{
  "context": [
    {
      "type": "contextDef",
      "subType": "prefix",
      "key": "dc",
      "value": {
        "type": "term",
        "subType": "namedNode",
        "value": "http://purl.org/dc/elements/1.1/",
        "loc": {
          "sourceLocationType": "source",
          "start": 11,
          "end": 45
        }
      },
      "loc": {
        "sourceLocationType": "source",
        "start": 0,
        "end": 45
      }
    }
  ],
  "subType": "select",
  "where": {
    "type": "pattern",
    "subType": "group",
    "patterns": [
      {
        "type": "pattern",
        "subType": "bgp",
        "triples": [
          {
            "type": "triple",
            "subject": {
              "type": "term",
              "subType": "variable",
              "value": "x",
              "loc": {
                "sourceLocationType": "source",
                "start": 69,
                "end": 71
              }
            },
            "predicate": {
              "type": "term",
              "subType": "namedNode",
              "value": "title",
              "loc": {
                "sourceLocationType": "source",
                "start": 72,
                "end": 80
              },
              "prefix": "dc"
            },
            "object": {
              "type": "term",
              "subType": "variable",
              "value": "title",
              "loc": {
                "sourceLocationType": "source",
                "start": 82,
                "end": 88
              }
            },
            "loc": {
              "sourceLocationType": "source",
              "start": 69,
              "end": 88
            }
          }
        ],
        "loc": {
          "sourceLocationType": "source",
          "start": 69,
          "end": 90
        }
      },
      {
        "type": "pattern",
        "subType": "filter",
        "expression": {
          "type": "expression",
          "subType": "operation",
          "operator": "langmatches",
          "args": [
            {
              "type": "expression",
              "subType": "operation",
              "operator": "lang",
              "args": [
                {
                  "type": "term",
                  "subType": "variable",
                  "value": "title",
                  "loc": {
                    "sourceLocationType": "source",
                    "start": 125,
                    "end": 131
                  }
                }
              ],
              "loc": {
                "sourceLocationType": "source",
                "start": 120,
                "end": 132
              }
            },
            {
              "type": "term",
              "subType": "literal",
              "value": "*",
              "loc": {
                "sourceLocationType": "source",
                "start": 134,
                "end": 137
              }
            }
          ],
          "loc": {
            "sourceLocationType": "source",
            "start": 107,
            "end": 139
          }
        },
        "loc": {
          "sourceLocationType": "source",
          "start": 100,
          "end": 139
        }
      }
    ],
    "loc": {
      "sourceLocationType": "source",
      "start": 67,
      "end": 141
    }
  },
  "solutionModifiers": {},
  "datasets": {
    "type": "datasetClauses",
    "clauses": [],
    "loc": {
      "sourceLocationType": "noMaterialize"
    }
  },
  "variables": [
    {
      "type": "term",
      "subType": "variable",
      "value": "title",
      "loc": {
        "sourceLocationType": "source",
        "start": 53,
        "end": 59
      }
    }
  ],
  "loc": {
    "sourceLocationType": "inlinedSource",
    "newSource": "PREFIX dc: <http://purl.org/dc/elements/1.1/>\nSELECT ?title\n WHERE { ?x dc:title  ?title .\n         FILTER langMatches( lang(?title), \"*\" ) }\n",
    "start": 0,
    "end": 9007199254740991,
    "loc": {
      "sourceLocationType": "source",
      "start": 0,
      "end": 141
    },
    "startOnNew": 0,
    "endOnNew": 141
  },
  "type": "query"
}