{
  "context": [
    {
      "type": "contextDef",
      "subType": "prefix",
      "key": "foaf",
      "value": {
        "type": "term",
        "subType": "namedNode",
        "value": "http://xmlns.com/foaf/0.1/",
        "loc": {
          "sourceLocationType": "source",
          "start": 15,
          "end": 43
        }
      },
      "loc": {
        "sourceLocationType": "source",
        "start": 0,
        "end": 43
      }
    }
  ],
  "subType": "select",
  "where": {
    "type": "pattern",
    "subType": "group",
    "patterns": [
      {
        "type": "pattern",
        "subType": "bgp",
        "triples": [
          {
            "type": "triple",
            "subject": {
              "type": "term",
              "subType": "variable",
              "value": "s",
              "loc": {
                "sourceLocationType": "source",
                "start": 61,
                "end": 63
              }
            },
            "predicate": {
              "type": "term",
              "subType": "namedNode",
              "value": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
              "loc": {
                "sourceLocationType": "source",
                "start": 64,
                "end": 65
              }
            },
            "object": {
              "type": "term",
              "subType": "namedNode",
              "value": "Person",
              "loc": {
                "sourceLocationType": "source",
                "start": 66,
                "end": 77
              },
              "prefix": "foaf"
            },
            "loc": {
              "sourceLocationType": "source",
              "start": 61,
              "end": 77
            }
          }
        ],
        "loc": {
          "sourceLocationType": "source",
          "start": 61,
          "end": 77
        }
      },
      {
        "type": "pattern",
        "subType": "service",
        "silent": false,
        "name": {
          "type": "term",
          "subType": "namedNode",
          "value": "http://example.org/sparql",
          "loc": {
            "sourceLocationType": "source",
            "start": 88,
            "end": 115
          }
        },
        "patterns": [
          {
            "type": "pattern",
            "subType": "bgp",
            "triples": [
              {
                "type": "triple",
                "subject": {
                  "type": "term",
                  "subType": "variable",
                  "value": "s",
                  "loc": {
                    "sourceLocationType": "source",
                    "start": 117,
                    "end": 119
                  }
                },
                "predicate": {
                  "type": "term",
                  "subType": "namedNode",
                  "value": "knows",
                  "loc": {
                    "sourceLocationType": "source",
                    "start": 120,
                    "end": 130
                  },
                  "prefix": "foaf"
                },
                "object": {
                  "type": "term",
                  "subType": "variable",
                  "value": "o",
                  "loc": {
                    "sourceLocationType": "source",
                    "start": 131,
                    "end": 133
                  }
                },
                "loc": {
                  "sourceLocationType": "source",
                  "start": 117,
                  "end": 133
                }
              }
            ],
            "loc": {
              "sourceLocationType": "source",
              "start": 117,
              "end": 133
            }
          }
        ],
        "loc": {
          "sourceLocationType": "source",
          "start": 80,
          "end": 135
        }
      }
    ],
    "loc": {
      "sourceLocationType": "source",
      "start": 57,
      "end": 137
    }
  },
  "solutionModifiers": {},
  "datasets": {
    "type": "datasetClauses",
    "clauses": [],
    "loc": {
      "sourceLocationType": "noMaterialize"
    }
  },
  "variables": [
    {
      "type": "term",
      "subType": "variable",
      "value": "s",
      "loc": {
        "sourceLocationType": "source",
        "start": 51,
        "end": 53
      }
    },
    {
      "type": "term",
      "subType": "variable",
      "value": "o",
      "loc": {
        "sourceLocationType": "source",
        "start": 54,
        "end": 56
      }
    }
  ],
  "loc": {
    "sourceLocationType": "inlinedSource",
    "newSource": "PREFIX foaf:   <http://xmlns.com/foaf/0.1/>\nSELECT ?s ?o\n{\n  ?s a foaf:Person\n  SERVICE <http://example.org/sparql> {?s foaf:knows ?o }\n}\n",
    "start": 0,
    "end": 9007199254740991,
    "loc": {
      "sourceLocationType": "source",
      "start": 0,
      "end": 137
    },
    "startOnNew": 0,
    "endOnNew": 137
  },
  "type": "query"
}