{
  "id": 178260,
  "title": "A question to organizers",
  "url": "/competitions/landmark-recognition-2020/discussion/178260",
  "author_name": "",
  "post_date": "2020-08-29T09:05:32.523221700Z",
  "votes": 2,
  "comment_count": 1,
  "views": 0,
  "content": "<p>Dear competition hosts, I have one question on the images query set:</p>\n<p>From the original <a href=\"https://arxiv.org/pdf/2004.01804.pdf\" target=\"_blank\">paper</a>:</p>\n<p><code>For collecting the “positive” query set, we selected a subset of the landmarks we collected from Wikimedia Commons and asked crowdsourcing operators to take photos of them.</code></p>\n<p>Does that mean that in the query set every landmark has exactly 1 image, or that every landmark can have multiple images? </p>\n<p>If the latter is the case, is the distribution of images among landmarks proportional to their frequency in the train set?</p>",
  "messages": [
    {
      "id": "989998",
      "postDate": "08/29/2020 09:05:32",
      "content": "<p>Dear competition hosts, I have one question on the images query set:</p>\n<p>From the original <a href=\"https://arxiv.org/pdf/2004.01804.pdf\" target=\"_blank\">paper</a>:</p>\n<p><code>For collecting the “positive” query set, we selected a subset of the landmarks we collected from Wikimedia Commons and asked crowdsourcing operators to take photos of them.</code></p>\n<p>Does that mean that in the query set every landmark has exactly 1 image, or that every landmark can have multiple images? </p>\n<p>If the latter is the case, is the distribution of images among landmarks proportional to their frequency in the train set?</p>",
      "rawMarkdown": "Dear competition hosts, I have one question on the images query set:\n\nFrom the original [paper](https://arxiv.org/pdf/2004.01804.pdf):\n\n`For collecting the “positive” query set, we selected a subset of the landmarks we collected from Wikimedia Commons and asked crowdsourcing operators to take photos of them.`\n\nDoes that mean that in the query set every landmark has exactly 1 image, or that every landmark can have multiple images? \n\nIf the latter is the case, is the distribution of images among landmarks proportional to their frequency in the train set?",
      "votes": null
    },
    {
      "id": "993029",
      "postDate": "08/31/2020 15:48:06",
      "content": "<p>There can be multiple images of the same landmark in the query set, but their distribution isn't necessarily the same as in the training set.</p>",
      "rawMarkdown": "There can be multiple images of the same landmark in the query set, but their distribution isn't necessarily the same as in the training set.",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 993029,
      "author_name": "tobwey",
      "author_url": "",
      "post_date": "08/31/2020 15:48:06",
      "content": "<p>There can be multiple images of the same landmark in the query set, but their distribution isn't necessarily the same as in the training set.</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "989998": "Dear competition hosts, I have one question on the images query set:\n\nFrom the original [paper](https://arxiv.org/pdf/2004.01804.pdf):\n\n`For collecting the “positive” query set, we selected a subset of the landmarks we collected from Wikimedia Commons and asked crowdsourcing operators to take photos of them.`\n\nDoes that mean that in the query set every landmark has exactly 1 image, or that every landmark can have multiple images? \n\nIf the latter is the case, is the distribution of images among landmarks proportional to their frequency in the train set?",
    "993029": "There can be multiple images of the same landmark in the query set, but their distribution isn't necessarily the same as in the training set."
  },
  "source": "meta"
}