{
  "context": [
    {
      "type": "contextDef",
      "subType": "base",
      "value": {
        "type": "term",
        "subType": "namedNode",
        "value": "http://example.org/book/",
        "loc": {
          "sourceLocationType": "source",
          "start": 8,
          "end": 34
        }
      },
      "loc": {
        "sourceLocationType": "source",
        "start": 0,
        "end": 34
      }
    },
    {
      "type": "contextDef",
      "subType": "prefix",
      "key": "dc",
      "value": {
        "type": "term",
        "subType": "namedNode",
        "value": "http://purl.org/dc/elements/1.1/",
        "loc": {
          "sourceLocationType": "source",
          "start": 47,
          "end": 81
        }
      },
      "loc": {
        "sourceLocationType": "source",
        "start": 35,
        "end": 81
      }
    }
  ],
  "subType": "select",
  "where": {
    "type": "pattern",
    "subType": "group",
    "patterns": [
      {
        "type": "pattern",
        "subType": "bgp",
        "triples": [
          {
            "type": "triple",
            "subject": {
              "type": "term",
              "subType": "namedNode",
              "value": "book1",
              "loc": {
                "sourceLocationType": "source",
                "start": 108,
                "end": 115
              }
            },
            "predicate": {
              "type": "term",
              "subType": "namedNode",
              "value": "title",
              "loc": {
                "sourceLocationType": "source",
                "start": 117,
                "end": 125
              },
              "prefix": "dc"
            },
            "object": {
              "type": "term",
              "subType": "variable",
              "value": "title",
              "loc": {
                "sourceLocationType": "source",
                "start": 127,
                "end": 133
              }
            },
            "loc": {
              "sourceLocationType": "source",
              "start": 108,
              "end": 133
            }
          }
        ],
        "loc": {
          "sourceLocationType": "source",
          "start": 108,
          "end": 133
        }
      }
    ],
    "loc": {
      "sourceLocationType": "source",
      "start": 106,
      "end": 135
    }
  },
  "solutionModifiers": {},
  "datasets": {
    "type": "datasetClauses",
    "clauses": [],
    "loc": {
      "sourceLocationType": "noMaterialize"
    }
  },
  "variables": [
    {
      "type": "term",
      "subType": "variable",
      "value": "title",
      "loc": {
        "sourceLocationType": "source",
        "start": 91,
        "end": 97
      }
    }
  ],
  "loc": {
    "sourceLocationType": "inlinedSource",
    "newSource": "BASE    <http://example.org/book/>\nPREFIX  dc: <http://purl.org/dc/elements/1.1/>\n\nSELECT  $title\nWHERE   { <book1>  dc:title  ?title }\n",
    "start": 0,
    "end": 9007199254740991,
    "loc": {
      "sourceLocationType": "source",
      "start": 0,
      "end": 135
    },
    "startOnNew": 0,
    "endOnNew": 135
  },
  "type": "query"
}