{
  "id": 1573,
  "title": "Impression estimate",
  "url": "/competitions/kddcup2012-track2/discussion/1573",
  "author_name": "",
  "post_date": "2012-03-17T22:49:24.327Z",
  "votes": null,
  "comment_count": 1,
  "views": 2211,
  "content": "<p>Hi,</p>\r\n<p>I wonder why we must estimate impression? It is actually result of your search engine advertising algorithm, so now the purpose of the contest is to guess your algorithm.</p>\r\n<p>Best Regards</p>\r\n<p>&nbsp;</p>",
  "messages": [
    {
      "id": "9457",
      "postDate": "03/17/2012 22:49:24",
      "content": "<p>Hi,</p>\r\n<p>I wonder why we must estimate impression? It is actually result of your search engine advertising algorithm, so now the purpose of the contest is to guess your algorithm.</p>\r\n<p>Best Regards</p>\r\n<p>&nbsp;</p>",
      "rawMarkdown": "",
      "votes": null
    },
    {
      "id": "9547",
      "postDate": "03/19/2012 20:46:12",
      "content": "<p>I think you just&nbsp; need to estimat ethe&nbsp; click though rate</p>",
      "rawMarkdown": "",
      "votes": null
    }
  ],
  "comments": [
    {
      "id": 9547,
      "author_name": "weizhezhang",
      "author_url": "",
      "post_date": "03/19/2012 20:46:12",
      "content": "<p>I think you just&nbsp; need to estimat ethe&nbsp; click though rate</p>",
      "votes": null,
      "replies": []
    }
  ],
  "raw_markdown_by_id": {
    "9457": "",
    "9547": ""
  },
  "source": "meta"
}