{
  "id": 608179,
  "title": "Question about external dataset restrictions",
  "url": "/competitions/rsna-intracranial-aneurysm-detection/discussion/608179",
  "author_name": "Shuolin Liu",
  "post_date": "2025-09-18T07:29:19.887000",
  "votes": 15,
  "comment_count": 6,
  "views": 0,
  "content": "<p>Hi all,</p>\n<p>I'm looking into potential external data sources for this competition and came across some publicly shared datasets that are widely used in academic research, such as:</p>\n<p><strong>Large Intracranial Aneurysm Dataset</strong>: <a href=\"https://zenodo.org/records/6801398\" target=\"_blank\">https://zenodo.org/records/6801398</a><br>\n(Open access via Zenodo, but requires  <strong>filling out a request form and email approval</strong>)</p>\n<p><strong>ADAM 2020 Challenge Data</strong>: <a href=\"https://adam.isi.uu.nl/data/manual-reference-standard/\" target=\"_blank\">https://adam.isi.uu.nl/data/manual-reference-standard/</a><br>\n(Requires filling out a request form and email approval)</p>\n<p>These datasets are publicly available not freely downloadable without agreeing to terms or receiving permission from the authors. My question is: Are such datasets allowed under the kaggle competition's external data policy?</p>\n<p>Thanks in advance for any clarification from the organizers or experienced participants!</p>",
  "messages": [
    {
      "id": 3290658,
      "postDate": "2025-09-18T07:29:19.887Z",
      "content": "<p>Hi all,</p>\n<p>I'm looking into potential external data sources for this competition and came across some publicly shared datasets that are widely used in academic research, such as:</p>\n<p><strong>Large Intracranial Aneurysm Dataset</strong>: <a href=\"https://zenodo.org/records/6801398\" target=\"_blank\">https://zenodo.org/records/6801398</a><br>\n(Open access via Zenodo, but requires  <strong>filling out a request form and email approval</strong>)</p>\n<p><strong>ADAM 2020 Challenge Data</strong>: <a href=\"https://adam.isi.uu.nl/data/manual-reference-standard/\" target=\"_blank\">https://adam.isi.uu.nl/data/manual-reference-standard/</a><br>\n(Requires filling out a request form and email approval)</p>\n<p>These datasets are publicly available not freely downloadable without agreeing to terms or receiving permission from the authors. My question is: Are such datasets allowed under the kaggle competition's external data policy?</p>\n<p>Thanks in advance for any clarification from the organizers or experienced participants!</p>",
      "rawMarkdown": "Hi all,\n\nI'm looking into potential external data sources for this competition and came across some publicly shared datasets that are widely used in academic research, such as:\n\n**Large Intracranial Aneurysm Dataset**: https://zenodo.org/records/6801398\n(Open access via Zenodo, but requires  **filling out a request form and email approval**)\n\n**ADAM 2020 Challenge Data**: https://adam.isi.uu.nl/data/manual-reference-standard/\n(Requires filling out a request form and email approval)\n\nThese datasets are publicly available not freely downloadable without agreeing to terms or receiving permission from the authors. My question is: Are such datasets allowed under the kaggle competition's external data policy?\n\nThanks in advance for any clarification from the organizers or experienced participants!",
      "votes": 15
    },
    {
      "id": 3291113,
      "postDate": "2025-09-19T02:49:33.720Z",
      "content": "<p>It’s best to be cautious with external datasets until they are validated by the host or Kaggle</p>",
      "rawMarkdown": "It’s best to be cautious with external datasets until they are validated by the host or Kaggle",
      "votes": 3
    },
    {
      "id": 3291451,
      "postDate": "2025-09-19T17:33:58.930Z",
      "content": "<p>It would be nice to have a clarification on this by the hosts. Following i want to explain my reasoning: </p>\n<p>The competition states \"Freely &amp; publicly available external data is allowed, including pre-trained models\" </p>\n<p>For instance the \"Large Intracranial Aneurysm Dataset\" linked above states \"The record is publicly accessible, but files are restricted to users with access.\" so it is publicly accessible and free. Furthermore the \"Rules\" Section of this competition states: </p>\n<p>\" You may use data other than the Competition Data (“External Data”) to develop and test your Submissions. However, you will ensure the External Data is either publicly available and equally accessible to use by all Participants of the Competition for purposes of the competition at no cost to the other Participants, or satisfies the Reasonableness criteria as outlined in Section 2.6.b below. \" </p>\n<p>Filling out a data request form for medical data is a standard procedure and is a reasonable effort that does not cost anything, making it equally accessible to all participants. </p>",
      "rawMarkdown": "It would be nice to have a clarification on this by the hosts. Following i want to explain my reasoning: \n\nThe competition states \"Freely & publicly available external data is allowed, including pre-trained models\" \n\nFor instance the \"Large Intracranial Aneurysm Dataset\" linked above states \"The record is publicly accessible, but files are restricted to users with access.\" so it is publicly accessible and free. Furthermore the \"Rules\" Section of this competition states: \n\n\" You may use data other than the Competition Data (“External Data”) to develop and test your Submissions. However, you will ensure the External Data is either publicly available and equally accessible to use by all Participants of the Competition for purposes of the competition at no cost to the other Participants, or satisfies the Reasonableness criteria as outlined in Section 2.6.b below. \" \n\nFilling out a data request form for medical data is a standard procedure and is a reasonable effort that does not cost anything, making it equally accessible to all participants. ",
