{
  "head": {
    "vars": [ "subj" ]
  } ,
  "results": {
    "distinct": false ,
    "ordered": false ,
    "bindings": [
      {
        "subj": { "type": "uri" , "value": "http://example/doc1" }
      } ,
      {
        "subj": { "type": "uri" , "value": "http://example/doc2" }
      }
    ]
  }
}