callback({
  "database_resource_url": "http://wedata.net/databases/RerankEverything",
  "created_at": "2009-11-09T23:30:01+09:00",
  "name": "Google Videos",
  "data": {
    "path": "//div[contains(concat(\" \",@class,\" \"),\" rl-item \")]",
    "name": "Google Videos",
    "url": "^http://video\\.google\\.[^./]{2,3}(?:\\.[^./]{2,3})?/videosearch"
  },
  "updated_at": "2009-11-11T04:45:35+09:00",
  "created_by": "tyamamot",
  "resource_url": "http://wedata.net/items/30404"
})