      "votes": 1,
      "replies": [
        {
          "id": 3292849,
          "postDate": "2025-09-22T16:50:58.427Z",
          "content": "<p>Sorry for the delay in responding to this as it was not entirely clear how easy it is to access these datasets, which took a little more investigation. Unfortunately, we have decided that these do not qualify.</p>\n<p>The large Intracranial Aneurysm Dataset Requires you to provide your institution/organization/PI, which not all Kaggle participant will fit this criteria. My request for this data without this criteria was rejected. <br>\nThe ADAM challenge confidentiality agreement explicitly states \"The data provided may only be used for preparing an entry to be submitted to this challenge. The data may not be used for other purposes in scientific studies…\"</p>",
          "rawMarkdown": "Sorry for the delay in responding to this as it was not entirely clear how easy it is to access these datasets, which took a little more investigation. Unfortunately, we have decided that these do not qualify.\n\nThe large Intracranial Aneurysm Dataset Requires you to provide your institution/organization/PI, which not all Kaggle participant will fit this criteria. My request for this data without this criteria was rejected. \nThe ADAM challenge confidentiality agreement explicitly states \"The data provided may only be used for preparing an entry to be submitted to this challenge. The data may not be used for other purposes in scientific studies...\"",
          "votes": 8,
          "replies": [
            {
              "id": 3293392,
              "postDate": "2025-09-23T17:38:57.963Z",
              "content": "<p>Thank you for the clarification and for the organization. That is a valid reason to exclude the dataset, I agree. </p>\n<p>I would appreciate if you could clarify the use of following 2 datasets.These could be useful for all participants and are \"directly\" downloadable/dont require any further access requests as far as I can see: </p>\n<p>Lausanne_TOF-MRA_Aneurysm_Cohort<br>\n<a href=\"url\" target=\"_blank\">https://openneuro.org/datasets/ds003949/versions/1.0.1</a></p>\n<p>Royal Brisbane_TOFMRA_Intracranial Aneurysm_Database<br>\n<a href=\"url\" target=\"_blank\">https://openneuro.org/datasets/ds005096/versions/1.0.3</a></p>\n<p>Looking forward to your response, thanks again!</p>",
              "rawMarkdown": "Thank you for the clarification and for the organization. That is a valid reason to exclude the dataset, I agree. \n\nI would appreciate if you could clarify the use of following 2 datasets.These could be useful for all participants and are \"directly\" downloadable/dont require any further access requests as far as I can see: \n\nLausanne_TOF-MRA_Aneurysm_Cohort\n[https://openneuro.org/datasets/ds003949/versions/1.0.1](url)\n\nRoyal Brisbane_TOFMRA_Intracranial Aneurysm_Database\n[https://openneuro.org/datasets/ds005096/versions/1.0.3](url)\n\nLooking forward to your response, thanks again!",
              "votes": 3
            },
            {
              "id": 3293504,
              "postDate": "2025-09-24T03:02:25.773Z",
              "content": "<p>The data are licensed under CC0, so I believe they can undoubtedly be used, even for commercial purposes. Thank you for sharing—they look very useful.</p>",
              "rawMarkdown": "The data are licensed under CC0, so I believe they can undoubtedly be used, even for commercial purposes. Thank you for sharing—they look very useful.",
              "votes": 1
            },
            {
              "id": 3293769,
              "postDate": "2025-09-24T15:36:54.787Z",
              "content": "<p>Yes, I can confirm that these datasets are full open to all Kaggle participants without any restrictions and can be used for this challenge. </p>",
              "rawMarkdown": "Yes, I can confirm that these datasets are full open to all Kaggle participants without any restrictions and can be used for this challenge. ",
              "votes": 3
            }
          ]
        }
      ]
    }
  ],
  "comments": [
    {
      "id": 3291113,
      "author_name": "HoangHuyen",
      "author_url": "",
      "post_date": "2025-09-19T02:49:33.720000",
      "content": "<p>It’s best to be cautious with external datasets until they are validated by the host or Kaggle</p>",
      "votes": 3,
      "replies": []
    },
    {
      "id": 3291451,
      "author_name": "OUA",
      "author_url": "",
      "post_date": "2025-09-19T17:33:58.930000",
