{
  "type": "project",
  "input": {
    "type": "orderby",
    "input": {
      "type": "extend",
      "input": {
        "type": "filter",
        "input": {
          "type": "group",
          "input": {
            "type": "bgp",
            "patterns": [
              {
                "type": "pattern",
                "termType": "Quad",
                "subject": {
                  "termType": "Variable",
                  "value": "s"
                },
                "predicate": {
                  "termType": "NamedNode",
                  "value": "http://example.org/value"
                },
                "object": {
                  "termType": "Variable",
                  "value": "o"
                },
                "graph": {
                  "termType": "DefaultGraph",
                  "value": ""
                }
              }
            ]
          },
          "variables": [
            {
              "termType": "Variable",
              "value": "s"
            }
          ],
          "aggregates": [
            {
              "type": "expression",
              "subType": "named",
              "name": {
                "termType": "NamedNode",
                "value": "http://example.org/median"
              },
              "args": [
                {
                  "type": "expression",
                  "subType": "term",
                  "term": {
                    "termType": "Variable",
                    "value": "o"
                  }
                }
              ],
              "aggregate": true,
              "distinct": true,
              "variable": {
                "termType": "Variable",
                "value": "var0"
              }
            },
            {
              "type": "expression",
              "subType": "named",
              "name": {
                "termType": "NamedNode",
                "value": "http://example.org/median"
              },
              "args": [
                {
                  "type": "expression",
                  "subType": "term",
                  "term": {
                    "termType": "Variable",
                    "value": "o"
                  }
                }
              ],
              "aggregate": true,
              "distinct": false,
              "variable": {
                "termType": "Variable",
                "value": "var1"
              }
            }
          ]
        },
        "expression": {
          "type": "expression",
          "subType": "operator",
          "operator": ">",
          "args": [
            {
              "type": "expression",
              "subType": "term",
              "term": {
                "termType": "Variable",
                "value": "var0"
              }
            },
            {
              "type": "expression",
              "subType": "term",
              "term": {
                "termType": "Literal",
                "value": "1",
                "datatype": {
                  "termType": "NamedNode",
                  "value": "http://www.w3.org/2001/XMLSchema#integer"
                }
              }
            }
          ]
        }
      },
      "variable": {
        "termType": "Variable",
        "value": "median"
      },
      "expression": {
        "type": "expression",
        "subType": "term",
        "term": {
          "termType": "Variable",
          "value": "var0"
        }
      }
    },
    "expressions": [
      {
        "type": "expression",
        "subType": "term",
        "term": {
          "termType": "Variable",
          "value": "var1"
        }
      }
    ]
  },
  "variables": [
    {
      "termType": "Variable",
      "value": "s"
    },
    {
      "termType": "Variable",
      "value": "median"
    }
  ]
}