{
  "select": {
    "prefix": {
      "foaf": "http://xmlns.com/foaf/0.1/",
      "dc": "http://purl.org/dc/terms/",
      "sioc": "http://rdfs.org/sioc/ns#"
    },
    "from": "http://www.youtube.com/results?search_query=semantic+web",
    "where": {
      ".video-entry": {
        "label": "sioc:Post",
        "about": false,
        "where": {
          ".video-title": {
            "label": "dc:title"
          },
          "src~=default": {
            "label": "foaf:img",
            "type": "uri"
          },
          ".video-description": {
            "label": "sioc:content"
          },
          "rel~=nofollow": {
            "label": "sioc:link",
            "type": "uriplain"
          },
          ".video-username": {
            "rev": "sioc:has_creator",
            "label": "sioc:UserAccount",
            "about": false,
            "where": {
              "#video-from-username": {
                "label": "foaf:name"
              },
              "href~=user": {
                "label": "foaf:page",
                "type": "uri"
              }
            }
          }
        }
      }
    }
  }
}