{
  "type": "deleteinsert",
  "insert": [
    {
      "type": "pattern",
      "termType": "Quad",
      "subject": {
        "termType": "Variable",
        "value": "class"
      },
      "predicate": {
        "termType": "NamedNode",
        "value": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
      },
      "object": {
        "termType": "NamedNode",
        "value": "http://www.w3.org/2000/01/rdf-schema#Class"
      },
      "graph": {
        "termType": "DefaultGraph",
        "value": ""
      }
    }
  ],
  "where": {
    "type": "bgp",
    "patterns": [
      {
        "type": "pattern",
        "termType": "Quad",
        "subject": {
          "termType": "Variable",
          "value": "g_0"
        },
        "predicate": {
          "termType": "NamedNode",
          "value": "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
        },
        "object": {
          "termType": "Variable",
          "value": "class"
        },
        "graph": {
          "termType": "DefaultGraph",
          "value": ""
        }
      }
    ]
  }
}