[
  {
    "op": "core/column-addition",
    "engineConfig": {
      "facets": [
        {
          "type": "list",
          "name": "dc:subject/xsi:type",
          "expression": "value",
          "columnName": "dc:subject/xsi:type",
          "invert": false,
          "omitBlank": false,
          "omitError": false,
          "selection": [
            {
              "v": {
                "v": "xMetaDiss:DDC-SG",
                "l": "xMetaDiss:DDC-SG"
              }
            }
          ],
          "selectBlank": false,
          "selectError": false
        }
      ],
      "mode": "row-based"
    },
    "baseColumnName": "dc:subject",
    "expression": "grel:value",
    "onError": "set-to-blank",
    "newColumnName": "ddc",
    "columnInsertIndex": 2,
    "description": "Create column ddc at index 2 based on column dc:subject using expression grel:value"
  },
  {
    "op": "core/column-addition",
    "engineConfig": {
      "facets": [
        {
          "type": "list",
          "name": "dc:subject/xsi:type",
          "expression": "value",
          "columnName": "dc:subject/xsi:type",
          "invert": false,
          "omitBlank": false,
          "omitError": false,
          "selection": [
            {
              "v": {
                "v": "xMetaDiss:noScheme",
                "l": "xMetaDiss:noScheme"
              }
            },
            {
              "v": {
                "v": "xMetaDiss:SWD",
                "l": "xMetaDiss:SWD"
              }
            }
          ],
          "selectBlank": false,
          "selectError": false
        }
      ],
      "mode": "row-based"
    },
    "baseColumnName": "dc:subject",
    "expression": "grel:value",
    "onError": "set-to-blank",
    "newColumnName": "topic",
    "columnInsertIndex": 2,
    "description": "Create column topic at index 2 based on column dc:subject using expression grel:value"
  }
]