{
  "id": 583640,
  "title": "User/Hotels ID match between train and test datasets ",
  "url": "/competitions/expedia-personalized-sort/discussion/583640",
  "author_name": "Michele Cucinella",
  "post_date": "2025-06-08T10:12:46.172000",
  "votes": 0,
  "comment_count": 0,
  "views": 0,
  "content": "<p>I'm a student from University of Bologna working on his master thesis and I would like to ask you something regarding the dataset:<br>\nare the specific ID of consumers and ID of hotels in the two datasets (train and test) referred to the same observations? (for example, if searcher on the test dataset with ID = 26  is Mario then the searcher on the train dataset with ID = 26 is stil Mario? The same for the hotel ID: if in the train dataset the hotel with ID = 51 is the hotel \"Margherita\" in Dallas, will it be the same hotel with ID = 51 in the test dataset?)<br>\nI would be really thankful if you can provide me this information </p>",
  "messages": [
    {
      "id": 3219793,
      "postDate": "2025-06-08T10:12:46.173Z",
      "content": "<p>I'm a student from University of Bologna working on his master thesis and I would like to ask you something regarding the dataset:<br>\nare the specific ID of consumers and ID of hotels in the two datasets (train and test) referred to the same observations? (for example, if searcher on the test dataset with ID = 26  is Mario then the searcher on the train dataset with ID = 26 is stil Mario? The same for the hotel ID: if in the train dataset the hotel with ID = 51 is the hotel \"Margherita\" in Dallas, will it be the same hotel with ID = 51 in the test dataset?)<br>\nI would be really thankful if you can provide me this information </p>",
      "rawMarkdown": "I'm a student from University of Bologna working on his master thesis and I would like to ask you something regarding the dataset:\nare the specific ID of consumers and ID of hotels in the two datasets (train and test) referred to the same observations? (for example, if searcher on the test dataset with ID = 26  is Mario then the searcher on the train dataset with ID = 26 is stil Mario? The same for the hotel ID: if in the train dataset the hotel with ID = 51 is the hotel \"Margherita\" in Dallas, will it be the same hotel with ID = 51 in the test dataset?)\nI would be really thankful if you can provide me this information "
    }
  ],
  "comments": [],
  "raw_markdown_by_id": {
    "3219793": "I'm a student from University of Bologna working on his master thesis and I would like to ask you something regarding the dataset:\nare the specific ID of consumers and ID of hotels in the two datasets (train and test) referred to the same observations? (for example, if searcher on the test dataset with ID = 26  is Mario then the searcher on the train dataset with ID = 26 is stil Mario? The same for the hotel ID: if in the train dataset the hotel with ID = 51 is the hotel \"Margherita\" in Dallas, will it be the same hotel with ID = 51 in the test dataset?)\nI would be really thankful if you can provide me this information "
  }
}