in the members.csv? Is it future information?",
      "comment_count": 5,
      "views": 0,
      "votes": 3
    },
    {
      "id": 40142,
      "title": "Please open training data generation scripts to make this competition fair",
      "comment_count": 2,
      "views": 0,
      "votes": 33
    },
    {
      "id": 41305,
      "title": "some code to split the user_logs.csv without lots of ram",
      "comment_count": 0,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40678,
      "title": "confused by the payment_plan_days=0 in transactions.csv",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 41220,
      "title": "Regarding missing gender data",
      "comment_count": 0,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40988,
      "title": "User_logs",
      "comment_count": 3,
      "views": 0,
      "votes": null
    },
    {
      "id": 41197,
      "title": "About cancels a subscription",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 40889,
      "title": "This is the dirtiest data I've ever seen",
      "comment_count": 0,
      "views": 0,
      "votes": 10
    },
    {
      "id": 41158,
      "title": "A important problem",
      "comment_count": 0,
      "views": 0,
      "votes": 0
    },
    {
      "id": 41099,
      "title": "complete joins between train, test & other data?",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 41009,
      "title": "How should we interpret the transaction data for oXGht8e/OmBZEsjJktKJ8eue/H2aItf4Lj/S877x7bs=?",
      "comment_count": 0,
      "views": 0,
      "votes": 3
    },
    {
      "id": 41005,
      "title": "When multiple transactions for the same user have the same transaction date, which takes precedence?",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 40832,
      "title": "why some user's membership_expire_date is earlier than transaction_date when he cancel the subscribe?",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 40890,
      "title": "About the split of test data on Leaderboard",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 40316,
      "title": "How is this a churn?",
      "comment_count": 9,
      "views": 0,
      "votes": 6
    },
    {
      "id": 40613,
      "title": "Approach on churn prediction",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 40761,
      "title": "Is this wrongly tagged as churn?",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 39756,
      "title": "`transactions` dataset hard to reason",
      "comment_count": 25,
      "views": 0,
      "votes": 10
    },
    {
      "id": 39935,
      "title": "Understanding transactions dataset",
      "comment_count": 2,
      "views": 0,
      "votes": 2
    },
    {
      "id": 40476,
      "title": "Log-Loss Evaluation Metric",
      "comment_count": 0,
      "views": 0,
      "votes": 3
    },
    {
      "id": 40189,
      "title": "Definition of data out of scope confusing",
      "comment_count": 7,
      "views": 0,
      "votes": 2
    },
    {
      "id": 40462,
      "title": "What are the different approaches to predict churn-out in future on a particular day?",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 39803,
      "title": "expiration date confusion",
      "comment_count": 5,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40418,
      "title": "Doubts in transactions log",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 40258,
      "title": "tensorflow (LSTM/GRU, or maybe QRNN) partner wanted!",
      "comment_count": 4,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40236,
      "title": "membership_expire_date on 1970",
      "comment_count": 0,
      "views": 0,
      "votes": 4
    },
    {
      "id": 40219,
      "title": "why is entry not in train.csv",
      "comment_count": 0,
      "views": 0,
      "votes": 4
    },
    {
      "id": 40151,
      "title": "Unable to Edit Script in WSDM",
      "comment_count": 8,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40155,
      "title": "Questions regarding travel grants to 2018 WSDM",
      "comment_count": 0,
      "views": 0,
      "votes": 2
    },
    {
      "id": 39962,
      "title": "Understanding the Data and Your Opinion",
      "comment_count": 4,
      "views": 0,
      "votes": 7
    },
    {
      "id": 39945,
      "title": "User Logs Dataset",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40065,
      "title": "How to Regenerate the \"train.csv\" file？",
      "comment_count": 4,
      "views": 0,
      "votes": null
    },
    {
      "id": 40060,
      "title": "Clarification on userLog date value",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 40018,
      "title": "Why user does not fall in the scope of prediction",
      "comment_count": 1,
      "views": 0,
      "votes": 1
    },
    {
      "id": 40049,
      "title": "whether Jack is churn?",
      "comment_count": 1,
      "views": 0,
      "votes": null
    },
    {
      "id": 40039,
      "title": "Can we see  future data ?",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 39913,
      "title": "Please explain \"user does not falls in our scope of prediction\"",
      "comment_count": 6,
      "views": 0,
      "votes": 1
    },
    {
      "id": 39985,
      "title": "Looking for KKBox Churn Partner! ",
      "comment_count": 5,
      "views": 0,
      "votes": null
    },
    {
      "id": 39919,
      "title": "Welcome partner",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 39880,
      "title": "Users from train data appear in test data?",
      "comment_count": 3,
      "views": 0,
      "votes": 2
    },
    {
      "id": 39858,
      "title": "Try using Spark !",
      "comment_count": 4,
      "views": 0,
      "votes": 1
    },
    {
      "id": 39747,
      "title": "Why \"No Ranking points\"?",
      "comment_count": 7,
      "views": 0,
      "votes": 17
    },
    {
      "id": 39699,
      "title": "Searching  for friendly partner",
      "comment_count": 12,
      "views": 0,
      "votes": 1
    },
    {
      "id": 39838,
      "title": "How can i process so big dataset?",
      "comment_count": 1,
      "views": 0,
      "votes": 2
    },
    {
      "id": 39696,
      "title": "Test dataset?",
      "comment_count": 2,
      "views": 0,
      "votes": 4
    },
    {
      "id": 39839,
      "title": "Submission file is too big :(",
      "comment_count": 2,
      "views": 0,
      "votes": null
    },
    {
      "id": 39754,
      "title": "Where is the kkbox-music-recommendation-algorithm-challenge?",
      "comment_count": 2,
      "views": 0,
      "votes": null
    }
  ],
  "errors": []
}