      "content": "<p>It would be nice to have a clarification on this by the hosts. Following i want to explain my reasoning: </p>\n<p>The competition states \"Freely &amp; publicly available external data is allowed, including pre-trained models\" </p>\n<p>For instance the \"Large Intracranial Aneurysm Dataset\" linked above states \"The record is publicly accessible, but files are restricted to users with access.\" so it is publicly accessible and free. Furthermore the \"Rules\" Section of this competition states: </p>\n<p>\" You may use data other than the Competition Data (“External Data”) to develop and test your Submissions. However, you will ensure the External Data is either publicly available and equally accessible to use by all Participants of the Competition for purposes of the competition at no cost to the other Participants, or satisfies the Reasonableness criteria as outlined in Section 2.6.b below. \" </p>\n<p>Filling out a data request form for medical data is a standard procedure and is a reasonable effort that does not cost anything, making it equally accessible to all participants. </p>",
      "votes": 1,
      "replies": [
        {
          "id": 3292849,
          "author_name": "JeffRudie",
          "author_url": "",
          "post_date": "2025-09-22T16:50:58.427000",
          "content": "<p>Sorry for the delay in responding to this as it was not entirely clear how easy it is to access these datasets, which took a little more investigation. Unfortunately, we have decided that these do not qualify.</p>\n<p>The large Intracranial Aneurysm Dataset Requires you to provide your institution/organization/PI, which not all Kaggle participant will fit this criteria. My request for this data without this criteria was rejected. <br>\nThe ADAM challenge confidentiality agreement explicitly states \"The data provided may only be used for preparing an entry to be submitted to this challenge. The data may not be used for other purposes in scientific studies…\"</p>",
          "votes": 8,
          "replies": [
            {
              "id": 3293392,
              "author_name": "OUA",
              "author_url": "",
              "post_date": "2025-09-23T17:38:57.963000",
              "content": "<p>Thank you for the clarification and for the organization. That is a valid reason to exclude the dataset, I agree. </p>\n<p>I would appreciate if you could clarify the use of following 2 datasets.These could be useful for all participants and are \"directly\" downloadable/dont require any further access requests as far as I can see: </p>\n<p>Lausanne_TOF-MRA_Aneurysm_Cohort<br>\n<a href=\"url\" target=\"_blank\">https://openneuro.org/datasets/ds003949/versions/1.0.1</a></p>\n<p>Royal Brisbane_TOFMRA_Intracranial Aneurysm_Database<br>\n<a href=\"url\" target=\"_blank\">https://openneuro.org/datasets/ds005096/versions/1.0.3</a></p>\n<p>Looking forward to your response, thanks again!</p>",
              "votes": 3,
              "replies": []
            },
            {
              "id": 3293504,
              "author_name": "Shuolin Liu",
              "author_url": "",
              "post_date": "2025-09-24T03:02:25.773000",
              "content": "<p>The data are licensed under CC0, so I believe they can undoubtedly be used, even for commercial purposes. Thank you for sharing—they look very useful.</p>",
              "votes": 1,
              "replies": []
            },
            {
              "id": 3293769,
              "author_name": "JeffRudie",
              "author_url": "",
              "post_date": "2025-09-24T15:36:54.787000",
              "content": "<p>Yes, I can confirm that these datasets are full open to all Kaggle participants without any restrictions and can be used for this challenge. </p>",
              "votes": 3,
              "replies": []
            }
          ]
        }
      ]
    }
  ],
  "raw_markdown_by_id": {
    "3290658": "Hi all,\n\nI'm looking into potential external data sources for this competition and came across some publicly shared datasets that are widely used in academic research, such as:\n\n**Large Intracranial Aneurysm Dataset**: https://zenodo.org/records/6801398\n(Open access via Zenodo, but requires  **filling out a request form and email approval**)\n\n**ADAM 2020 Challenge Data**: https://adam.isi.uu.nl/data/manual-reference-standard/\n(Requires filling out a request form and email approval)\n\nThese datasets are publicly available not freely downloadable without agreeing to terms or receiving permission from the authors. My question is: Are such datasets allowed under the kaggle competition's external data policy?\n\nThanks in advance for any clarification from the organizers or experienced participants!",
    "3291113": "It’s best to be cautious with external datasets until they are validated by the host or Kaggle",
    "3291451": "It would be nice to have a clarification on this by the hosts. Following i want to explain my reasoning: \n\nThe competition states \"Freely & publicly available external data is allowed, including pre-trained models\" \n\nFor instance the \"Large Intracranial Aneurysm Dataset\" linked above states \"The record is publicly accessible, but files are restricted to users with access.\" so it is publicly accessible and free. Furthermore the \"Rules\" Section of this competition states: \n\n\" You may use data other than the Competition Data (“External Data”) to develop and test your Submissions. However, you will ensure the External Data is either publicly available and equally accessible to use by all Participants of the Competition for purposes of the competition at no cost to the other Participants, or satisfies the Reasonableness criteria as outlined in Section 2.6.b below. \" \n\nFilling out a data request form for medical data is a standard procedure and is a reasonable effort that does not cost anything, making it equally accessible to all participants. "
  }
}